Digital display torque wrench capable of switching display colors

Abstract

The digital display torque wrench capable of switching the display colors comprises a digital display torque wrench body and a fixing assembly, the digital display torque wrench body comprises a first installation shell and a second installation shell, and the first installation shell and the second installation shell are in butt joint together. A wrench rod body is mounted between the first mounting shell and the second mounting shell, first mounting grooves are formed in upper end wall plates of the first mounting shell and the second mounting shell, and second mounting grooves are formed in lower end wall plates of the first mounting shell and the second mounting shell. The wrench rod body is clamped and fixed through the pair of installation shells, the pair of installation shells are connected through clamping connection between the multiple limiting rods and the limiting grooves and clamping connection between the clamping connection plates and the clamping connection grooves, it is ensured that the wrench rod body is stably fixed, and meanwhile the pair of installation shells are convenient to disassemble and assemble through the clamping connection mode; therefore, internal elements of the digital display torque wrench are convenient to maintain and replace.

Description

Technical Field

[0001] The utility model belongs to the technical field of digital display torque wrenches, and particularly relates to a digital display torque wrench with switchable display colors. Background Art

[0002] Digital torque wrenches are tools used to precisely measure and control torque and are widely used in industries such as machinery manufacturing, automotive repair, shipbuilding, and the chemical industry. To enhance the performance and improve efficiency and accuracy of digital torque wrenches, digital torque handles with switchable display colors are gaining widespread adoption.

[0003] However, in order to ensure the stability of the existing digital torque wrenches with switchable display colors during assembly, the mounting shell and the wrench rod are usually fixed together, which makes it inconvenient to disassemble and assemble the digital torque wrench, thereby making it inconvenient to maintain and replace the internal components of the digital torque wrench.

[0004] The information disclosed in this background technology section is only intended to increase the understanding of the overall background of the present invention, and should not be regarded as an admission or any form of suggestion that the information constitutes the prior art already known to those skilled in the art. Utility Model Content

[0005] The purpose of the utility model is to provide a digital torque wrench with switchable display colors, which can solve the problem that the digital torque wrench is difficult to disassemble and assemble, resulting in inconvenience in maintaining and replacing its internal components.

[0006] In order to achieve the above-mentioned purpose, the technical solution provided by a specific embodiment of the present invention is as follows:

[0007] A digital torque wrench with switchable display colors, comprising:

[0008] The digital torque wrench body includes a first mounting shell and a second mounting shell, the first mounting shell and the second mounting shell are butt-jointed together, and a wrench rod is installed between the first mounting shell and the second mounting shell.

[0009] The first and second mounting shells are used to secure the wrench shank, and the internal components of the digital torque wrench are mounted within the first and second mounting shells. A first mounting slot is defined on the upper wall panels of the first and second mounting shells, and a second mounting slot is defined on the lower wall panels of the first and second mounting shells. The upper and lower ends of the wrench shank are respectively engaged in the first and second mounting slots, securing the wrench shank between the first and second mounting shells.

[0010] The fixing assembly includes a plurality of limiting rods, which are fixedly connected to the first mounting shell. The second mounting shell is provided with a plurality of limiting grooves. The front ends of the plurality of limiting rods are respectively engaged in the plurality of limiting grooves. The cooperation between the plurality of limiting rods and the limiting grooves ensures that the first mounting shell and the second mounting shell are stably connected when docked together, preventing relative movement of the first and second mounting shells when docked together, thereby ensuring stable fixation of the wrench rod body. At the same time, the limiting rods are installed in the limiting grooves by a snap-fitting manner, making it easy to assemble and disassemble the first and second mounting shells when docked.

[0011] In one or more embodiments of the present invention, the second mounting shell includes an outer shell and an inner shell, and the outer shell is arranged on the outside of the inner shell.

[0012] In one or more embodiments of the present invention, a color display board and a digital display board are installed on the outer side wall of the first mounting shell. There are multiple color display boards, and the multiple color display boards make it easy to switch the display colors when the digital torque wrench is used.

[0013] In one or more embodiments of the present invention, an anti-slip layer is provided on the inner side walls of the first mounting groove and the second mounting groove, and the anti-slip layer on the first mounting groove and the second mounting groove abuts against the side wall of the wrench rod body, so that the wrench rod body is stable when installed between the first mounting shell and the second mounting shell through the first mounting groove and the second mounting groove.

[0014] In one or more embodiments of the present invention, a sleeve groove is provided at the lower end of the wrench rod, and a groove body is provided on the side wall of the sleeve groove. When a larger force is required when using the torque wrench, an auxiliary wrench is sleeved through the sleeve groove so that the wrench rod can be driven to rotate when a larger torque is applied.

[0015] In one or more embodiments of the present invention, an arcuate limit plate is fixedly connected to the limit groove, and the arcuate limit plate is affixed to the side wall of the limit rod. The cooperation between the arcuate limit plate and the limit rod further improves the stability of the first mounting shell and the second mounting shell when they are docked together. At the same time, the arcuate limit plate is arranged in a bilaterally symmetrical manner within the second mounting shell, so that the arcuate limit plates on the left and right sides are arranged in a manner that deviates from each other. Therefore, the interaction between the arcuate limit plate and the limit rod can limit the relative movement between the first mounting shell and the second mounting shell when docked.

[0016] In one or more embodiments of the present invention, a clamping plate is fixedly connected to the side wall where the first mounting shell and the second mounting shell are in contact, and a clamping groove is provided on the side wall where the second mounting shell and the first mounting shell are in contact. The clamping plate is clamped in the clamping groove, so that when the first mounting shell and the second mounting shell are docked, the clamping plate will be sleeved in the clamping groove. The cooperation of the clamping plate and the clamping groove can limit the stability of the first mounting shell and the second mounting shell after docking, ensure that the first mounting shell and the second mounting shell will not separate, and at the same time make it easy to disassemble and assemble the first mounting shell and the second mounting shell when docking.

[0017] In one or more embodiments of the present invention, a second limit groove is provided on the side wall of the upper end of the wrench rod body, and a limit plate is integrally formed on the upper end of the inner shell, and the limit plate is sleeved in the second limit groove, so that the rotation of the wrench rod body installed between the first mounting shell and the second mounting shell is limited by the cooperation between the second limit groove and the limit plate, ensuring that the wrench rod body does not move relative to the first mounting shell and the second mounting shell when installed between the first mounting shell and the second mounting shell.

[0018] In one or more embodiments of the present invention, a plurality of first fixing screws are threadedly connected between the outer shell and the inner shell, and a plurality of threaded holes matching the first fixing screws are opened on the inner shell, so that the outer shell and the inner shell are stably installed by the first fixing screws.

[0019] In one or more embodiments of the present invention, a second fixing screw is threadedly connected between the lower sidewall of the wrench shank and the inner shell, and a threaded hole is formed in the lower sidewall of the wrench shank to match the second fixing screw. The second fixing screw further restricts the rotation of the wrench shank when installed between the first mounting shell and the second mounting shell, ensuring that the wrench shank does not move relative to the first mounting shell and the second mounting shell when installed.

[0020] Compared with the prior art, the present invention clamps and fixes the wrench rod body through a pair of mounting shells, and the pair of mounting shells are connected by the clamping between multiple limit rods and limit grooves and the clamping between the clamping plate and the clamping groove, ensuring that the wrench rod body is fixed stably. At the same time, the clamping method makes it easy to disassemble and assemble the pair of mounting shells, thereby making it easy to maintain and replace the internal components of the digital torque wrench. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments recorded in the present invention. For ordinary technicians in this field, other drawings can be obtained based on these drawings without paying any creative work.

[0022] Figure 1 A three-dimensional digital torque wrench with switchable display colors in one embodiment of the present invention Figure 1 ;

[0023] Figure 2 A three-dimensional digital torque wrench with switchable display colors in one embodiment of the present invention Figure 2 ;

[0024] Figure 3 This is a cross-sectional view of a digital torque wrench with switchable display colors in one embodiment of the present invention;

[0025] Figure 4 For this utility model Figure 3 Schematic diagram at A in the middle;

[0026] Figure 5 For this utility model Figure 3 Schematic diagram at point B in the middle;

[0027] Figure 6 This is a schematic diagram of the first mounting shell in the present invention;

[0028] Figure 7 This is a schematic diagram of the second mounting shell in the present invention.

[0029] Description of main reference numerals:

[0030] 1-digital torque wrench body, 11-first mounting shell, 12-second mounting shell, 1201-outer shell, 1202-inner shell, 13-wrench rod body, 14-color display plate, 15-digital display screen, 16-first mounting slot, 17-second mounting slot, 18-sleeve slot, 2-fixing assembly, 21-limiting rod, 22-first limiting slot, 23-arc-shaped limiting plate, 24-clamping plate, 25-clamping slot, 26-second limiting slot, 27-limiting plate, 28-first fixing screw, 29-second fixing screw. DETAILED DESCRIPTION

[0031] In order to enable those skilled in the art to better understand the technical solutions of the present invention, the following will be combined with the drawings of the embodiments of the present invention to clearly and completely describe the technical solutions of the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts should fall within the scope of protection of the present invention.

[0032] like Figures 1 to 3As shown, a digital torque wrench with switchable display colors in one embodiment of the present invention includes a digital torque wrench body 1 and a fixing assembly 2 .

[0033] like Figures 1 to 3 as well as Figure 6 and Figure 7 As shown, the digital torque wrench body 1 includes a first mounting shell 11 and a second mounting shell 12, which are docked together. A wrench rod 13 is installed between the first mounting shell 11 and the second mounting shell 12. The first mounting shell 11 and the second mounting shell 12 are used to fix the wrench rod 13. At the same time, the internal components of the digital torque wrench are installed in the first mounting shell 11 and the second mounting shell 12. A first mounting groove 16 is provided on the upper end wall panels of the first mounting shell 11 and the second mounting shell 12, and a second mounting groove 17 is provided on the lower end wall panels of the first mounting shell 11 and the second mounting shell 12. The upper and lower ends of the wrench rod 13 are respectively clamped in the first mounting groove 16 and the second mounting groove 17. The wrench rod 13 is fixed between the first mounting shell 11 and the second mounting shell 12 through the first mounting groove 16 and the second mounting groove 17.

[0034] like Figure 3 Combine Figure 5 As shown, the second mounting shell 12 includes an outer shell 1201 and an inner shell 1202 , and the outer shell 1201 is arranged on the outside of the inner shell 1202 .

[0035] like Figures 1 to 3 As shown, a color display board 14 and a digital display board 15 are installed on the outer wall of the first mounting shell 11. A plurality of color display boards 14 are provided. The plurality of color display boards 14 facilitates switching of display colors when the digital torque wrench is used.

[0036] Preferably, an anti-slip layer is provided on the inner side walls of the first mounting groove 16 and the second mounting groove 17, and the anti-slip layer on the first mounting groove 16 and the second mounting groove 17 abuts against the side wall of the wrench rod body 13, so that the wrench rod body 13 is stable when installed between the first mounting shell 11 and the second mounting shell 12 through the first mounting groove 16 and the second mounting groove 17.

[0037] like Figure 2 and Figure 3 As shown, a sleeve groove 18 is provided at the lower end of the wrench rod body 13, and a groove body is provided on the side wall of the sleeve groove 18. When a larger force is required when using the torque wrench, an auxiliary wrench is sleeved through the sleeve groove 18 so that the wrench rod body 13 can be driven to rotate when a larger torque is applied.

[0038] like Figure 6 and Figure 7As shown, the fixing assembly 2 includes a limiting rod 21, and a plurality of limiting rods 21 are provided. The plurality of limiting rods 21 are fixedly connected to the first mounting shell 11, and a plurality of limiting grooves 22 are provided in the second mounting shell 12. The front ends of the plurality of limiting rods 21 are respectively engaged in the plurality of limiting grooves 22. Through the cooperation of the plurality of limiting rods 21 and the limiting grooves 22, the first mounting shell 11 and the second mounting shell 12 are stably connected when docked together, and relative movement of the first mounting shell 11 and the second mounting shell 12 is avoided when docked together, so that the fixing of the wrench rod body 13 is stable. At the same time, the limiting rods 21 are installed in the limiting grooves 22 by a snap-fitting manner, making it easy to assemble and disassemble the first mounting shell 11 and the second mounting shell 12 when docking.

[0039] like Figure 6 and Figure 7 As shown, an arc-shaped limit plate 23 is fixedly connected to the limit groove 22. The arc-shaped limit plate 23 is attached to the side wall of the limit rod 21. The cooperation between the arc-shaped limit plate 23 and the limit rod 21 further improves the stability of the first mounting shell 11 and the second mounting shell 12 when they are docked together. At the same time, the arc-shaped limit plates 23 are arranged in a bilaterally symmetrical manner within the second mounting shell 12, so that the arc-shaped limit plates 23 on the left and right sides are arranged in a manner that deviates from each other. Therefore, the interaction between the arc-shaped limit plates 23 and the limit rod 21 can limit the relative movement between the first mounting shell 11 and the second mounting shell 12 when docked.

[0040] like Figure 6 and Figure 7 As shown, a snap-in plate 24 is fixedly connected to the side wall where the first mounting shell 11 and the second mounting shell 12 are in contact, and a snap-in groove 25 is provided on the side wall where the second mounting shell 12 and the first mounting shell 11 are in contact. The snap-in plate 24 is snapped into the snap-in groove 25, so that when the first mounting shell 11 and the second mounting shell 12 are docked, the snap-in plate 24 will be snapped into the snap-in groove 25. The cooperation between the snap-in plate 24 and the snap-in groove 25 can limit the stability of the first mounting shell 11 and the second mounting shell 12 after docking, ensuring that the first mounting shell 11 and the second mounting shell 12 will not separate, while also making it easy to disassemble and assemble the first mounting shell 11 and the second mounting shell 12 when docking. When the snap-in plate 24 is snapped into the snap-in groove 25, it is necessary to pry with a tool when separating, thereby ensuring that the first mounting shell 11 and the second mounting shell 12 are not easily separated during normal use.

[0041] like Figure 3 Combine Figure 4As shown, a second limiting groove 26 is provided on the side wall of the upper end of the wrench rod body 13, and a limiting plate 27 is integrally formed at the upper end of the inner shell 1202. The limiting plate 27 is sleeved in the second limiting groove 26, thereby limiting the rotation of the wrench rod body 13 installed between the first mounting shell 11 and the second mounting shell 12 through the cooperation between the second limiting groove 26 and the limiting plate 27, ensuring that the wrench rod body 13 does not move relative to each other when installed between the first mounting shell 11 and the second mounting shell 12.

[0042] like Figure 3 Combine Figure 4 As shown, a plurality of first fixing screws 28 are threadedly connected between the outer shell 1201 and the inner shell 1202, and a plurality of threaded holes matching the first fixing screws 28 are opened on the inner shell 1202. The first fixing screws 28 ensure that the outer shell 1201 and the inner shell 1202 are stably installed.

[0043] like Figure 3 Combine Figure 5 As shown, a second fixing screw 29 is threadedly connected between the lower side wall of the wrench body 13 and the inner shell 1202. A threaded hole is formed on the lower side wall of the wrench body 13 to match the second fixing screw 29. The second fixing screw 29 further restricts the rotation of the wrench body 13 when installed between the first mounting shell 11 and the second mounting shell 12, ensuring that the wrench body 13 does not move relative to each other when installed between the first mounting shell 11 and the second mounting shell 12.

[0044] When in use, the wrench rod body 13 is placed between the first mounting shell 11 and the second mounting shell 12, and the first mounting shell 11 and the second mounting shell 12 are docked together. When docking, the first mounting shell 11 and the second mounting shell 12 are squeezed to make the first mounting shell 11 and the second mounting shell 12 close to each other, and the front ends of the plurality of limit rods 21 are clamped in the limit grooves 22. At the same time, when the first mounting shell 11 and the second mounting shell 12 are docked in place, the clamping plate 24 will be clamped in the clamping groove 25, and the arc-shaped limit plate 23 fixedly connected to the limit groove 22 will fit on the side wall of the limit rod 21, so that the cooperation between the limit rod 21 and the limit groove 22, the cooperation between the arc-shaped limit plate 23 and the clamping plate 24, and the cooperation between the arc-shaped limit plate 23 and the limit rod 21 makes The wrench rod body 13 is stably installed between the first mounting shell 11 and the second mounting shell 12. At the same time, when the first mounting shell 11 and the second mounting shell 12 are docked, the limit plate 27 will be sleeved in the second limit groove 26, and the second fixing screw 29 is threadedly connected to the inner shell 1202 and the wrench rod body 13 to ensure that the wrench rod body 13 is stable when used after installation; when the components inside the digital torque wrench need to be maintained, the clamping plate 24 is disengaged from the clamping groove 25 under the prying of external force, and the separation between the first mounting shell 11 and the second mounting shell 12 can be achieved, thereby facilitating the disassembly and assembly between the first mounting shell 11 and the second mounting shell 12, and further facilitating the maintenance and replacement of the components inside the digital torque wrench.

[0045] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

[0046] In addition, it should be understood that although this specification is described in terms of implementation methods, not every implementation method contains only one independent technical solution. This narrative method of the specification is only for the sake of clarity. Those skilled in the art should regard the specification as a whole. The technical solutions in each embodiment can also be appropriately combined to form other implementation methods that can be understood by those skilled in the art.

Claims

1. A digital torque wrench with switchable display colors, characterized in that: include: The digital torque wrench body includes a first mounting shell and a second mounting shell, the first mounting shell and the second mounting shell are butted together, a wrench rod is installed between the first mounting shell and the second mounting shell, a first mounting groove is formed on the upper end wall panels of the first mounting shell and the second mounting shell, and a second mounting groove is formed on the lower end wall panels of the first mounting shell and the second mounting shell, and the upper and lower ends of the wrench rod are respectively clamped in the first mounting groove and the second mounting groove; The fixing assembly includes a limiting rod, and a plurality of limiting rods are provided. The plurality of limiting rods are fixedly connected in the first mounting shell, and a plurality of limiting grooves are provided in the second mounting shell. The front ends of the plurality of limiting rods are respectively clamped in the plurality of limiting grooves.

2. A digital torque wrench with switchable display colors according to claim 1, characterized in that: The second mounting shell includes an outer shell and an inner shell, and the outer shell is arranged outside the inner shell.

3. A digital torque wrench with switchable display colors according to claim 1, characterized in that: A color display board and a digital display board are installed on the outer side wall of the first installation shell, and a plurality of color display boards are provided.

4. A digital torque wrench with switchable display colors according to claim 1, characterized in that: An anti-slip layer is provided on the inner side walls of the first mounting groove and the second mounting groove, and the anti-slip layers on the first mounting groove and the second mounting groove abut against the side walls of the wrench rod body.

5. The digital torque wrench with switchable display colors according to claim 1, characterized in that: A sleeve groove is provided at the lower end of the wrench rod body, and a groove body is provided on the side wall of the sleeve groove.

6. A digital torque wrench with switchable display colors according to claim 1, characterized in that: An arc-shaped limiting plate is fixedly connected to the limiting groove, and the arc-shaped limiting plate is attached to the side wall of the limiting rod.

7. A digital torque wrench with switchable display colors according to claim 1, characterized in that: A clamping plate is fixedly connected to the side wall where the first mounting shell and the second mounting shell are in contact. A clamping groove is provided on the side wall where the second mounting shell and the first mounting shell are in contact. The clamping plate is clamped in the clamping groove.

8. The digital torque wrench with switchable display colors according to claim 2, characterized in that: A second limiting groove is formed on the side wall of the upper end of the wrench rod body, and a limiting plate is integrally formed on the upper end of the inner shell, and the limiting plate is sleeved in the second limiting groove.

9. The digital torque wrench with switchable display colors according to claim 8, characterized in that: A plurality of first fixing screws are threadedly connected between the outer shell and the inner shell, and a plurality of threaded holes matching the first fixing screws are opened on the inner shell.

10. A digital torque wrench with switchable display colors according to claim 9, characterized in that: A second fixing screw is threadedly connected between the lower end side wall of the wrench rod body and the inner shell, and a threaded hole matching the second fixing screw is opened on the lower end side wall of the wrench rod body.

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