CN204658290U - The ratchet spanner can multi-environment using - Google Patents

Abstract

The utility model provides a ratchet wrench that can be used in multiple environments, belongs to the field of hardware tools, and includes a wrench body, the wrench body includes a handle and a head handle, an installation cavity is arranged in the head handle, and a There is a rotatable ratchet, and the outer wall of the head handle is provided with a linear structure for reducing the size. The ratchet wrench, which can be used in multiple environments, uses a linear structure head handle to replace the existing circular structure head handle, thereby effectively reducing the width of the entire head handle, so that the ratchet wrench can be inserted into a narrow space. The screw is tightened, which greatly improves the environmental applicability and operability of the ratchet wrench.

Description

Multi-environment ratchet wrench

technical field

The utility model relates to the field of hardware tools, in particular to a wrench which can be used in multiple environments.

Background technique

The head of the ratchet wrench currently on the market is relatively wide. When the screw that needs to be tightened is in a relatively narrow position, many ratchet wrenches usually cannot perform the tightening operation on the above-mentioned screw in a special environment or the operation is very troublesome.

Utility model content

The purpose of the utility model is to provide a ratchet wrench that can be used in multiple environments to improve the above problems.

The utility model is achieved in that:

The ratchet wrench that can be used in multiple environments includes a wrench body, the wrench body includes a handle and a head handle, a mounting cavity is arranged in the head handle, a rotatable ratchet is arranged in the mounting cavity, and the outer wall of the head handle The upper is provided with a linear structure for size reduction.

Preferably, there are two linear structures, which are respectively arranged on both sides along the direction of the ratchet rotation axis, and the head handle is provided with an arc-shaped structure, and the arc-shaped structure and the two linear structures Together, the structures form the outer contour of the head handle.

The purpose of such setting is to reduce the transverse dimension of the entire head handle as much as possible, that is, the width of the head handle, thereby improving the ability of the ratchet wrench to enter a narrow space to tighten the screw.

Preferably, the two linear structures are respectively provided with a first groove and a second groove, and the length direction of the first groove and the second groove is the same as the rotation axis direction of the ratchet.

The purpose of setting the first groove and the second groove is to further improve the operability of the ratchet wrench and expand the working environment of the ratchet wrench.

Preferably, the ratchet is arranged at a position corresponding to the arc-shaped structure in the installation cavity.

The purpose of such arrangement is to make the internal structure of the head handle compact, thereby reducing the overall size of the head handle.

Preferably, the handle and the head handle are integrally formed.

The purpose of adopting integral molding is that the processing is simple, the cost is low, and the mechanical strength of the whole wrench body can be effectively improved.

Preferably, the handle and the head handle are connected by threads.

The purpose of adopting threaded connection is that it has the advantages of simple structure, reliable connection, convenient assembly and disassembly, and the like.

Preferably, the handle and the head handle are rotatably connected.

The purpose of adopting the rotating connection is to enable the user to adjust the angle between the handle and the head handle according to actual needs, thereby better improving the operability of the ratchet wrench.

Preferably, the handle is provided with an anti-slip part.

The purpose of providing the anti-slip part is to facilitate the user to grasp the handle more firmly, so as to use the ratchet wrench more conveniently.

Preferably, the anti-slip part is a sleeve slidably connected to the handle, the outer wall of the sleeve is provided with anti-slip lines, the tube wall of the sleeve is provided with screw holes, and the inside of the screw holes Bolts for tightening against the handle are provided.

The purpose of such setting is to enable the user to easily adjust the position of the sleeve on the handle to meet the requirements of various usage occasions.

Preferably, the middle part of the handle is provided with a protective stop ring.

The purpose of setting the protective stop ring is to protect the user's hand holding the handle 200 from being scratched and crushed.

The beneficial effects of the utility model are:

The ratchet wrench, which can be used in multiple environments, uses a linear structure head handle to replace the existing circular structure head handle, thereby effectively reducing the width of the entire head handle, so that the ratchet wrench can be inserted into a narrow space. The screw is tightened, which greatly improves the environmental applicability and operability of the ratchet wrench.

Description of drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the following drawings will be briefly introduced in the embodiments. It should be understood that the following drawings only show some embodiments of the present invention. Therefore, it should not be regarded as a limitation on the scope. For those skilled in the art, other related drawings can also be obtained according to these drawings without creative work.

Fig. 1 is a structural schematic diagram of a ratchet wrench that can be used in multiple environments provided by the first embodiment of the utility model;

Fig. 2 is a structural schematic diagram of the head handle provided by the first embodiment of the utility model;

Fig. 3 is a schematic structural view of the head handle provided by the second embodiment of the present invention;

Fig. 4 is a schematic structural view of the wrench body provided by the fifth embodiment of the present invention.

Summary of reference signs:

handle 100; head handle 200; linear structure 210;

The first groove 215; the arc-shaped structure 220;

ratchet 300 ; sleeve 400 .

Detailed ways

In order to make the purpose, technical solutions and advantages of the embodiments of the utility model more clear, the technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the accompanying drawings in the embodiments of the utility model. Obviously, the described The embodiments are some embodiments of the present utility model, but not all embodiments. The components of the embodiments of the invention generally described and illustrated in the figures herein may be arranged and designed in a variety of different configurations. Therefore, the following detailed description of the embodiments of the present invention provided in the accompanying drawings is not intended to limit the scope of the claimed invention, but merely represents selected embodiments of the present invention. Based on the embodiments of the present utility model, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the scope of protection of the present utility model.

In the description of the present utility model, it should be noted that the terms "center", "upper", "lower", "left", "right", "vertical", "horizontal", "inner", "outer" The orientation or positional relationship indicated by etc. is based on the orientation or positional relationship shown in the drawings, or the orientation or positional relationship that is usually placed when the product of the utility model is used. It is only for the convenience of describing the utility model and simplifying the description, rather than Any indication or implication that a referenced device or element must have a particular orientation, be constructed, and operate in a particular orientation should not be construed as limiting the invention. In addition, the terms "first", "second", "third", etc. are only used for distinguishing descriptions, and should not be construed as indicating or implying relative importance.

In the description of the present utility model, it should also be noted that, unless otherwise specified and limited, the terms "setting", "installation", "connection" and "connection" should be understood in a broad sense, for example, it can be a fixed connection , can also be detachably connected, or integrally connected; can be mechanically connected, can also be electrically connected; can be directly connected, can also be indirectly connected through an intermediary, and can be internal communication between two components. Those of ordinary skill in the art can understand the specific meanings of the above terms in the present utility model in specific situations.

The first embodiment, with reference to Figures 1-2, the ratchet wrench that can be used in multiple environments includes a wrench body, the wrench body includes a handle 100 and a head handle 200, and the head handle 200 is provided with an installation cavity, and the installation cavity A rotatable ratchet 300 is arranged inside, and a linear structure 210 for reducing the size is arranged on the outer wall of the head handle 200 .

Wherein, the wrench body is made of 40Cr, which is low in cost and has good mechanical properties, and its surface is polished to reduce roughness; the handle 100 is an elongated cylinder, including a connecting part and a holding part. The head handle 200 is connected to the end of the connecting part away from the grip part; in addition to the ratchet 300, the head handle 200 is also provided with springs, stoppers, screws, cover plates, ratchet heads and reversing pull levers, etc., the above zero The shape, structure and assembly relationship of the components are all in the prior art; the meaning of the linear structure 210 is: when the head handle 200 is viewed frontally along the axis direction of the rotation of the ratchet 300, one side or both sides of the head handle 200 are in the shape of straight line.

The heads of the existing ratchet wrenches are generally circular in structure, and the lateral dimension is relatively large, so that in some special working environments, such as when the screw is in a relatively narrow position, these ratchet wrenches cannot realize the tightening of the screw or are very troublesome to operate.

In view of the above situation, this technical solution provides a ratchet wrench that can be used in multiple environments. The head handle 200 of the ratchet wrench is provided with a linear structure 210, which can effectively reduce the lateral dimension of the head handle 200, that is, rotate along the ratchet 300 The width of the head handle 200 when the axial direction is viewed squarely, so that the ratchet wrench can easily extend into some narrow spaces to tighten the screws, thereby greatly improving the environmental adaptability and operability of the ratchet wrench.

In this embodiment, there are two linear structures 210, which are respectively arranged on both sides along the rotation axis direction of the ratchet 300. The head handle 200 is provided with an arc-shaped structure 220, and the arc-shaped structure 220 and the two linear structures 210 jointly form the outer contour of the handle 200 .

Wherein, the two linear structures 210 have the same shape and size to form a symmetrical structure to optimize mechanical properties and improve aesthetics; the connection between the linear structure 210 and the curved structure 220 adopts a circular arc transition.

The purpose of such setting is to reduce the transverse dimension of the entire head handle 200 as much as possible, that is, the width of the head handle 200, thereby improving the ability of the ratchet wrench to enter a narrow space to tighten screws.

In this embodiment, the ratchet 300 is disposed at a position corresponding to the arc-shaped structure 220 in the installation cavity.

The purpose of such arrangement is to make the internal structure of the head handle 200 compact, thereby reducing the overall size of the head handle 200 .

In this embodiment, the handle 100 and the handle 200 are integrally formed.

Wherein, the connection between the handle 100 and the handle 200 adopts a circular arc transition to optimize its mechanical properties.

The purpose of adopting integral molding is that the processing is simple, the cost is low, and the mechanical strength of the whole wrench body can be effectively improved.

In this embodiment, the middle part of the handle 100 is provided with a protective stop ring.

The purpose of setting up the protective retaining ring is to protect the user's hand holding the handle 100 from being scratched and crushed.

The ratchet wrench that can be used in multiple environments uses the head handle 200 of the linear structure 210 to replace the existing circular structure of the head handle 200, thereby effectively reducing the width of the entire head handle 200, so that the ratchet wrench can be extended into narrow The screw is tightened in a small space, which greatly improves the environmental applicability and operability of the ratchet wrench.

The second embodiment, with reference to Fig. 3, the device provided by the embodiment of the utility model, its realization principle and the technical effect produced are the same as the aforementioned method embodiment, for a brief description, the parts not mentioned in the device embodiment can be referred to Corresponding content in the foregoing method embodiments.

In this embodiment, the two linear structures 210 are respectively provided with a first groove 215 and a second groove. same.

Wherein, both the first groove 215 and the second groove are through grooves; the cross section of the groove is rectangular, and the cross section is a plane perpendicular to the axis direction of the ratchet 300; The edges of the first groove 215 and the second groove are provided with rounded corners to improve the mechanical properties and prevent the user's hand from being scratched by the sharp edges.

The purpose of setting the first groove 215 and the second groove is to further improve the operability of the ratchet wrench and expand the working environment of the ratchet wrench. For example, the screws that need to be loosened are located between two cylinders with a short distance At this time, due to the avoidance effect of the grooves on both sides of the head handle 200, the ratchet wrench can be moved to the position of the screw along the gap between the two cylinders for operation.

The third embodiment, the implementation principle and technical effect of the device provided by the embodiment of the present utility model are the same as those of the aforementioned method embodiment. For a brief description, the parts not mentioned in the device embodiment can refer to the aforementioned method embodiment corresponding content.

In this embodiment, the handle 100 and the handle 200 are connected by threads.

Wherein, one end of the handle 100 is provided with a connecting screw hole, and the head handle 200 is provided with a connecting stud, and the connecting screw hole and the connecting stud match each other; the length of the connecting screw hole is longer than that of the connecting screw. column to improve the stability of the connection between the two.

The purpose of adopting threaded connection is that it has the advantages of simple structure, reliable connection, convenient assembly and disassembly, and the like.

The fourth embodiment, the implementation principle and technical effect of the device provided by the embodiment of the present invention are the same as those of the aforementioned method embodiment. For a brief description, for the parts not mentioned in the device embodiment, refer to the aforementioned method embodiment corresponding content.

In this embodiment, the handle 100 and the handle 200 are rotationally connected.

Wherein, one end of the handle 100 is provided with a slot, and two ends of the slot are provided with supporting columns, and the two supporting columns are respectively provided with cylindrical holes, and the two cylindrical holes are facing to form a pin hole, and the pin A rotating pin is arranged in the hole, and a protrusion matching the slot is arranged on the handle 200, and a rotating hole matching the rotating pin is arranged on the protrusion, and one end of the rotating pin is integrally formed There is a first stopper, and the second stopper is detachably connected to the other end, and the first stopper and the second stopper jointly form a position-limiting structure for preventing the rotation pin from completely detaching from the rotation hole.

The purpose of adopting the rotating connection is to enable the user to adjust the angle between the handle 100 and the head handle 200 according to actual needs, so as to better improve the operability of the ratchet wrench.

The fifth embodiment, referring to Fig. 4, the device provided by the embodiment of the utility model, its realization principle and the technical effect produced are the same as the aforementioned method embodiment, for a brief description, the parts not mentioned in the device embodiment can be referred to Corresponding content in the foregoing method embodiments.

In this embodiment, the handle 100 is provided with an anti-slip part.

The purpose of providing the anti-slip part is to facilitate the user to grasp the handle 100 more firmly, so as to use the ratchet wrench more conveniently.

In this embodiment, the anti-slip part is a sleeve 400 slidably connected to the handle 100, the outer wall of the sleeve 400 is provided with anti-slip lines, and the tube wall of the sleeve 400 is provided with screw holes. Bolts for pressing against the handle 100 are arranged in the screw holes.

Wherein, the inside of the sleeve 400 is provided with a sliding through hole, and the sliding through hole is closely matched with the handle 100 to ensure the convenience of sliding; Both ends; the wall of the sleeve 400 is provided with a counterbore, and the counterbore matches the head of the bolt.

The purpose of such setting is to allow the user to easily adjust the position of the sleeve 400 on the handle 100 to meet the requirements of various usage occasions.

The above descriptions are only preferred embodiments of the utility model, and are not intended to limit the utility model. For those skilled in the art, the utility model can have various modifications and changes. Any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present utility model shall be included in the protection scope of the present utility model.

Claims (10)

1. A ratchet wrench that can be used in multiple environments, characterized in that it includes a wrench body, the wrench body includes a handle and a head handle, a mounting cavity is provided in the head handle, and a rotatable A ratchet, the outer wall of the head handle is provided with a linear structure for reducing the size. 2. The ratchet wrench that can be used in multiple environments according to claim 1, characterized in that there are two linear structures, which are respectively arranged on both sides along the rotation axis direction of the ratchet, and the head handle is arranged There is an arc-shaped structure, and the arc-shaped structure and two straight-line structures jointly form the outer contour of the handle. 3. The ratchet wrench that can be used in multiple environments according to claim 2, wherein the two linear structures are respectively provided with a first groove and a second groove, and the first groove and the second groove The length direction of the groove is the same as the rotation axis direction of the ratchet. 4 . The ratchet wrench that can be used in multiple environments according to claim 2 , wherein the ratchet is arranged at a position corresponding to the arc-shaped structure in the installation cavity. 5. The ratchet wrench that can be used in multiple environments according to claim 1, wherein the handle and the head handle are integrally formed. 6 . The ratchet wrench that can be used in multiple environments according to claim 1 , wherein the handle and head handle are connected by threads. 7. The ratchet wrench that can be used in multiple environments according to claim 1, characterized in that, the handle and the head handle are rotatably connected. 8 . The ratchet wrench that can be used in multiple environments according to claim 1 , wherein an anti-slip part is provided on the handle. 9. The ratchet wrench that can be used in multiple environments according to claim 8, wherein the anti-slip part is a sleeve that is slidably connected to the handle, and the outer wall of the sleeve is provided with anti-slip lines, so A screw hole is provided on the pipe wall of the sleeve, and a bolt for pressing against the handle is arranged in the screw hole. 10 . The ratchet wrench that can be used in multiple environments according to claim 1 , wherein a protective stop ring is provided in the middle of the handle. 11 .