TWI277493B - Electronic torque wrench featured with alarming effect - Google Patents

Abstract

Disclosed is an electronic torque wrench featured with alarming effect, including: a head end, a body for a handle portion, a strain gauge unit mounted to the head end; an alarming unit, and a CPU mounted on the body. The handle portion has a surrounding wall and receiving compartment. The alarming unit is installed in the receiving compartment and includes a driven member for a rotation portion, a first alarming member provided to the surrounding wall, and a second alarming member provided to the rotation portion. The CPU is electrically connected to the strain gauge unit and the driven member. When the CPU determines that the torque value as measured by the strain gauge unit is no less than a predetermined reference values, the CPU is able to drive the rotation portion to cause the first and second alarming members to collide to each other.

Description

Ί 277493 IX. Description of the invention: [Technical field of the invention] The present invention relates to a wrench swaying another 逖- 知 疋 一种 一种 可 可 可 可 【 【 【 【 【 【 【 【 【 【 【 【 【 . ... 斤 示, 知知 - an electronic torque wrench with warning function (Wu Guo patent No. (4)), including - ratchet

1 connected deformation rod 2, number η ", ; "Hail ratchet head on the 5th cross-shaped rod 2 on both sides of the regulation 2 disk ^ on the (four) rod 2 handle 4, - installed in the handle 4, a circuit board 5 electrically connected to the temple strain gauge 3, a warning device 6 installed in the handle 4 and electrically connected to the circuit board 5, and being installed in the handle * and the circuit The board 5 and the battery 7 electrically connected to the warning device 6. The warning device 6 has a motor 6〇1 and an eccentric block 602 eccentrically mounted on a rotating shaft of the motor 6〇1. When the wrench is rotated by a wrench (not shown), the variable gauge 3 can transmit the torque value to the circuit board 5. Then, when the circuit board 5 determines that the torque value is not less than one When the reference value is preset, the circuit board 5 can drive the motor 6〇1 to rotate the eccentric block 6〇2, so that the motor 601 is shaken by the block 602, thereby causing the handle 4 to feel a shaking feeling [so]. The user can be alerted to stop the force application. Although the wrench can use the warning device 6 to generate a shake to alert the user, When used, the wrench has the following defects. The sensitivity of the shaking of different users is not the same, and if the user of -1277493 is shaken in the warning device 6, it is slightly loosened. That is, the handle may be neglected. 4 " The main mouth of the soil is not alarmed. Therefore, the warning device of the early warning of the warning device 6 is shaken, and the warning effect is applied to the user. SUMMARY OF THE INVENTION Therefore, the object of the present invention is to provide an electronic torque wrench capable of simultaneously generating vibration and a non-swaying warning function. The invention has an alarm function electronic & h π i seat material, „ 扭 扭 扭 ' ' 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 、 The body has a portion and a handle that is coupled to the head and extends along the axial direction. The handle portion has a surrounding wall and a surrounding portion surrounded by the surrounding wall. The strain sensing unit is mounted on the head. The warning unit is installed in the accommodating space, and the warning unit comprises: a driven # having a rotating portion, a first sighing member placed on the surrounding wall, and - disposed on The second warning member on the rotating portion, when the rotating portion rotates, the two: the warning members can collide with each other. The central processing unit is installed on the X-top. The central processing unit is connected to the strain sensing unit and the driven cattle. The three-chamber central processing unit determines that the strain sensing measures a torque 佶, π, μ And a predetermined processing value, the command processing unit can drive the rotating portion of the driven member. [Embodiment] The prior art and other technical contents, features, and effects of the present invention will be apparent from the detailed description of the preferred embodiment of the Ύ ^ ^ m ^ ^ 157 157 formula. 6 1277493, before the detailed description is made, it is to be noted that in the following description, the elements are denoted by the same reference numerals. 1 Mai, Figure 2 is a first preferred embodiment of the electronic torque wrench with warning function of the present invention. As shown in Figures 3, 4 and 5, the electronic torque wrench having the warning function comprises: a body-strain sensing unit A 20, a warning unit 30, a central processing unit 40, and a power supply unit 5A.

The body has a head 丨1, and a handle that is sleeved with the head 11 and extends along the -axis X. The head U has a ratchet head (1)' and a deforming rod 112 extending from the ratchet head 1U. The handle portion Η has a surrounding wall 121 and an accommodating space 122 surrounded by the surrounding wall 121. The surrounding wall 121 has an inner peripheral surface m. The strain sensing unit 20 is mounted on the side of the deforming rod 112 of the head sill. The strain sensing unit 2 has a strain body 21 mounted on the side of the deforming rod u2, and is mounted on the strain sensing unit 2 The wafer on the strain body 21 has a whole gas strain gauge 22 and a package seedling plate 23 fixed to the outer side surface of the strain body 21. In the present embodiment, the wafer integrated strain gauge 22 is formed with a plurality of resistors on a substrate in a microelectromechanical process and electrically connected to the package cover 23. The warning unit 30 is mounted in the accommodating space 122. The warning unit 30 includes a driven member 31 having a rotating portion 311, and a rubber sleeve 32 sleeved on the driven member 31. The warning member 33 on the surrounding wall i2l and a second warning member 34 mounted on the rotating portion 311. In the present embodiment, the driven member 31 is a motor, and the rotating portion 3U is a rotating shaft. The rubber sleeve 32 is sleeved on the inner surface 123 of the circumference _121 and has a 1277493 opening 321 through which the rotating portion 311 can pass through the axial direction. The second warning member 34 3 is made of a metal material to the X-interval -i, and has a plurality of teeth 341 extending outwardly around the shaft 33 3 . The first invitation member 33 is made of a metal material, and s does not have a loop 331 on the peripheral surface 123: fixed to the inside of the wall 121, the private I and a path from the coil M1 Extending inward = reed 332 between the turns (4). The temple teeth 341 can strike the reed 332 in sequence. The central processing unit 40 is installed in the handle ... accommodating space 122, and the center:: the strain sensing unit 2 〇 奸 兀 兀 兀 4 (j疋 is connected to the electrical connection. In the case of the too, the daily compliant strain gauge 22, the driven member 31, the central processing unit is made up of a circuit board, and also has a conventional road plate The components of the bridge, the amplifier, the recorder, and the ,ίΓ, however, are not the request of the case, so I will repeat them. Month U U, so as shown in Figures 4 and 6, the mine In the accommodating space 122 of the σ, the ## 疋 clothing is disposed in the handle portion of the central processing unit 4. = 兀 50 is the same as the driven member I is a battery. ^, electric early 50 borrow Therefore, as shown in FIG. 4, the sA π - up-moving-work piece (the figure is not ready for the user to use the invention), the chip integrated strain gauge 22 can transmit the signal to the central processing unit 4 〇, the: - 40 can be changed according to the resistance of the servant 1 啼 斤 丄 丄 丄 丄 丄 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处 处The force value is ::40 to determine the strain sensing unit 2. When the amount is not small gray, a predetermined reference value, the central processing unit •1277493 4〇 can drive the driven member 31 to sequentially strike the blade 332. Mf makes the (four) teeth 341 two pieces and produces the vibration and impact sound of the continuous performance, so that the user can be continually sensed and hit by the vibrating;; ^ stop and continue to apply force. The ear and stomach do not pass The above description can further summarize the advantages of the present invention as follows: The warning unit 3G of the present invention sequentially strikes the cyan 332's in addition to the f-tooth 341, in addition to allowing the user's hand to perceive a continuous alert vibration feeling.

'At the same time, it can produce continuous impact sounds and alert the user through the hearing. Therefore, the user can warn the user by the swaying action compared with the prior art. The present invention can be used by using the double warning function (feel + hearing). The person has a clear warning effect. In addition, it can be understood that the strain sensing single & 20, the police 7G 30, the central processing unit 40 and the power supply unit 5〇 have appropriate circuit connection relationship, however, this is not the case. The focus of the request is therefore not specifically disclosed in the schema of the case. The present invention is a second preferred embodiment of the present invention. The second embodiment is similar to the first preferred embodiment, and the first difference is that the first warning of the present embodiment is The member 35 has a first impact surface portion 351 disposed on the inner peripheral surface 123 of the surrounding wall 121, a second striker surface opposite to the first hand surface portion 351 and spaced apart from the first impact surface portion 351 4 3 52, and an interval surface portion 353 which is disposed on the inner peripheral surface 丨 23 and is connected between the first and second impact surface portions 351 and 352. A second warning member 36 of the present embodiment has a fixing portion 361 fixed to the rotating portion 311 of the driven member 9 -1277493 31, and the door portion 0 extends radially outwardly from the fixing portion 361. The first slab 362, and the second reed 363 extending from the fixing portion 361 in the radial direction and opposite to the first reed 362. The first and second impact faces 351, 352 to the fixing portion 361 may respectively define a - spacing distance m. The first and second jaws, for example, the free ends 364, 365 to the fixed portion 361, respectively define a revolution (four) H2. An idle distance H3 is defined between the interval portion 353 and the fixed portion 36i. In the present embodiment, the turning distance H2 is greater than the spacing distance 钔', and the turning distance H3 is greater than the turning distance 隹H2, such that when the central processing unit 40 drives the rotating portion 3 of the driven member 3丨At 11 o'clock, the first and second reeds 362, 363 can sequentially strike the first and second impact faces 351, 352 to produce a continuous vibration and impact sound. Thus, the second preferred embodiment can achieve the same objects and effects as the first preferred embodiment described above. Referring to FIG. 9 and FIG. 10, a third preferred embodiment of the present invention is similar to the first preferred embodiment, and the difference is that the first warning of the embodiment is The member 37 is sleeved on the inner peripheral surface 123 of the surrounding wall 121 and 'the first warning member 37 has a plurality of teeth 371 disposed at intervals along the axial direction X and extending inward in the radial direction. A second warning member 38 of the embodiment has a fixing portion 381 fixed to the rotating portion 311 of the driven member 31, and a radial extending outward from the fixing portion 381 to the adjacent teeth 371. Reed 382 between. Thus, when the rotating portion 311 of the 10-1277493 31, the 'spring produces continuous vibration and impact. The central processing unit 40 drives the driven member piece 382 to sequentially strike the teeth 371 to sound. . The second preferred embodiment of Hai also applies the same purpose and effect. The above-mentioned brothers of the soldiers - better to sum up the above, the invention can only be continuous sound...-: electronic torque wrench, non-reverse shellfish vibration feels no user, 盩 盩 知 占 m + U It’s a continuous collision

#耳音言知用户, and produces double to the purpose of the invention. § 不 效果 确实 确实 确实 上 上 上 上 上 上 上 上 上 ' ' 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 。 The simple equivalent changes and repairs made are still within the scope of the invention patent.

11 1277493 BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a cross-sectional view of a conventional electronic torsion wrench with a warning function; FIG. 2 is a perspective view of a first preferred embodiment of the electronic torque wrench with warning function of the present invention; Figure 3 is an exploded perspective view of the first preferred embodiment; Figure 4 is a cross-sectional view of the first preferred embodiment, and Figure 5 is a cross-sectional view of the 5-5 cut line of Figure 4; BRIEF DESCRIPTION OF THE DRAWINGS FIG. 7 is a cross-sectional view showing a second preferred embodiment of an electronic torque wrench with a warning function according to the present invention; FIG. 8 is a cross-sectional view of the 8-8 cutting line in FIG. Figure 9A is a cross-sectional view of the third preferred embodiment of the electronic torque with the warning function of the present invention; and Figure 1A is a cross-sectional view of the 10-10 cut line in Figure 9. 12 1277493

[Main component symbol description] ίο * * Body 11... Head 111 * Ratchet head 112 * Deformation bar 12... Handle portion 121 · Surrounding wall 122 * Housing space 123 * Inner peripheral surface 20... Strain sensing unit 21 * * Strain Body... Chip integrated strain gauge 23 '· Package cover 30... Warning unit 31... Driven part 311 · Rotating part 32 ♦ · Plastic sleeve 321 · Opening 33, · First warning part 331 · Reed 332 * Reed 34... Second warning member 341 * Gear tooth 35... First warning member 351 * First impact surface portion 352 * Second impact surface portion 353 * Spacer portion 36 * * Second warning member 361 · Fixing portion 362 * First reed 363 * Second reed 364 * Free end 365 · Free end 37... First warning member 371 * Gear teeth 38 * * Second warning member 381 · Fixing portion 382 * Reed 40 · · Central processing unit 50 · Power supply unit X · * Car to H1 · · Separation distance H2 · * Swing distance H3 · · Idling distance 13

Claims (1)

1277493 X. Application for Patent Park: An electronic torque wrench with a warning function, comprising: a body' with a right one, ^, ψ 6, and a head, and one connected to the head and extending along an axial direction a handle portion ^, the handle portion has a surrounding wall, and a 班 旧 由 — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — — The display unit is mounted in the accommodating space, and the driven member of the rotating portion of the warning unit is disposed on the surrounding portion of the surrounding wall, and the Α Α is disposed on the rotating portion The second warning component, when the rotating part rotates, one by one, Shishan ancient ~, one ¥, can not collide with each other; and the unit is 'mounted on the body, the central processing::... strain sensing The unit and the driven member are electrically connected. When the central processing unit draws a bucket + ^ ^ 小于 less than one...: the strain sensing unit measures - the torque value is not, the pre-5 and the reference value, # σ The rotating part of the piece. She can drive the drive. According to the scope of the patent application, the electronic torque wrench of the flute _, _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ The teeth of r, the first engine member is an inner circumferential surface of the ancient wall, and the media ΰ ring is disposed around the door to the adjacent gear teeth, and the mouth extends inwardly. Between the sheets, when the central processing drive member rotates Qiu ^ early 兀 drive the 守 守 '''''''''' , wherein the first electronic slave torque wrench ^, the younger brother does not have a first inner 4th face of the first 揞敏国% wall disposed on the plaque of the surrounding station, the second warning The piece has a fixing portion mounted on the portion of the turn 14 1277493, and a distance from the first 箬Η #μ Π of the fixing portion extending outwardly from the impact surface to the fixed portion can be defined - determining - the younger brother - a free end of the greedy sheet is boundable to the fixed portion. The turning distance is greater than the spacing distance. When the processing is performed, the rotating portion of the driven member is driven early. The first impact face is struck. 4 brother - more film 4. The electronic torque wrench with the warning function of the third item of the patent scope in the root of the patent, the surface ... Γ - the warning piece has more - the second inner circumference of the surrounding wall - the second part of the impact surface Impacting the face, the first one of the first face 4 is spaced apart from each other, the second warning member further has a solid outer portion and opposite to the first ... - the second:: face to the fixed portion The distance between the distances can be defined: the distance from the free end of the sheet to the fixed portion can be defined. The distance of the turning distance is greater than the spacing distance when the central processing unit drives the driven member. When turning the part, the 'the first and the second slabs; the y 4 hit the first and the second hit the face. ... According to the patent application scope 4, wherein the first, :::, not the pen torque The wrench is connected to the first surface, and is disposed on the inner peripheral surface of the inner peripheral surface to the fixed portion: the sloping distance between the portions. , Μ I < K 33⁄4 turn distance 6. Root: the patent application scope " member of the alert function, wherein the first invitation + 1 θ + ^, , μ calf set on the surrounding wall The inner peripheral surface has a number of rounds extending around the vehicle and extending radially inwardly toward the inner 1 15 277 493. The whistle-one phoenix warning device has a mounting portion mounted on the rotating fixed portion, and a When the fixed portion of the pπ 丨 extends along the warp direction to the adjacent side, when the a-J is in the middle, the processing unit drives the rotation of the driven member. The pieces can strike the teeth in sequence. 7. According to the scope of the patent application, and ^1, the electronic torque wrench with the warning function of the target ang ang has a - deformation rod, and the strain sensing unit has the strain on the _ 2: 幵 4 The body, the crystal i-type strain gauge installed on the strain body, and the eyepiece are mounted on the strain body to mount the plate 8 according to the application of the windshield. , D ▲ 11 electronic brothers with a warning function of the electronic torque wrench: Λ central processing unit 70 疋 installed in the handle of the accommodating space 9 · Γ / patent range of the first item of the warning function of the electronic Torque wrench, in the 'the driven part is a motor, the rotating part is a rotating shaft 1 〇. According to the patent application scope 帛 9 items, Ganzi knife ^ ^ electronic torque wrench set ' ^ warning unit Furthermore, the glue is sleeved on the driven member, and the rubber sleeve has a hole through which the rotating portion can pass, and 4 a rubber sleeve is sleeved in an inner wall of the surrounding wall. f ^ «7 Γ 〇 艮 艮 艮 艮 艮 艮 a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a a The electric power supply unit X is electrically connected to the driven member and the central processing unit.