Large-torque ratchet wrench with replaceable sleeve head structure

Abstract

The utility model discloses a large-torque ratchet wrench with a replaceable sleeve head structure, which comprises a ratchet wrench body, the bottom of the ratchet wrench body is fixedly connected with a stabilizing block, and a square head rotatably penetrates through one side of the surface of the ratchet wrench body; one side of the sleeve head assembly is fixedly connected with one side of the surface of the ratchet wrench body, and the sleeve head assembly is used for being fixedly connected with the surface of the ratchet wrench body; the ratchet wrench comprises a ratchet wrench body, one side of the handle assembly is fixedly connected with one side of the surface of the ratchet wrench body, and the handle assembly is used for being held by a worker for operation. According to the large-torque ratchet wrench with the replaceable sleeve head structure, by means of the arrangement of the sleeve head assembly, connection is conducted in the mode that the connecting and inserting plate and the connecting and inserting groove plate are connected, the problem of loose connection is solved, the connecting and inserting plate is directly pushed by the spring, and it can be guaranteed that the connecting and inserting plate and the connecting and inserting groove plate are stably connected all the time.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of ratchet wrench, concretely is big torsion ratchet wrench with replaceable head structure. BACKGROUND

[0002] Ratchet wrench is a common hand tool, which is used for tightening or loosening nuts and bolts.

[0003] The patent with the publication number CN218639503U discloses a ratchet wrench, which comprises a holding unit made of PC material, a driving unit, and an isolation unit made of metal material. The driving unit is installed on at least one head of the holding unit and comprises a ratchet sleeve that can be rotated, and a control knob for limiting the one-way rotation of the ratchet sleeve. The isolation unit is connected to the at least one head, and the length ratio of the holding unit is not greater than 1 / 3. By means of the isolation unit and the holding unit made of PC material, the overall weight is greatly reduced under the demand of strength, the manufacturing process is simplified and the manufacturing cost is reduced, and the environmental protection demand is met.

[0004] The above-mentioned technology shows that the ordinary replaceable head structure of the big torsion ratchet wrench relies on the friction force on the surface of the head structure for connection between the head structure and the main body of the ratchet wrench. This connection is relatively loose, and it is extremely likely to cause disconnection during operation when encountering a large external force, which is not convenient for long-term stable use. UTILITY MODEL CONTENTS

[0005] In view of the deficiencies of the prior art, the utility model provides a big torsion ratchet wrench with replaceable head structure, which solves the problems of loose connection, disconnection caused by a large external force during operation, and inconvenient long-term stable use.

[0006] To achieve the above purpose, the utility model is implemented by the following technical scheme: a big torsion ratchet wrench with replaceable head structure, comprising:

[0007] A ratchet wrench body, a stable block is fixedly connected to the bottom of the ratchet wrench body, and a square head is rotatably penetrated into one side of the surface of the ratchet wrench body;

[0008] A head assembly, one side of the head assembly is fixedly connected to one side of the surface of the ratchet wrench body, and the head assembly is used for fixedly connecting with the surface of the ratchet wrench body;

[0009] A handle assembly, one side of the handle assembly is fixedly connected to one side of the surface of the ratchet wrench body, and the handle assembly is used for being held and operated by a worker.

[0010] Preferably, the sleeve assembly comprises a positioning frame fixedly connected with one side of the surface of the ratchet wrench body, a spring fixedly connected with one side of the inner wall of the positioning frame through a reinforcing block, a sliding plate fixedly connected with one end of the spring, a connector plate fixedly connected with one side of the sliding plate, a manual guard plate fixedly connected with one side of the sliding plate, and anti-skid stripes arranged on the surface of the manual guard plate.

[0011] Preferably, the two sides of the sliding plate are fixedly connected with track groove plates, the inner wall of the track groove plate is movably connected with a limiting rail, and one side of the limiting rail is fixedly connected with one side of the surface of the positioning frame.

[0012] Preferably, a screw sleeve is movably arranged on the surface of the square head, and the screw sleeve is fixedly connected with a connector groove plate on one side.

[0013] Preferably, the handle assembly comprises a stabilizing sleeve fixedly connected with one side of the ratchet wrench body, a threaded column threadedly connected with the inner wall of the stabilizing sleeve, and a handle fixedly connected with the bottom end of the threaded column.

[0014] Preferably, the inner wall of the stabilizing sleeve is fixedly connected with a limiting ring, and the surface of the threaded column is fixedly connected with limiting plates on the two sides.

[0015] The utility model provides a big torsion ratchet wrench with replaceable sleeve structure, which has the following advantages compared with the prior art:

[0016] (1) The big torsion ratchet wrench with replaceable sleeve structure is connected by the connector plate and the connector groove plate in a plug-in fixed mode, which solves the problem of loose connection, the spring directly pushes the connector plate, ensures stable connection between the connector plate and the connector groove plate, and only needs to pull the manual guard plate when disengaging, and the related structure can smoothly and stably slide on the surface of the positioning frame, which is convenient to operate.

[0017] (2) The big torsion ratchet wrench with replaceable sleeve structure is connected by the stabilizing sleeve and the threaded column, can directly rotate to increase the length of the wrench, and can effectively prevent the threaded column from separating from the stabilizing sleeve through the limiting ring and the limiting plate, and the related structure is simple and easy to maintain. BRIEF DESCRIPTION OF DRAWINGS

[0018] Figure 1 It is a three-dimensional schematic view of the utility model;

[0019] Figure 2 It is a three-dimensional schematic view of the utility model Figure 1 It is a partial enlarged view of A in the utility model;

[0020] Figure 3 It is a three-dimensional sectional view of the sleeve assembly structure of the utility model;

[0021] Figure 4 For the utility model Figure 3 The local enlarged view of B in the middle;

[0022] Figure 5 The utility model square head and screw sleeve structure section view;

[0023] Figure 6 The utility model handle assembly structure is the stereoscopic section view.

[0024] In the figure: 1, ratchet wrench body;2, stabilizing block;3, square head;4, sleeve head assembly;41, positioning frame;42, spring;43, sliding plate;44, connector plate;45, manual guard plate;46, track slot plate;47, limiting rail;48, screw sleeve;49, connector slot plate;5, handle assembly;51, stabilizing sleeve;52, threaded column;53, grip;54, limiting ring;55, limiting plate. Specific implementation

[0025] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor belong to the scope of protection of the utility model.

[0026] Please refer to Figures 1-6 The utility model provides two technical schemes:

[0027] Embodiment one, big torque ratchet wrench with replaceable sleeve structure, comprising:

[0028] Ratchet wrench body 1, the bottom of ratchet wrench body 1 is fixedly connected with stabilizing block 2, square head 3 is rotatably penetrated on one side of the surface of ratchet wrench body 1;

[0029] Sleeve head assembly 4, one side of sleeve head assembly 4 is fixedly connected with one side of the surface of ratchet wrench body 1, and sleeve head assembly 4 is used to be fixedly connected with the surface of ratchet wrench body 1;

[0030] Handle assembly 5, one side of handle assembly 5 is fixedly connected with one side of the surface of ratchet wrench body 1, handle assembly 5 is used for staff to hold and operate, the setting of sleeve head assembly 4 is connected in the way of connector plate 44 and connector slot plate 49 connector fixed mode, solves the problem of loose connection, spring 42 directly pushes connector plate 44, can guarantee that it is always stably connected with connector slot plate 49, and when disengaging, only needs to pull manual guard plate 45, and relevant structure can smoothly and stably slide on the surface of positioning frame 41, convenient operation.

[0031] The main difference between the second embodiment and the first embodiment is that the large-torque ratchet wrench with interchangeable head structure, the head assembly 4 comprises a positioning frame 41 fixedly connected with one side of the surface of the ratchet wrench body 1, a spring 42 is fixedly connected with one side of the inner wall of the positioning frame 41 through a reinforcing block, one end of the spring 42 is fixedly connected with a sliding plate 43, one side of the sliding plate 43 is fixedly connected with a plug-in plate 44, one side of the sliding plate 43 is fixedly connected with a manual guard plate 45, anti-skid stripes are arranged on the surface of the manual guard plate 45, rail groove plates 46 are fixedly connected with the two sides of the sliding plate 43, limit rails 47 are movably connected with the inner wall of the rail groove plates 46, one side of the limit rails 47 is fixedly connected with one side of the surface of the positioning frame 41, a screw sleeve 48 is movably arranged on the surface of the square head 3, a plug-in groove plate 49 is fixedly connected with one side of the screw sleeve 48, the inner wall of the plug-in groove plate 49 is matched with one side of the plug-in plate 44, the handle assembly 5 comprises a stabilizing sleeve 51 fixedly connected with one side of the ratchet wrench body 1, a threaded column 52 is threadedly connected with the inner wall of the stabilizing sleeve 51, a handle 53 is fixedly connected with the bottom end of the threaded column 52, a limiting ring 54 is fixedly connected with the inner wall of the stabilizing sleeve 51, limiting plates 55 are fixedly connected with the two sides of the surface of the threaded column 52, the radius of the limiting plates 55 is greater than the inner diameter of the limiting ring 54, so that the limiting ring 54 can block the movement of the limiting plates 55, by the arrangement of the handle assembly 5, the device is connected in the mode of the stabilizing sleeve 51 and the threaded column 52, which can directly rotate to increase the length of the wrench, and by the arrangement of the limiting ring 54 and the limiting plates 55, the threaded column 52 can be effectively prevented from separating from the stabilizing sleeve 51, and the related structure is simple and easy to maintain.

[0032] Meanwhile, the contents not described in detail in the specification all belong to the existing technology known to those skilled in the art.

[0033] In work, the handheld handle 53 can operate the wrench, when the handle assembly 5 needs to be extended, the threaded column 52 can be rotated out of the stabilizing sleeve 51, until the limiting ring 54 and the limiting plate 55 are in contact with each other, the extension is stopped, when the screw sleeve 48 is replaced, the manual guard plate 45 is pulled outward, the plug-in plate 44 is driven by the sliding plate 43 to separate from the plug-in groove plate 49, the spring 42 in the positioning frame 41 is pressed, the screw sleeve 48 and the plug-in groove plate 49 are pulled up, the screw sleeve 48 is separated from the square head 3, and then the replacement is carried out, and then the work is continued, when the device works completely, the device is restored.

[0034] It is to be noted that, in the present document, relational terms such as first and second and the like can be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises", "comprising", or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but can include other elements not expressly listed or inherent to such process, method, article, or apparatus.

[0035] While the embodiments of the present application have been illustrated and described, it will be understood by those skilled in the art that various changes, modifications, substitutions, and alterations can be made therein without departing from the spirit and scope of the application, which is defined by the appended claims and their equivalents.

Claims

1. A large torque ratchet wrench with interchangeable head structure, characterized in that, Include: Ratchet wrench body (1), the bottom of the ratchet wrench body (1) is fixedly connected with a stabilizing block (2), a square head (3) is rotatably penetrated into one side of the surface of the ratchet wrench body (1); The sleeve head assembly (4) is fixedly connected with one side of the surface of the ratchet wrench body (1), and the sleeve head assembly (4) is used for being fixedly connected with the surface of the ratchet wrench body (1); The handle assembly (5) is fixedly connected with one side of the surface of the ratchet wrench body (1), and the handle assembly (5) is used for being held by the staff.

2. The large torque ratchet wrench with interchangeable head structure according to claim 1, characterized in that: The sleeve head assembly (4) includes a positioning frame (41) fixedly connected with one side of the surface of the ratchet wrench body (1), a spring (42) is fixedly connected with one side of the inner wall of the positioning frame (41) through a reinforcing block, one end of the spring (42) is fixedly connected with a sliding plate (43), one side of the sliding plate (43) is fixedly connected with a plug-in plate (44), one side of the sliding plate (43) is fixedly connected with a manual guard plate (45), and the surface of the manual guard plate (45) is provided with anti-skid stripes.

3. The large torque ratchet wrench with interchangeable head structure according to claim 2, characterized in that: Both sides of the sliding plate (43) are fixedly connected with a track groove plate (46), the inner wall of the track groove plate (46) is movably connected with a limiting rail (47), and one side of the limiting rail (47) is fixedly connected with one side of the surface of the positioning frame (41).

4. The large torque ratchet wrench with interchangeable head structure according to claim 1, characterized in that: The surface of the square head (3) movably sheaths a screw sleeve (48), and one side of the screw sleeve (48) is fixedly connected with a plug-in groove plate (49).

5. The large torque ratchet wrench with interchangeable head structure according to claim 1, characterized in that: The handle assembly (5) includes a stabilizing sleeve (51) fixedly connected with one side of the ratchet wrench body (1), a threaded column (52) is threadedly connected with the inner wall of the stabilizing sleeve (51), and the bottom end of the threaded column (52) is fixedly connected with a handle (53).

6. The large torque ratchet wrench with interchangeable head structure according to claim 5, characterized in that: The inner wall of the stabilizing sleeve (51) is fixedly connected with a limiting ring (54), and the surface of the threaded column (52) is fixedly connected with a limiting plate (55) on both sides.

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