TW503162B - Torque wrench - Google Patents

Abstract

A torque wrench which can combine a combination of open end ring spanners, closed end ring spanner, and open end spanners, together with a means for automatically marking set nuts. The torque wrench comprises a first spanner with a first shank which extends into one end of a principal tube and which is pivotally secured therein by a first head-pin, the first shank having an end which co-acts with a first spring-loaded roller assembly within the tube, and wherein a second spanner with a second shank extends part-way into the other end of the tube, the second shank having an end which co-acts with a second spring-loaded roller assembly within the tube in an opposite direction to the first shank, said second shank being adjustable longitudinally with respect to the principal tube so as to set the tension in a spring, which tensions both the first and second spring-loaded roller assemblies, whereby the torque applied through the first spanner to nut or the like is set to a predetermined amount. The marking arrangement comprises a proximity switch associated with the rocking action and an ink injector with nozzle extending through the spanner.

Description

V. Description of the invention (1) Background of the invention The present invention relates to a torque wrench, a combined open-end plum wrench, and a closed-end type to effective spanner wrenches. The present invention also takes into account a kind of torsion and open-end wrench. A torque wrench h is used as a nut lock. == shooter 'device is marked on the notebook. After the required torque angle, can be used in the nut-generally with a sleeve 及 的: m screw and bolt locking degree, for ring or open-end wrenches: this ::::: when the working conditions are only suitable for bulky胄 For use and preparation, the combined tool attached to the sleeve head will show _ ，. There are a lot of machines and equipment that need to be locked to the rated torque. Not only will it cause coloring and time consuming, but it will also be easy. Made.,. Θ The first job worker is not here, when he repeats the tightening work, he is not one; the cap is tightened. Furthermore, the operator usually-times', = but one or more of these nuts may forget to assemble to the rated torque. At this moment, ‘field nuts are subsequently inked, which of these nuts are completed or unfinished, and screws that are not set to a torque setting are also inked. It is clear that snails, inks, and similar industrial environments occur in many human error situations. OBJECTS OF THE INVENTION The object of the present invention is to provide a torque wrench to eliminate the above-mentioned bulky problems and to be used in a restricted environment.

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Contains a first wrench: solid (m: shank to provide a kind of torque wrench, the middle attachment i is firmly mounted on the pivot with the first tip: Hi to the tube two spring rollers are installed on the first The two ends of the handle and the first piece. The above is called the second handle, which can be used according to the main pipe; set the tension of the spring (tighten the first and second devices; "= ^, du through the first wrench through the value The torque is transmitted to the nut, and the predetermined torque is achieved.-Month: Another embodiment also provides-a type of torque wrench including ::: The handle of the handle can extend into a tube '1 with a tip firmly 5 On the pivot, the end of # works with a spring-loaded roller mounted in the tube. The above-mentioned wrench is a nozzle-type inkjet device that includes an adjacent switch device and a penetrating wrench. This device and The arrangement can be used for the vibration generated when the wrench handle and the tube are assembled with the nut, and the adjacent switch will generate a signal, and the ink can be sprayed from the inkjet device to the nut with the rated torque through the nozzle. Detailed description of the invention

503162

Adjacent switches can be positioned above, to the side of the torque wrench tube, or for purposes of specific torque. The arrangement of this inkjet device is a combination, and the side or above of the precision wrench according to the present invention. In the foregoing embodiment of the present invention, the tube moves and passes through the correction pivot pin to extend the portion. For this extension, a first diameter dimension moved in the end region of the first tube to restrict the movement on the main tube. The main tube can be modified with a second handle, and a torque setting sleeve is locked at the inner end of the second tube. It can be used to adjust the lock torque. It can provide the design and use purpose of the lock nut wrench, inside the device. The priority embodiment of the present invention and the original two embodiments described above can be used as a proximity switch. The second handle of the second wrench is representatively installed. The length can be adjusted in the main tube to a suitable extension design. Second tube. Preferably, the second tube has two kinds of momentum. The position of the relevant length means that it is reached by the nut of. A combination tightening nut can be loosened or can more appropriately set the required torque. More preferably, the spring tension means that the first and second roller devices generally include a coil spring connected coaxially with the main tube. The spring guides are mounted on the first and second handles at the ends of both sides of the spring, which can be used to provide a smooth and regular spring expansion and contraction to set the torque to the required tolerance. The end areas of the first shank and the second open end wrench are connected to the roller assembly, and may include a conventional torque application arrangement. This arrangement is in the roller assembly, protruding on an inclined surface that is complementary to the inclined surface of the shank end. When the set torque is reached, the sawtooth position and the collision of the inner wall of the hollow tube. Once the inclined surface of the shank end changes, an impact sound and a sudden Reduced torque can alert the user of the lock nut.

503162 V. Description of the invention (4) The torque wrench can also be extended through the center of the wrench mechanism to the pivot tip to adjust different torques, allowing a single torque at one end, that is, different torque settings at the other end. This allows a wrench with different numbers at both ends, a single torque setting at one end, and the same torque at the other end or a completely different torque. Brief description of the drawing is a longitudinal sectional view of a torque wrench according to an embodiment of the present invention. Second is a cross-sectional side view of a torque wrench and a switch part according to another embodiment of the present invention. FIG. The top view of the cross section of the wrench and the switch part Figure 4 is still according to another embodiment of the present invention. The top view of the cross section of the torque wrench and the switch part is similar in all drawings for reference data, please refer to similar parts 10 First open end wrench 11 First Handle 12 First 丨 An open end wrench 13 No. 14 Main tube 15 16 End 17 18 Roller assembly 19 Coil spring 20 21 Locust shaft tip 22 Tube 24 25 Auxiliary tip 26 Nut drawing

503162

27 Sleeve 4 0 Wrench 42 Guide tube 44 Wire 46 Ink tube 48 Sensor arm 3 0, 31 Screw 41 Handle 43 Switch 45 Ink syringe 47 Nozzle 50 Switch The solid end wrench 10 is diagnosed, and the opposite sides of the first protruding main tube 14 having the second handle 13 are opposite. Open-end wrenches 12 with a first shank 11, each. The second handle 13 and the tube 22 are installed in two main sizes. The first handle 11 is fixed by the pivot pin 20 and fixed by the pivot pin 21 on the outside of the second axially movable tube 14 . The second axially movable tube "limits its movement on the main tube 14. Regarding the ends of the wrench shank 15, U 17, 18, the bevels interact with each other and are supported by rotational tension. The bevels of the handles 15, 16 are under load In the following, the tips related to the pin compression rotate on the pivot pins 20 and 21. When the tip has a slope and rotates with the roller assembly, the ends of a coil spring 19 each have auxiliary pins 24 and 25. When Roller assembly 17, 18, so that the handle torque setting can be adjusted by moving the second tube 22 on the main tube 14, that is, adjusting the nut 26 attached to the thread on the main tube 14. An adjacent torque setting The sleeve 27 can be read to adjust the torque to the desired setting. 503162

The restriction screws 30, 31 are relatively located on the first handle! The second handle 13 enables the preset value of the torque-related angle to indicate the amount of movement of the first open end 12.罘 Twist 1 is Twist 1 according to the center point of the first open end wrench 1Q to the pivot tip: the arm length L corresponds to the length of the arm from the pivot tip 20 to the roller tip 24 " M " The ratio is multiplied by the spring force. Increasing the spring tension can increase the torque applied to the workpiece. Here, an indicator can be provided to make a clear sound, and the correct torque to achieve the preset value can be indicated by the action of the wrench. The extension can also be extended to the wrench mechanism. Center way, set different twist

The force allows a certain torque, but the other end can be set differently. There may be wrenches with different numbers at both ends. One end has a single torque. The other end can be a wrench with the same torque or a completely different torque. For parts other than the torque reading, note the torque table adjacent to the wrench and the torque setting sleeve. Although this entity has indicated a torque wrench with two open ends, it also includes open-end plum wrenches, closed-end wrenches, and all possible wrench combinations, all of which will apply equally.

This torque wrench can be effectively used in on-line assembly design, suitable for narrow spaces or nuts that are not suitable for socket wrenches. A typical example of this demand is the assembly of fluid lines such as hydraulic f or compressed gas. Refer to Figure 2 for sleeve-type torque wrenches. This torque wrench includes a wrench 40 with a handle 41 and a general vibration mechanism. The guide tube 42. An externally precisely adjacent switch 43 is mounted on the side of the tube and is electronically connected to the pressure reservoir by a wire 44

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The syringe 45 is mounted on the handle 41 and is connected by the ink tube 46 to the ink syringe 45 through the wrench 40 and has an outlet slot (not shown in the figure). The ink is connected to the ink tank. The nozzle 47 is a nut lock from the oil. During operation, when the nut torque is applied to the nut arm 48, the nozzle 47 inside the switch triggers the ink to the nut, thus achieving the torque setting standard. It is set that the handle 41 vibrates and applies force to the coil. This warning pressure ink tank is also marked on the screw cap by spraying, which indicates that the function is similar to that shown in Figure 3. side. A configuration diagram of a torque wrench. The difference from the structure shown in Figure 2 is that the switch 4 is installed on the side of the torque wrench. Figure 4 shows the inside of a torque wrench. Most of the examples are similar. ′ 、 Configuration diagram ’The switch 50 is installed in a torque wrench. The function and operation phase shown in Fig. 2 are different. Although the present invention may vary from person to person, there is no scope. Exemplary examples have been proposed, and many amendments and variations deviate from the broad field and scope of the present invention.

Claims (1)

503162 VI. Application Specialty ® --a ^, τ 1 The torque wrench includes a first _ 4 protruding into a main tube, a wrench (with a first handle), the end of the first handle and the first 1 ^ A large tip is firmly mounted on the stern shaft, and there is a second wrench (a roller with a spring-spring is installed in the tube for common operation, and the end of the second handle and the second handle have a handle). At one end, the tube works together. The above moxibustion potential κ is set from Chen Yu in the opposite direction to the first handle to set the J f of the impeachment. The handle can be adjusted according to the needs of the main tube. (Tighten the first and second mounted rollers to a predetermined torque value. A wrench, by which the torque is transmitted to the nut, etc., to reach the μ-Γ :: the torque described in the patent dry enclosure The wrench and the second lever can be moved on the main tube, and the length can be adjusted to the extendable part within the main storm through the correction of the pivot pin. The tightly extending part refers to the second " core that can be moved in the end region of the main pipe. 4. As for the torque wrench described in item 2 of the scope of patent application, the axial position of the second handle at this point is related to the main pipe, which is set by the "quote" and the tail nut locked in the second pipe. 5. The torque wrench according to item 1 of the scope of patent application, where the spring tension means the first and second roller devices and a coil spring including a μ coaxial connection. ΜΆ 9Q11973B VI. Patent application scope Β Amendment The torque wrench described in Item 5 of the patent scope of the monthly patent: springs are guided at the ends of both sides of the tile but are in contact with the ends of the first and second handles. Within the assembly V, the torque wrench as described in the first item in the range of benefits. When the roller reaches the set torque, the sawtooth position 2 slope is complementary to the slope. When the movement reaches%, the impact sound will occur and the torque will suddenly decrease. 8. A torque wrench sentencer> in the tube 'and with a wrench with a stable tip can be extended-only a spring-loaded roller is installed in the tube' t = the shaft, the end of the handle and the adjacent switches Device and a ^: At first, the above-mentioned wrench includes a nozzle-type inkjet device that can be used for triggering when the valve is split and arranged, and the adjacent switch will generate a shock generated when the nut is assembled. The device 'sprays through the nozzle to the two' Tigers' >, and the ink can be used on the nut of the inkjet battle collar by ink. 9. The switch is installed above the torque wrench tube as described in item δ of the scope of patent application. For the torque wrench described in the above, the neighboring 10 is as described in item 8 of the patent application scope, and t 仏 4 switch is installed outside the torque wrench tube. For the torque wrench described in the hall, the adjacent 11 is as described in item 1 of the patent application scope. Torque wrench, also contains Page 14 503162 Case No. 90Π9735 This July / Year Amendment VI. Patent Application Scope An externally mounted proximity switch and ink syringe are attached with a nozzle that penetrates the second wrench. When the second wrench reaches the nut setting Standard, shake to the tube, the proximity switch will generate a signal to make the ink color on the nut through the nozzle through the syringe. Page 15