Tool capable of identifying torque value

Abstract

The utility model discloses a tool capable of identifying a torque value. The tool comprises a body and a transparent sheet, the body is hollow and has a surface. The body comprises a concave area formed on the surface of the body; the platform is formed in the center of the concave area along the length direction of the body; the two concave parts are formed in the concave area and located on the two sides of the platform; the straight groove penetrates into the body from the platform in the thickness direction of the body; the row of scales are marked on the platform and located on one side of the straight groove; the indicating key is provided with an index, and the index points to the first scale when the indicating key reciprocates in the straight groove. The transparent sheet is provided with an inner side and an outer side, and the lens is formed in the center of the inner side of the transparent sheet; and the two convex parts are formed on the inner side of the transparent sheet and are positioned on two sides of the lens. The transparent sheet covers the recessed area, and the outer side is consistent with the surface of the body. And the two convex parts clamp the two concave parts to prevent the transparent sheet from leaving the body. The lens faces the platform and amplifies the identification multiplying power of the index and the scale.

Description

Technical Field

[0001] The utility model relates to the field of hand tools, and in particular to a tool with an identifiable torque value. By setting a protective structure with a perspective function, the tool can not only identify the value of a torque received by a workpiece, but also prevent the tool from being contaminated or damaged by external forces. Background Art

[0002] When it comes to hand tools for transmitting torque, the first choice is often a wrench, such as a ratchet wrench, torque wrench, etc.

[0003] The ratchet wrench has a direction button to operate the workpiece to rotate clockwise or counterclockwise. The ratchet wrench has no adjustment function, so the torque of the ratchet wrench is usually manually operated by a user based on feeling. The disadvantages of manual operation include: the smaller the torque, the workpiece may not be able to be locked or loosened; the larger the torque, the easier it is to break the teeth, which may damage the structure of the workpiece and cannot be repaired.

[0004] The torque wrench has an adjustment mechanism to facilitate the user to change the torque value of the torque wrench. What is unknown is what the torque value transmitted to the workpiece is after the torque wrench is adjusted.

[0005] In order to know the current torque value, the known torque wrench adopts a structure that can identify the torque value. For example, the patent case No. I813423 of Taiwan, China discloses: an outer ring groove, a window long hole and a row of torque value scales. The outer ring groove is sunken into the outer surface of a tubular handle of the torque wrench. The window long hole penetrates the tubular handle and is located at the center of the bottom of the outer ring groove. The row of scales is engraved on the bottom of the outer ring groove and on one side of the window long hole.

[0006] Although, the user can see a torsion spring and a compression sleeve resisting each other inside the tubular handle through the long hole of the window. The end of the compression sleeve contacting the torsion spring is regarded as the crimping end, and the crimping end is aligned with one of the row of scales, which is enough for the user to know the current torque value of the torque wrench.

[0007] However, the outer ring groove is a semi-open groove and has no mechanism to protect against external damage. Dust or oil on the work site can enter the tubular handle through the long window hole, causing malfunction of the internal parts of the torque wrench. Secondly, the outer ring groove makes the surface of the tubular handle uneven, causing discomfort to the user's hand when holding it, and may even affect the health of the fingers.

[0008] Therefore, how to improve the structure or mechanism of identifying torque of the torque wrench becomes a problem to be solved urgently in the present invention. Utility Model Content

[0009] In view of this, the main purpose of the utility model is to provide a tool with an identifiable torque value, which adopts a transparent structure to avoid damage from external forces, has a dust-proof effect, and does not affect the identification of the torque value.

[0010] In order to achieve the above-mentioned purpose, the utility model provides a tool with identifiable torque value, which includes: a body and a transparent sheet. The body is hollow and has a surface. The body includes: a recessed area formed on the surface of the body; a platform formed in the center of the recessed area along the length direction of the body; two recesses formed in the recessed area and located on both sides of the platform; a straight groove penetrating from the platform to the inside of the body along the thickness direction of the body; a row of scales engraved on the platform and on one side of the straight groove; an indicator key having an indicator, the indicator key reciprocating in the straight groove, and the indicator pointing to one of the row of scales. The transparent sheet has an inner side and an outer side, and also includes: a lens formed in the center of the inner side of the transparent sheet; two convex portions formed on the inner side of the transparent sheet and located on both sides of the lens.

[0011] The transparent sheet covers the recessed area, and the outer side of the transparent sheet is consistent with the surface of the body. The two protrusions clamp the two recesses to prevent the transparent sheet from leaving the body. The lens faces the platform to magnify the identification magnification of the indicator and the scale.

[0012] In order to make the purpose, features and advantages of the present invention easy to understand, one or more preferred embodiments are given and described in detail with reference to the attached drawings as follows. BRIEF DESCRIPTION OF THE DRAWINGS

[0013] Figure 1 Draw the preferred embodiment of the tool of the utility model.

[0014] Figure 2 To observe the specific structure of the transparent sheet from the end face.

[0015] Figure 3 To observe the local structure of the tool from a cross-sectional perspective.

[0016] Explanation of the reference numerals: 10 - tool; 11 - body; 12 - driving member; 13 - direction button; 14 - adjusting button; 15 - torque adjustment mechanism; 16 - surface; 20 - recessed area; 21 - platform; 22 - recessed portion; 23 - straight groove; 24 - indicator key; 25 - scale; 30 - transparent sheet; 31 - lens; 32 - inner side; 33 - convex portion; 34 - outer side. DETAILED DESCRIPTION

[0017] Next, embodiments of the present invention are described in conjunction with the accompanying drawings. In the accompanying drawings, the same reference numerals are used to represent the same or similar structures or units. It is foreseeable that the embodiments described are only examples of some of the present invention, not all of the embodiments. Other embodiments can be deduced based on the examples described, or the structures that can be modified or changed as needed are all within the scope of protection of the present invention.

[0018] In the following description, directional terms such as "upper", "lower", "left", "right", "front", "back", "inner", "outer" and "side" are only used to refer to the directions of the drawings. The use of directional terms is for better and clearer description and understanding of the utility model, and does not express or imply that the device or element described must have a specific orientation, structure and operation, so it cannot be understood as a limitation on the technical content of the utility model.

[0019] Unless otherwise specified and clearly defined, in the following description, "installed", "connected", "connected" or "provided on" should be understood in a broad sense, such as fixed connection, detachable connection, integral connection, mechanical connection, direct connection, indirect connection or connection between two components. For those skilled in the art of the present invention, they can understand the specific meanings of the above terms in various embodiments and even the present invention by virtue of common knowledge or experience.

[0020] Unless otherwise specified, in the following description, "plurality" means two or more.

[0021] like Figure 1 As shown in FIG. 1 , a preferred embodiment of the present invention shows a transparent sheet 30 being removed from a tool 10 .

[0022] Figure 2 In the embodiment, the transparent sheet 30 has a lens 31 and two convex portions 33. In this embodiment, the transparent sheet 30 is a convex curved sheet, the outer side 34 of the convex curved sheet is a convex curved surface, and the inner side 32 is a concave curved surface. In some embodiments, a curvature radius of the transparent sheet 30 is changed depending on the appearance of the tool 10.

[0023] The lens 31 is located at the center of the inner side 32 of the transparent sheet 30. In this embodiment, the lens 31 is a convex lens. Usually, a convex surface of the lens 31 is designed as one body with the transparent sheet 30, so that a plane of the lens 31 is located at the center of the inner side 32 of the transparent sheet 30. In some embodiments, the lens 31 is a magnifying glass or a Fresnel lens.

[0024] In addition, two protrusions 33 protrude from the inner side 32 of the transparent sheet 30 and are located on both sides of the lens 31. In this embodiment, the protrusion 33 is a long rib. In some embodiments, the number of the protrusions 33 is four, and each protrusion 33 is a short column.

[0025] Looking back Figure 1 The tool 10 includes a body 11 , a driving member 12 and an adjusting button 14 .

[0026] In this embodiment, the body 11 is a round tube, and a torque adjustment mechanism 15 (see Figure 3 In some embodiments, the body 11 is an elliptical tube or a tube of other geometric shapes.

[0027] Secondly, the functional structure of the main body 11 includes, but is not limited to: a recessed area 20 , a platform 21 , two recesses 22 , a straight groove 23 and two rows of scales 25 .

[0028] The recessed area 20 is a fan-shaped groove, which is sunken into the surface 16 of the body 11 and has a depth (see FIG. Figure 3 In this embodiment, the recessed area 20 is adjacent to one of the two ends of the body 11. In some embodiments, the recessed area 20 is located in the middle of the surface 16 of the body 11.

[0029] The platform 21 is divided into a table top and two inclined surfaces. The table top (not numbered) is designed as a rectangular surface, which forms the center of the recessed area 20 along the length direction of the body 11. The two inclined surfaces (not numbered) connect the two ends of the table top and the bottom surface of the recessed area 20 respectively.

[0030] Two recesses 22 are sunken into the bottom surface of the recessed area 20 and are located on both sides of the platform 21. In this embodiment, the recess 22 is a long groove for receiving the long rib. In some embodiments, the number of the recesses 22 is four, and each recess 22 is a shallow groove for receiving the short column.

[0031] In the thickness direction of the body 11, the straight groove 23 penetrates from the table surface of the platform 21 to the inside of the body 11. The straight groove 23 extends in the length direction of the body 11 to guide the torque adjustment mechanism 15 (see Figure 3 ) an indication key 24 reciprocates.

[0032] Two rows of scales 25 are engraved on the surface of the platform 21 and are located on both sides of the straight groove 23. One end of the scale 25 points to the straight groove 23, and the other end points to a number. The number represents the unit of the torque value, such as Newton meter, foot pound.

[0033] The indicator key 24 has an indicator (not numbered), which is a line or a pair of arrows or a diamond symbol. Therefore, the indicator points to one of the row of scales 25, and by following the scales 25 to find the corresponding number, the torque value of the tool 10 can be correctly read.

[0034] The driving member 12 is rotatably connected to one end of the body 11. The torque adjustment mechanism 15 (see Figure 3 ) is a force that suppresses the driving member 12 from rotating relative to the main body 11, becoming a critical point for the main body 11 to transmit a torque through the driving member 12.

[0035] For example, the driving member 12 tightens or loosens a workpiece, such as a screw, nut, connecting rod, etc. A reaction force of the workpiece counteracts the torque of the driving member 12. If the reaction force is less than the critical point, the driving member 12 continues to apply torque to the workpiece. If the reaction force is greater than the critical point, the driving member 12 will disengage from the torque adjustment mechanism 15, interrupting the torque output of the tool 10 and no longer rotating the workpiece. In this way, the force of the torque adjustment mechanism 15 is equivalent to the torque of the body 11.

[0036] In addition, the driving member 12 is provided with a direction button 13. The direction button 13 determines that the driving member 12 rotates the workpiece in one direction to perform work, and rotates in the reverse direction without performing work.

[0037] The adjusting knob 14 is combined with the torque adjusting mechanism 15 (see Figure 3 ), exposing the other end of the body 11. The adjusting button 14 changes the force of the torque adjusting mechanism 15, operates the indicating key 24 to reciprocate in the straight slot 23, and reflects the current torque value of the tool 10.

[0038] from Figure 3 It is not difficult to find that after the tool 10 is assembled, the transparent sheet 30 covers the recessed area 20. The thickness of the transparent sheet 30 is equal to the depth of the recessed area 20, so the inner side 32 of the transparent sheet 30 is close to the bottom surface of the recessed area 20, so that the outer side 34 of the transparent sheet 30 is consistent with the surface 16 of the body 11.

[0039] Secondly, the two protrusions 33 engage the two recesses 22 to prevent the transparent sheet 30 from leaving the body 11 (or the tool 10 ) without warning.

[0040] Furthermore, the lens 31 is directed to the platform 21 to produce a magnification effect on the indicator key 24, the scale 25 and even the numbers. Generally, anyone can clearly identify the torque value of the tool 10 by looking through the transparent sheet 30.

[0041] In summary, the tool 10 utilizes the transparent sheet 30 to prevent the indicator key 24 and each of the scales 25 from being damaged by external forces, and also has the dust-proof effect of the straight groove 23 , which will not affect the identification of the torque value.

[0042] Without departing from the broad concept of the utility model, a person skilled in the art can understand and make changes to the above embodiments. Therefore, the utility model is not limited to the specific embodiments disclosed in the specification, and all modifications made according to the spirit and technical scope of the utility model should be covered and protected by the text content defined in the claims of the utility model.

Claims

1. A tool with identifiable torque value, characterized in that: include: A hollow body having a surface; a recessed area formed in a surface of the body; A platform formed at the center of the recessed area along the length direction of the body; Two recesses are formed in the recessed area and are located on both sides of the platform; A straight groove extending from the platform to the inside of the body in the thickness direction of the body; a row of scale marks for marking the platform on one side of the straight groove; A plurality of numbers representing torque values ​​are provided on the platform and located on one side of the scale; an indicator key having an indicator, the indicator key being capable of reciprocating in the straight slot so that the indicator points to one of the row of scales; A transparent sheet having an inner side and an outer side; a lens formed at the inner center of the transparent sheet; and Two convex parts are formed on the inner side of the transparent sheet and located on both sides of the lens; The transparent sheet covers the recessed area, and the outer side of the transparent sheet is consistent with the surface of the body; the two protrusions clamp the two recesses to prevent the transparent sheet from leaving the body; the lens faces the platform to magnify the recognition magnification of the indicator and the scale.

Images