Pneumatic impact wrench with light retaining function

Abstract

The application discloses a pneumatic impact wrench with a stay-on function, comprising a machine body, a front end cover of the machine body is sleeved with a stay-on component, the stay-on component is provided with a through hole for the extension of a machine head of the machine body; the stay-on component is provided with a stay-on lamp, a light transmission hole is formed at one end of the machine head of the stay-on component for the light of the stay-on lamp to be emitted from the light transmission hole, and the stay-on component is further provided with a charging interface; detachable connection structures are arranged between the stay-on component and the front end of the machine body to realize the detachable installation of the stay-on component on the front end of the machine body. The stay-on component of the pneumatic impact wrench can be separately detached from the front end of the machine body, so that the stay-on component can be separately taken off for charging.

Description

Technical Field

[0001] This application relates to the field of pneumatic impact wrench technology, and in particular to a pneumatic impact wrench with a marking function. Background Technology

[0002] A pneumatic impact wrench is a highly efficient mechanical tool for tightening and loosening bolts and nuts, also known as a pneumatic wrench. Pneumatic impact wrenches are used in industries such as petroleum, chemical, railway, bridge, automotive, power, mining, shipbuilding, and construction. Driven by compressed air, it can quickly tighten or loosen bolts and nuts, greatly improving work efficiency.

[0003] In the actual operation of pneumatic impact wrenches, it is sometimes necessary to use them in situations where the light is not bright enough. However, most pneumatic impact wrenches do not have a light-retaining function, making it difficult to meet the needs of use in low-light conditions.

[0004] To solve this problem, industry technicians conducted research and development and made improvements, optimizing the structure of the pneumatic impact wrench by adding a receptacle structure. However, after the receptacle structure was added, it was basically fixed to the machine body and was not detachable. When charging, the entire pneumatic impact wrench had to be removed to perform the charging operation.

[0005] Based on the above requirements, this application further optimizes and improves existing pneumatic impact wrenches to design a pneumatic impact wrench with a marking function that meets the above requirements. Utility Model Content

[0006] This application aims to at least solve one of the technical problems existing in the prior art. To this end, this application proposes a pneumatic impact wrench with a light-retaining function, wherein the light-retaining component is set at the front end of the pneumatic impact wrench body, and a detachable connection structure is provided between the light-retaining component and the front end of the body to achieve the detachability of the light-retaining component at the front end of the body, thereby solving the problem in the prior art that the entire pneumatic impact wrench needs to be removed for charging when the light-retaining component is being charged.

[0007] This application provides a pneumatic impact wrench with a luminous function, including a body, a luminous component on the front end cover of the body, and a through hole for the head of the body to extend out. The light-retaining component includes a light-retaining lamp, and a light-transmitting hole is opened at one end of the light-retaining component at the head so that the light of the light-retaining lamp can be emitted from the light-transmitting hole. The light-retaining component also includes a charging interface. The illumination component and the front end of the fuselage are equipped with a detachable connection structure to enable the detachable installation of the illumination component at the front end of the fuselage.

[0008] Based on the above-described pneumatic impact wrench, the indicator light is detachably mounted on the front of the main body. The indicator light itself also includes an indicator light and a charging port. Therefore, when the indicator light needs charging, it can be detached from the front of the main body for separate charging. This eliminates the need to remove the entire pneumatic impact wrench for charging; charging the indicator light separately is not only compact and lightweight, but also space-saving and easy to handle for charging.

[0009] According to the pneumatic impact wrench with a light-retaining function in the embodiments of this application, the detachable connection structure consists of a positioning block and a positioning combination groove that are mutually matched. The positioning block is set on either the front end of the machine body or the light-retaining component. When the positioning block is set on the front end of the machine body, the positioning combination groove is set on the light-retaining component. When the positioning block is set on the light-retaining component, the positioning combination groove is set on the front end of the machine body.

[0010] According to the pneumatic impact wrench with a positioning function in the embodiments of this application, the positioning block is a block that is radially protruding and distributed along the circumference, and the positioning combination groove is a vertical groove and an annular groove that are matched with the corresponding block and are interconnected.

[0011] According to the pneumatic impact wrench with a luminous function in the embodiments of this application, the luminous component has a coaxial inner ring and an outer ring, the front end of the body has a front cover, the end of the front cover has a coaxial central convex ring and an outer convex ring, the outer convex ring and the edge of the end of the front cover are spaced apart to form a limiting ring step, the sidewalls of the inner ring and the central convex ring are used for the matching of the positioning block and the positioning combination groove, and the outer convex ring and the limiting ring step together form the positioning and axial limiting of the outer ring.

[0012] According to the pneumatic impact wrench with a residual function in the embodiments of this application, the outer convex ring body is provided with a plurality of circumferentially distributed axial groove groups on the outer side wall, and the outer ring body is provided with a plurality of locking posts that match the corresponding axial groove groups on the inner side wall.

[0013] According to the pneumatic impact wrench with a marking function in the embodiments of this application, the axial groove group has two adjacent axial grooves, and an axial arc-shaped connecting ridge is formed between the two axial grooves.

[0014] According to the pneumatic impact wrench with a retaining function in the embodiment of this application, the circumferential width of one axial groove in the axial groove group is greater than the circumferential width of the other axial groove, wherein the axial groove with the smaller width is used for final positioning and accommodating the retaining post.

[0015] Additional aspects and advantages of this application will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of this application. Attached Figure Description

[0016] The above and / or additional aspects and advantages of this application will become apparent and readily understood from the description of the embodiments taken in conjunction with the following drawings, in which: Figure 1 This is a partial front view structural diagram of a pneumatic impact wrench according to some embodiments of this application; Figure 2 This is a partial cross-sectional structural schematic diagram of a pneumatic impact wrench according to some embodiments of this application; Figure 3 This is one of the perspective structural schematic diagrams of the luminous component of a pneumatic impact wrench according to some embodiments of this application; Figure 4 This is a second perspective structural schematic diagram of the retaining component of a pneumatic impact wrench according to some embodiments of this application; Figure 5 This is a perspective structural diagram of the front cover of a pneumatic impact wrench according to some embodiments of this application.

[0017] Reference numerals: 100 for light-retaining component, 101 for through hole, 102 for light-retaining lamp, 103 for light-transmitting hole, 104 for charging interface; 200 for body, 201 for head; 1 for block, 2 for vertical groove, 3 for annular groove, 4 for inner ring body, 5 for outer ring body, 6 for front cover, 61 for central convex ring body, 62 for outer convex ring body, 63 for limiting annular step, 7 for axial groove group, 71 for axial groove, 72 for arc-shaped connecting ridge, 8 for locking post. Detailed Implementation

[0018] To better understand the technical solutions provided in the embodiments of this specification, the technical solutions of the embodiments of this specification will be described in detail below with reference to the accompanying drawings and specific embodiments. It should be understood that the embodiments of this specification and the specific features in the embodiments are detailed descriptions of the technical solutions of the embodiments of this specification, rather than limitations on the technical solutions of this specification. In the absence of conflict, the embodiments of this specification and the technical features in the embodiments can be combined with each other.

[0019] The following is in conjunction with the appendix Figure 1-5 This application describes a pneumatic impact wrench with a luminous function, comprising: a luminous component 100 and a body 200.

[0020] The illumination component 100 is detachably mounted on the front end of the body 200. The head 201 of the body 200 extends out from the through hole 101, or central through hole, of the illumination component 100. The illumination component 100 includes an illumination lamp 102, and a PCB circuit board (not shown) is installed inside the illumination component 100. The PCB circuit board is equipped with electrical components such as a rechargeable battery and the illumination lamp 102.

[0021] The illumination light 102 is set with LED lights in the shape of lamp beads. In order to make the light of the LED light shine through the end of the illumination component 100 and directly illuminate the front end of the machine head 201 at the working position, the illumination component 100 has a light-transmitting hole 103 at one end near the front of the machine head 201 so that the light of the illumination light 102 can shine out through the light-transmitting hole 103. In this way, the emitted light naturally illuminates the working position, providing a bright working environment.

[0022] When charging is required after prolonged use, in this embodiment of the application, the lighting component 100 also has a charging interface 104, which is similar to a USB charging interface. After being connected to an external power source, it charges the rechargeable battery to restore normal power supply to the lighting lamp 102.

[0023] To address the issue that the light retention component 100 can be detached from and installed at the front end of the device body 200, and to facilitate the separate handling of the lightweight and compact light retention component 100 for charging, in this embodiment of the application, a detachable connection structure is provided between the light retention component 100 and the front end of the device body 200 to achieve the detachable installation of the light retention component 100 at the front end of the device body 200.

[0024] Specifically, in some embodiments, the detachable connection structure comprises a positioning block and a positioning combination slot that are mutually matched. The positioning block is selected to be installed on either the front end of the body 200 or the illumination component 100. For example, if the positioning block is installed on the front end of the body 200, the positioning combination slot is installed on the illumination component 100; if the positioning block is installed on the illumination component 100, the positioning combination slot is installed on the front end of the body 200.

[0025] Regarding the specific configuration of the positioning block and positioning combination groove, in some embodiments of this application, the positioning block is a radially protruding block 1 distributed circumferentially, where radial can be understood as the radial direction of the front end of the fuselage 200, and circumferential can be understood as the circumferential direction of the front end of the fuselage 200. The positioning combination groove is a vertical groove 2 and an annular groove 3 that are matched with and communicate with the corresponding block 1. Specifically, the vertical groove 2 and the annular groove 3 form an L-shape, where the vertical groove 2 can be understood as being arranged along the axial direction of the fuselage 200, and the annular groove 3 can be understood as being arranged along the circumferential direction of the fuselage 200.

[0026] During installation, when the illumination component 100 is fitted onto the front end of the body 200, the block 1 and the vertical groove 2 first form a sliding fit. After being fully fitted, the illumination component 100 is rotated, causing the block 1 to move from the vertical groove 2 into the annular groove 3 for positioning. At this point, due to the restriction of the annular groove 3, the illumination component 100 cannot axially disengage from the front end of the body 200; the illumination component 100 is axially limited and fitted onto the front end of the body 200. When disassembly is required, the illumination component 100 is selected in reverse, causing the block 1 to disengage from the annular groove 3, releasing the axial restriction. The block 1 then returns to the vertical groove 2, and the illumination component 100 is pulled out along the vertical groove 2 from the front end of the body 200, thus achieving a detachable connection between the illumination component 100 and the front end of the body 200.

[0027] In this embodiment, the lighting component 100 is configured as follows: the lighting component 100 has a coaxial inner ring 4 and an outer ring 5. The front end of the body 200 has a front cover 6. The end of the front cover 6 has a coaxial central convex ring 61 and an outer convex ring 62. There is a gap between the outer convex ring 62 and the edge of the end of the front cover 6 to form a limiting ring step 63. The sidewalls of the inner ring 4 and the central convex ring 61 are used for the cooperation of the positioning block and the positioning combination groove. The outer convex ring 62 and the limiting ring step 63 together form the positioning and axial limiting of the outer ring 5, thereby forming a further limiting and positioning installation. Compared with the configuration of a single positioning block and positioning combination groove, the excessive covering of the lighting component 100 is avoided, and the connection strength after installation is enhanced.

[0028] As an optimization and improvement in the embodiments of this application, the outer convex ring 62 is provided with a plurality of circumferentially distributed axial groove groups 7 on the outer side wall, and the outer ring 5 is provided with a plurality of retaining posts 8 on the inner side wall that match the corresponding axial groove groups 7.

[0029] In this embodiment, the positioning block and the positioning combination groove form a first-insert-then-rotate operation characteristic. The axial groove group 7 is linked to this operation characteristic and is cleverly optimized in the specific structural design as follows: The axial groove group 7 has two adjacent axial grooves 71, and an axial arc-shaped connecting ridge 72 is formed between the two axial grooves 71. In this way, when rotating, an arc-shaped rotational sliding is formed, which facilitates the smooth operation of the action.

[0030] In the design, the circumferential width of one axial groove in the axial groove group 7 is greater than the circumferential width of the other axial groove, wherein the axial groove with the smaller width is used for final positioning and accommodating the locking post 8. It should be noted that the circumferential and axial directions can be understood as the circumferential and axial directions of the front end of the fuselage 200.

[0031] The aforementioned axial groove group 7 and locking post 8, through further cooperation, form a two-stage detachable connection. Building upon the first-stage detachable connection of the positioning block and positioning combination groove, the combined second-stage detachable connection significantly outperforms the first-stage detachable connection in terms of strength, further demonstrating the reliability of the installation connection after installation. Thus, while the first-stage detachable connection provides axial limiting, the two axial grooves 71 and the arc-shaped connecting ridge 72 between them provide circumferential limiting. This circumferential limiting prevents the retaining component 100 from easily rotating and loosening after installation. An external rotational force is required for the locking post 8 to slide circumferentially from the narrower axial groove past the arc-shaped connecting ridge 72 and return to the wider axial groove. Therefore, the retaining component can maintain the tightness of the connection even during high-frequency operation.

[0032] Furthermore, the optimized configuration of the above structure allows the axial groove with a larger circumferential width to form an insertion guide and further positioning during actual operation, while the arc-shaped connecting ridge 72 can generate a rotating click sound and a rotating feel to indicate that the rotation is in place. After the rotation is in place, the axial groove with a smaller width provides a smaller accommodating space to form a tighter and more reliable positioning connection.

[0033] In the description of this application, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc., indicating the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings, are only for the convenience of describing this application and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation, and therefore should not be construed as a limitation of this application.

[0034] In the description of this application, "multiple" means two or more, unless otherwise expressly and specifically defined.

[0035] In this application, unless otherwise expressly specified and limited, the terms "installation," "connection," "linking," and "fixing," etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection, an electrical connection, or a communication connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal communication of two components or the interaction between two components. Those skilled in the art can understand the specific meaning of the above terms in this application according to the specific circumstances.

[0036] In this application, unless otherwise expressly specified and limited, "above" or "below" the second feature can mean that the first feature is in direct contact with the second feature, or that the first feature is in indirect contact with the second feature through an intermediate medium. Furthermore, "above," "on top of," and "over" the second feature can mean that the first feature is directly above or diagonally above the second feature, or simply that the first feature is at a higher horizontal level than the second feature. "Below," "below," and "under" the second feature can mean that the first feature is directly below or diagonally below the second feature, or simply that the first feature is at a lower horizontal level than the second feature.

[0037] In the description of this specification, the references to terms such as "one embodiment," "some embodiments," "example," "specific example," or "some examples," etc., refer to specific features, structures, materials, or characteristics described in connection with that embodiment or example, which are included in at least one embodiment or example of this application. In this specification, the illustrative expressions of the above terms do not necessarily refer to the same embodiment or example. Furthermore, the specific features, structures, materials, or characteristics described may be combined in any suitable manner in one or more embodiments or examples. Moreover, without contradiction, those skilled in the art can combine and integrate the different embodiments or examples described in this specification, as well as the features of different embodiments or examples.

[0038] Although embodiments of this application have been shown and described, those skilled in the art will understand that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of this application, the scope of which is defined by the claims and their equivalents.

Claims

1. A pneumatic impact wrench with a marking function, comprising a body, characterized in that: The front cover of the fuselage has a through hole for the head of the fuselage to extend out. The light-retaining component includes a light-retaining lamp, and a light-transmitting hole is opened at one end of the light-retaining component at the head so that the light of the light-retaining lamp can be emitted from the light-transmitting hole. The light-retaining component also includes a charging interface. The illumination component and the front end of the fuselage are equipped with a detachable connection structure to enable the detachable installation of the illumination component at the front end of the fuselage.

2. The pneumatic impact wrench with a marking function according to claim 1, characterized in that, The detachable connection structure consists of a positioning block and a positioning combination slot that are mutually matched. The positioning block is set on either the front end of the machine body or the lighting assembly. When the positioning block is set on the front end of the machine body, the positioning combination slot is set on the lighting assembly. When the positioning block is set on the lighting assembly, the positioning combination slot is set on the front end of the machine body.

3. The pneumatic impact wrench with a marking function according to claim 2, characterized in that, The positioning block is a radially protruding block distributed along the circumference, and the positioning combination groove is a vertical groove and an annular groove that are matched with the corresponding block and are interconnected.

4. The pneumatic impact wrench with a marking function according to claim 3, characterized in that, The positioning component has a coaxial inner ring and an outer ring. The front end of the body has a front cover. The end of the front cover has a coaxial central convex ring and an outer convex ring. There is a gap between the outer convex ring and the edge of the end of the front cover to form a limiting ring step. The sidewalls of the inner ring and the central convex ring are used for the cooperation of the positioning block and the positioning combination groove. The outer convex ring and the limiting ring step together form the positioning and axial limiting of the outer ring.

5. The pneumatic impact wrench with a marking function according to claim 4, characterized in that, The outer convex ring body has multiple circumferentially distributed axial groove groups on its outer side wall, and the outer ring body has multiple retaining posts on its inner side wall that match the corresponding axial groove groups.

6. The pneumatic impact wrench with a marking function according to claim 5, characterized in that, The axial groove group has two adjacent axial grooves, and an axial arc-shaped connecting ridge is formed between the two axial grooves.

7. The pneumatic impact wrench with a marking function according to claim 6, characterized in that, The circumferential width of one axial groove in the axial groove group is greater than the circumferential width of the other axial groove, wherein the axial groove with the smaller width is used for final positioning and accommodating the retaining post.

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