CN219901947U - Combined digital display torque wrench - Google Patents

Abstract

The utility model belongs to the field of hand tools and automobile repair wrenches, and particularly relates to a combined digital display torque wrench. Can be split into a plurality of sections to replace, combine and store the spanner rod and the torsion head respectively. The torque digital display device comprises a handle, a spanner rod tube and a torque head, wherein the handle is provided with a torque digital display, an insertion tube is arranged in a hollow mode in the head end of the handle, a tail tube insertion section is arranged at the tail end of the spanner rod tube, the tail tube insertion section is inserted into the insertion tube, a conical lock sleeve is further arranged at the head end of the handle, and the conical lock sleeve is sleeved with a sleeve tube to fix the spanner rod tube; the torque head is provided with a connecting handle, the connecting handle is provided with a pin shaft screw hole, the connecting handle is inserted into the spanner rod tube, the pin shaft through hole is inserted into a pin shaft nut, the pin shaft nut is screwed into the pin shaft screw hole, and the torque head is fixed at the head end of the spanner rod tube. The handle, the spanner rod pipe and the torsion head are divided into 3 independent part sections, when the spanner rod pipe is used, the head end of the handle is inserted into the spanner rod pipe, and the torsion head inserts the connecting handle of the spanner rod pipe.

Description

Combined digital display torque wrench

Technical Field

The utility model belongs to the field of hand tools and automobile repair wrenches, and particularly relates to a combined digital display torque wrench.

Background

Torque wrenches are generally referred to as torque wrenches for removing and installing nuts. The torque sensor can sensitively and effectively convert applied torque into an electric signal, the display instrument performs intelligent digital and imaging processing, and the torque value is accurately displayed on the digital display according to a preset working mode; for example, an adjustable digital display torque wrench with a patent number of CN202221109664.8 comprises a handle, a wrench head, a connecting piece and an adjusting wrench, wherein the wrench head is arranged at one end of the handle in an integrated manner, the connecting piece is arranged on the wrench head in a matched connection manner, the adjusting wrench is fixedly arranged on the connecting piece, the adjusting wrench consists of an outer sleeve, a gear ring and clamping jaws, the gear ring is arranged in the cavity of the outer sleeve in a matched manner, the adjusting wrench arranged by the clamping jaw device is arranged in the cavity of the gear ring in a matched manner, the adjusting wrench can be suitable for disassembling nuts with multiple sizes, the nuts with different sizes can be used by adjusting the opening size of the clamping jaws, the problem of frequently replacing the adapting wrench is solved, the wrench can be conveniently replaced for use in different application ranges, meanwhile, the wrench is firmly installed, the phenomenon that the sliding connection of the wrench is not firm can not occur during screwing, and the whole using effect can be improved;

the digital display torque wrench in the prior art is suitable for nuts of different sizes, but the torque heads of the wrench head and the wrench are not really replaced, the connecting piece is only short and small in order to apply force, the digital display torque wrench is adaptive to the torque nuts and limited by angles and forces, the main body of the digital display torque wrench is integrated, and the length of the digital display torque wrench after the digital display torque wrench is generally 40-80 cm, and the digital display torque wrench is inconvenient to carry, package and transport, so that the digital display torque wrench is hoped to be capable of completely replacing the wrench head and the torque heads of the wrench, is portable, and can be assembled and disassembled for packaging, storage and transportation.

Disclosure of Invention

Aiming at the defects of the prior art, the utility model provides a combined digital display torque wrench which can be split into multiple sections to replace a wrench rod and a torque head respectively without obstructing the sensor from collecting data, and is completely split and then combined and stored.

The utility model is realized by the following contents: a combination digital torque wrench, wherein: the torque digital display device comprises a handle, a spanner rod tube and a torque head, wherein the handle is provided with a torque digital display, an insertion tube is arranged in a hollow mode in the head end of the handle, a tail tube insertion section is arranged at the tail end of the spanner rod tube, the tail tube insertion section is inserted into the insertion tube, a conical lock sleeve is further arranged at the head end of the handle, and the conical lock sleeve is sleeved with a sleeve tube to fix the spanner rod tube; the torque head is provided with a connecting handle, the connecting handle is provided with a pin shaft screw hole, the connecting handle is inserted into the spanner rod tube, the pin shaft through hole is inserted into a pin shaft nut, the pin shaft nut is screwed into the pin shaft screw hole, and the torque head is fixed at the head end of the spanner rod tube. From this handle, spanner pole pipe, torsion head divide into 3 independent part sections, and the handle head end inserts the spanner pole pipe and fixes with the toper lock sleeve pipe when using, and the torsion head inserts the head end of spanner pole pipe with the connection handle of self, and is fixed with the round pin axle nut, accomplishes the equipment and uses, then dismantles the round pin axle nut when split packing or accomodate, pulls out torsion head from the head end of spanner pole pipe, unscrews the toper lock sleeve pipe, pulls out spanner pole pipe from the head end of handle.

Preferably, the handle is provided with a digital display groove, a torsion digital display is arranged in the digital display groove in a buckling manner, and the torsion digital display and the torque sensor are integrally arranged. The torque wrench can be independently maintained and split-assembled with the torque digital display and the torque sensor, and is purely mechanical, and the torque wrench with digital display capability is formed after the torque digital display and the torque sensor are assembled in the digital display groove.

Preferably, the torque head comprises an assembly head and a batch head, the assembly head is provided with a batch head mounting hole, the batch head is mounted in the batch head mounting hole, the top of the batch head mounting hole is provided with a fastening cover, the screw thread of the fastening cover is fastened with the batch head, and the fastening cover is fixed in the batch head mounting hole. The assembling head and the batch head are of non-integral structure and can be separated, and batch heads with different sizes can be replaced.

Preferably, the assembling head end and the assembling tail end are integrally molded to form a connecting handle, or the assembling head end and the assembling tail end are provided with screw holes, the head end of the connecting handle is provided with a screw rod, and the connecting handle and the assembling head are in screw connection to form an integrated structure. The connecting handle and the assembling head can be separated, and different connecting handles and assembling heads can be produced in a combined way and are used for connecting spanner rod pipes with different calibers.

Preferably, the assembling head is a fixed ratchet head or a direction-adjusting ratchet head or a square spanner head. The fixed ratchet head can be replaced by different assembly heads for use in different use environments and requirements.

Preferably, the spanner rod tube is provided with a torque sensor at the head end inside the spanner rod tube body, a needle seat plug is arranged in the tail tube inserting section of the spanner rod tube, the torque sensor is electrically connected with the needle seat plug, and the needle seat plug is electrically connected with the torque digital display. The torque sensor is arranged inside the spanner rod tube, the torque sensor is better protected by metal materials, the torque head is closer to the head end, the data obtained through measurement and acquisition are more accurate, the transmission point structure adopts the needle seat plug to relay, the cost is low, and the installation is convenient.

Preferably, the whole handle is hollow, the part of the spanner rod tube inserted into the handle is equal to the whole handle in length, and the tail end of the spanner rod tube is also provided with a battery bin or a rechargeable battery, and the battery bin is electrically connected with the torsion digital display. The structure can make the assembly of the battery compartment simpler, the battery compartment or the rechargeable battery is used for supplying power instead of relying on the button battery installed on the torsion digital display, and the device can also run for a longer time.

Preferably, the spanner bar pipe is provided with two pipes of 40cm and 80 cm. Tires of different diameters are used alternately.

Preferably, the pin shaft screw hole is arranged on the spanner rod tube in a longitudinal direction and a transverse direction. In order to facilitate the observation of the torsion digital display, the torsion digital display can be switched at an angle of 90 degrees, so that the torsion digital display faces to a user or faces to the right upper side.

Preferably, the distance between the torque sensor and the connecting handle is 0cm. When the torque sensor of the torque digital display is in resistance torque type, the torque sensor is directly attached to the connecting handle by 0cm for collecting resistance signal data.

Compared with the prior art, the utility model has the beneficial effects that: compared with the prior art, the integrated digital display torque wrench has the advantages that 1, the structure is changed into a combined structure of three main parts of a handle, a wrench rod pipe and a torque head, the wrench rod and the torque head can be divided into multiple sections to be replaced respectively, the wrench rod and the torque head can be divided and combined for use, the storage space is small after the disassembly, the electronic structure can be safest protected and stored, and convenience is brought to maintenance and maintenance; 2. the assembling head and the batch head are of non-integral structure, can be separated, can replace batch heads with different sizes, can be provided with various ratchet heads, and can be replaced for different assembling heads to be used in different use environments and requirements; 3. a torque sensor can be arranged or added to the head end of the spanner rod tube, so that the torque sensor is better protected and accurate values are obtained.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings that are needed in the embodiments will be briefly described below, it being understood that the following drawings only illustrate some embodiments of the present utility model and therefore should not be considered as limiting the scope, and other related drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is an overall block diagram;

FIG. 2 is an exploded perspective view of the overall structure;

FIG. 3 is an exploded front view of the overall structure;

FIG. 4 is an anatomic and explosive comparison of example 1;

FIG. 5 is a diagram of the torque head structure of embodiment 1;

FIG. 6 is a structural view of embodiment 2;

FIG. 7 is a diagram of an embodiment 3;

fig. 8 is a modified structure of embodiment 3;

marked in the figure as: the handle 1, the spanner bar pipe 2, the torsion head 3, the torsion digital display 4, the insertion pipe 5, the tail pipe insertion section 6, the conical lock sleeve 7, the pin shaft through hole 8, the connecting handle 9, the pin shaft screw hole 10, the pin shaft nut 11, the digital display groove 12, the torque sensor 13, the assembly head 14, the batch head 15, the batch head mounting hole 16, the fastening cover 17, the fixed ratchet head 18, the direction-adjusting ratchet head 19, the square-insertion spanner head 20, the needle seat plug 21, the battery bin or the rechargeable battery 22.

Description of the embodiments

Embodiments of the present utility model are described in detail below, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to like or similar elements or elements having like or similar functions throughout. The embodiments described below by referring to the drawings are illustrative only and are not to be construed as limiting the utility model.

In the description of the present utility model, 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. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element being referred to must have a specific orientation, be configured and operated in a specific orientation, and therefore should not be construed as limiting the present utility model.

The utility model is realized by the following contents: in the embodiment 1, as shown in fig. 1-3, a combined digital display torque wrench comprises 1 plastic handle 1, 1 wrench rod pipe 2 with the length of 40cm, and 1 torque head 3, as shown in fig. 5, the torque head 3 comprises an assembly head 14 and a screwdriver head 15, the assembly head 14 is longitudinally provided with 1 screwdriver head mounting hole 16, the screwdriver head 15 is installed in the screwdriver head mounting hole 16 from below, the top of the screwdriver head mounting hole 16 is provided with a fastening cover 17, the top of the screwdriver head 15 is provided with a protruding block, if in threaded connection, the fastening cover 17 is in threaded connection with the screwdriver head 15, if in threaded connection, the screwdriver head is screwed into a screw hole at the top of the screwdriver head 15, and the screwdriver head 15 is fastened by a nut, so that the screwdriver head 15 is fixed in the screwdriver head mounting hole 16. The assembling head and the batch head are of non-integral structure and can be separated, so that batch heads with different sizes can be replaced; when working, such as the disassembly of the tyre bolts of an automobile, the screwdriver head 15 is provided with a matched sleeve, and the handle 1 is grasped for pulling;

as shown in fig. 3, the handle 1 is provided with a digital display slot 12, the digital display slot 12 is provided with 1 integrated torsion digital display 4 by a buckle, and the torsion digital display 4 and the photoelectric type torque sensor 13 are integrally arranged as in the prior art, and as in the background art, can be directly customized in the market in the prior art, such as a honeywell chip set. The torque wrench can be independently maintained and split-assembled into the torque digital display and the torque sensor, and the torque wrench is purely mechanical, and the torque digital display and the torque sensor are assembled in the digital display groove to form the torque wrench with digital display capability; the using method is the same as that of the digital display torque wrench in the prior art, a preset torque value is set in the torque digital display 4 to work, and the torque digital display 4 can send out an audible and visual prompt when the value reaches the numerical range; the current torque value is displayed on the screen.

As shown in fig. 4 and 5, the molded head end of the handle 1 made of plastic material is provided with a hollow insertion tube 5, the tail end of the wrench rod tube 2 is provided with a tail tube insertion section 6, the tail tube insertion section 6 is an arc-shaped metal sheet, the insertion tube 5 is convenient to insert, the installation of the torsion digital display 4 is not blocked, the tail tube insertion section 6 is inserted into the insertion tube 5, the head end of the handle 1 is also provided with a conical lock sleeve 7, the conical lock sleeve 7 is sleeved with the wrench rod tube 2, and the structure is commonly used on telescopic tubes, such as a telescopic mop, a window wiping rod and the like; as shown in fig. 4 and 5, the head end of the wrench rod pipe 2 is provided with a pin through hole 8, the torque head 3 is provided with a connecting handle 9, the connecting handle 9 is provided with a pin screw hole 10, the connecting handle 9 is inserted into the wrench rod pipe 2, the pin through hole 8 is inserted into a pin nut 11, the pin nut 11 is screwed into the pin screw hole 10, and the torque head 3 is fixed at the head end of the wrench rod pipe 2. From this handle 1, spanner pole pipe 2, torsion head 3 divide into 3 independent part festival, and handle 1 head end inserts spanner pole pipe 2 and fixes with the toper lock sleeve pipe when using, and torsion head 3 inserts the head end of spanner pole pipe with self connecting handle 9, fixes with the round pin axle nut, accomplishes the equipment and uses, then dismantles the round pin axle nut when split packing or accomodating, pulls out torsion head from the head end of spanner pole pipe, unscrews the toper lock sleeve pipe, pulls out spanner pole pipe from the head end of handle 1. Under the condition of not putting into the torque digital display, the product can be directly used as a common torque wrench.

In embodiment 2, a torque sensor for photoelectric, optical or resistive is generally adopted in the digital torque wrench in the prior art, and conversion torque data is collected by sensing fine displacement or deformation of the tail end of the torque head or metal elastic deformation of the wrench stem pipe, so that the torque sensor is arranged close to the torque head and at the head end of the wrench stem pipe, which is more beneficial to data accuracy, as shown in fig. 6, the torque sensor 13 is arranged at the head end of the wrench stem pipe 2 in the body of the wrench stem pipe, the hub plug 21 is arranged in the tail pipe plugging section 6 of the wrench stem pipe 2, the hub plug 21 is electrically connected with the torque sensor 13, and the hub plug 21 is electrically connected with the torque digital display 4. The distance between the torque sensor 13 and the connecting handle 9 is 0cm. When the torque sensor of the torque digital display is in resistance torque type, the torque sensor is directly attached to the connecting handle by 0cm for collecting resistance signal data. The torque sensor is arranged inside the spanner rod tube, the torque sensor is better protected by metal materials, the torque head is closer to the head end, the data obtained through measurement and acquisition are more accurate, the transmission point structure adopts the needle seat plug to relay, the cost is low, and the installation is convenient.

In embodiment 3, in order to solve the problem of mounting the assembly head, as shown in fig. 8, the tail end of the assembly head 14 is integrally shaped to form a connection handle 9, or the tail end of the assembly head 14 is provided with a screw hole, the head end of the connection handle 9 is provided with a screw, and the connection handle 9 and the assembly head 14 are screwed together to form an integral structure. The connecting handle 9 and the assembling head 14 can be separated, and different connecting handles 9 and assembling heads can be produced in a combined way for connecting spanner rod pipes with different calibers.

As shown in fig. 7, on the basis of embodiment 1, the fitting head 14 is a fixed ratchet head 18 or a direction-adjusting ratchet head 19 or a square spanner head 20. The fixed ratchet head can be replaced by different assembly heads for use in different use environments and requirements. And example 3 the post-implementation assembly head and the batch head are of non-integral structure, and can be separated, the batch heads with different sizes can be replaced, various ratchet heads can be arranged, and different assembly heads can be replaced for use in different use environments and requirements.

As shown in fig. 6, on the basis of embodiment 1, the whole handle 1 is hollow, the wrench stem pipe 2 is inserted into a part of the handle 1 and the like to the whole length of the handle 1, the tapered lock sleeve 7 and the handle 1 are integrally molded, the tail end of the wrench stem pipe 2 is further provided with a battery compartment 22 or a rechargeable battery 23, and the battery compartment 22 is electrically connected with the torsion digital display 4. The structure can make the assembly of the battery compartment simpler, the battery compartment or the rechargeable battery is used for supplying power instead of relying on the button battery installed on the torsion digital display, and the device can also run for a longer time.

Preferably, the spanner bar pipe 2 is provided with two pipes of 40cm and 80 cm. Tires of different diameters are used alternately.

Preferably, the pin shaft screw hole 10 is provided on the spanner bar pipe 2 in both a longitudinal direction and a transverse direction. In order to facilitate the observation of the torsion digital display, the torsion digital display can be switched at an angle of 90 degrees, so that the torsion digital display faces to a user or faces to the right upper side.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims (10)

1. A combined digital display torque wrench is characterized in that: the wrench comprises a handle (1), a wrench rod pipe (2) and a torsion head (3), wherein the handle (1) is provided with a torsion digital display (4), an insertion pipe (5) is arranged in the hollow of the head end of the handle (1), the tail end of the wrench rod pipe (2) is provided with a tail pipe insertion section (6), the tail pipe insertion section (6) is inserted into the insertion pipe (5), the head end of the handle (1) is further provided with a conical lock sleeve (7), and the conical lock sleeve (7) is sleeved with a sleeve to fix the wrench rod pipe (2); the wrench is characterized in that a pin shaft through hole (8) is formed in the head end of the wrench rod pipe (2), a connecting handle (9) is arranged on the torsion head (3), a pin shaft screw hole (10) is formed in the connecting handle (9), the connecting handle (9) is inserted into the wrench rod pipe (2), a pin shaft nut (11) is inserted into the pin shaft through hole (8), the pin shaft nut (11) is screwed into the pin shaft screw hole (10), and the torsion head (3) is fixed at the head end of the wrench rod pipe (2).

2. The combination digital torque wrench of claim 1, wherein: the handle (1) is provided with a digital display groove (12), a torsion digital display (4) is arranged in the digital display groove (12) in a buckling manner, and the torsion digital display (4) and a torque sensor (13) are integrally arranged.

3. The combination digital torque wrench of claim 1, wherein: the torsion head (3) comprises an assembly head (14) and a batch head (15), wherein the assembly head (14) is provided with a batch head mounting hole (16), the batch head (15) is arranged in the batch head mounting hole (16), the top of the batch head mounting hole (16) is provided with a fastening cover (17), and the fastening cover (17) is tightly screwed with the batch head (15) to fix the batch head in the batch head mounting hole (16).

4. A combination digital torque wrench as claimed in claim 3, wherein: the tail end of the assembly head (14) is integrally molded to form a connecting handle (9), or the tail end of the assembly head (14) is provided with a screw hole, the head end of the connecting handle (9) is provided with a screw rod, and the connecting handle (9) and the assembly head (14) are in screw connection and combined into an integrated structure.

5. A combination digital torque wrench as claimed in claim 3, wherein: the assembly head (14) is a fixed ratchet head (18) or a direction-adjusting ratchet head (19) or a square spanner head (20).

6. The combination digital torque wrench of claim 1, wherein: the wrench rod pipe (2) is provided with a torque sensor (13) at the head end of the inner part of the pipe body of the wrench rod pipe (2), a needle seat plug (21) is arranged in the tail pipe inserting section (6) of the wrench rod pipe (2), the torque sensor (13) is electrically connected with the needle seat plug (21), and the needle seat plug (21) is electrically connected with a torque digital display (4).

7. The combination digital torque wrench of claim 1 or 2, wherein: the handle (1) is wholly hollow, a part of the spanner rod tube (2) is inserted into the handle (1) and is equal to the length of the whole handle (1), and a battery compartment (22) or a rechargeable battery (23) is further arranged at the tail end of the spanner rod tube (2), and the battery compartment (22) is electrically connected with the torsion digital display (4).

8. The combination digital torque wrench of claim 1 or 6, wherein: the spanner rod tube (2) is provided with two tubes of 40cm and 80 cm.

9. The combination digital torque wrench of claim 1, wherein: the pin shaft screw hole (10) is arranged on the spanner bar pipe (2) in a longitudinal direction and a transverse direction.

10. The combination digital torque wrench of claim 6, wherein: the distance between the torque sensor (13) and the connecting handle (9) is 0cm.