CN210790760U - Digital display torque wrench - Google Patents
Digital display torque wrench Download PDFInfo
- Publication number
- CN210790760U CN210790760U CN201921817844.XU CN201921817844U CN210790760U CN 210790760 U CN210790760 U CN 210790760U CN 201921817844 U CN201921817844 U CN 201921817844U CN 210790760 U CN210790760 U CN 210790760U
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- rod
- wrench
- driving
- extension
- length
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The utility model discloses a digital display torque wrench has solved among the prior art digital display torque wrench length fixed, uses limited technical problem, and its technical essential is: the utility model provides a digital display torque wrench, is provided with torque detection device including the wrench head, hollow connecting rod and the wrench rod that connect gradually in the connecting rod, is provided with the digital display screen outside the connecting rod, and wrench rod tail end swing joint has the extension rod coaxial with the wrench rod, and the extension rod moves about along the wrench rod axial, is provided with the roll adjustment subassembly that is used for controlling length between extension rod and the wrench rod in the wrench rod. Through above-mentioned scheme, realize utilizing roll adjustment subassembly control extension rod to remove along the axial at spanner pole tail end, and then realize adjusting the whole length of spanner.
Description
Technical Field
The utility model belongs to the technical field of the technique of twist wrench and specifically relates to a digital display torque wrench.
Background
The digital display torque wrench is a torque wrench (torque wrench ) with digital display as the name implies, which is different from a common torque wrench, has powerful operation functions and comprises torque setting; setting a unit; setting a mode; storing the numerical value; clearing a numerical value; numerical output and network correction functions. However, the length of the digital display torque wrench in the market is mostly fixed, and the digital display torque wrench is not suitable for special situations smoothly, if the wrench with shorter length can not be used in a deeper space, the wrench with longer length is inconvenient to carry, and the like, and needs to be improved.
SUMMERY OF THE UTILITY MODEL
The utility model aims at providing a length can carry out digital display torque wrench who adjusts.
The utility model discloses a can realize through following technical scheme:
the utility model provides a digital display torque wrench, is including the wrench head, hollow connecting rod and the wrench rod that connect gradually, be provided with torque detection device in the connecting rod, the connecting rod is provided with the digital display screen outward, wrench rod tail end swing joint have with the coaxial extension rod of wrench rod, the extension rod is followed wrench rod axial is moved about, be provided with in the wrench rod and be used for controlling the extension rod with the roll adjustment subassembly of length between the wrench rod.
Through adopting above-mentioned technical scheme, utilize roll adjustment subassembly control extension rod to remove along the axial at spanner pole tail end, and then realize adjusting spanner's whole length, compare with prior art and have bigger application range, the moment of force can be prolonged or shorten as required, makes the wrench movement light laborsaving more, also is convenient for accomodate more simultaneously, has higher practical value.
Further setting the following steps: the pull rod is characterized in that a sliding groove is formed in the circumferential rod body of the pull rod, the extending direction of the sliding groove is parallel to the axial direction of the pull rod, the extension rod is sleeved with the hollow tube-shaped device outside the pull rod, and the inner wall of the extension rod is provided with a sliding block which extends into the sliding groove in a sliding mode.
Through adopting above-mentioned technical scheme, realize the ascending activity setting of extension rod in the axial with the help of the slider on spout and the extension rod inner wall, and because the slider can't break away from the spout, the extension rod will not take place to drop on the spanner, and it is more convenient to use stably.
Further setting the following steps: the utility model discloses a wrench rod, including wrench rod, driving lever, extension rod, driving portion, the installation cavity has been seted up in wrench rod's the axial, the installation cavity is in wrench rod's terminal surface is uncovered setting, the roll adjustment subassembly is installed including rotating the actuating lever in the installation cavity, the actuating lever with coaxial and the tip of wrench rod stretches out wrench rod, the actuating lever stretches out around being equipped with helicitic texture on wrench rod's the body of rod, the extension rod is kept away from the one end of connecting rod is stretched out wrench rod, the extension rod stretches out wrench rod's an organic whole is provided with the internal diameter in wrench rod's the body of rod and equals wrench rod's drive division, be provided with the adaptation on drive division's the inner wall the helicitic texture of actuating lever.
Through adopting above-mentioned technical scheme, when driving piece control actuating lever pivoted because the rotation of extension rod receives the restriction of spout, will realize that the extension rod removes along the actuating lever axial, and then realize adjusting spanner's overall length, the drive mode is simple swift, and because the screw-thread fit of extension rod and actuating lever, has stronger auto-lock nature, makes it can not change length, convenient to use at will when using.
Further setting the following steps: the driving piece comprises a first bevel gear and a second bevel gear, the first bevel gear is coaxially and fixedly installed in the wrench rod, the first bevel gear is arranged on the driving rod body, the second bevel gear is installed in the wrench rod in a rotating mode, the second bevel gear is meshed with the first bevel gear and is axially perpendicular to the wrench rod body, the second bevel gear is coaxially and fixedly connected with a rotating shaft penetrating through the wrench rod body, the rotating shaft is rotatably connected with the wrench rod, one end, located outside the wrench rod body, of the rotating shaft is connected with a rotating cap, and the rotating cap is located between the extension rod and the connecting rod, outside the wrench rod body.
Through adopting above-mentioned technical scheme, be provided with the rotation axis operating personnel that rotate the cap and can be fast convenient rotate, and then rotate with the help of the transmission drive actuating lever of second bevel gear, realize that the drive extension rod carries out position control at the epaxial side, the drive process is swift simple, is convenient for master fast.
Further setting the following steps: the length of the sliding groove is not more than the length of the driving rod extending out of the wrench rod.
Through adopting above-mentioned technical scheme, make the extension rod when extension to maximum distance, the drive division can not break away from the actuating lever completely, and then leads to using inconveniently.
Further setting the following steps: the length of the driving part in the axial direction of the wrench rod is greater than the length of the driving rod extending out of the wrench rod.
By adopting the technical scheme, the driving rod is prevented from extending out of the extension rod when the length of the extension rod extending out of the wrench rod is shortest, so that the influence of difficulty in holding objects and attractiveness is avoided.
Further setting the following steps: the peripheral outer wall of the extension rod is provided with anti-skidding convex strips.
Through adopting above-mentioned technical scheme, the frictional force that reinforcing spanner can produce when using is convenient for pull the use.
To sum up, the utility model discloses a beneficial technological effect does:
(1) when needed, the extension rod can extend from the tail end of the wrench rod along the axial direction, so that the whole wrench has stronger practicability and wider application range;
(2) the length of the extension rod is simple to adjust, is stably connected with the wrench rod and is not easy to break away.
Drawings
Fig. 1 is a schematic view of the overall structure of the present invention;
fig. 2 is a schematic structural view of the driving rod of the present invention;
fig. 3 is a schematic structural view of the distance adjusting assembly of the present invention.
Reference numerals: 1. a wrench head; 2. a connecting rod; 3. a spanner bar; 4. a digital display screen; 5. an extension pole; 6. a chute; 7. a slider; 8. a mounting cavity; 9. a drive rod; 10. a micro-bearing; 11. a drive section; 12. a first bevel gear; 13. a second bevel gear; 14. a rotating shaft; 15. rotating the cap; 16. anti-slip convex strips.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1, the digital display torque wrench disclosed by the present invention comprises a wrench head 1, a hollow connecting rod 2 and a wrench rod 3 connected in sequence. Wherein, be provided with moment of torsion detection device (not shown in the figure) in the connecting rod 2, be provided with the digital display screen 4 that shows torsion numerical value outside connecting rod 2. The tail end of the wrench rod 3 is movably connected with an extension rod 5 coaxial with the wrench rod 3, the extension rod 5 moves along the axial direction of the wrench rod 3, and a distance adjusting component used for controlling the length between the extension rod 5 and the wrench rod 3 is arranged in the wrench rod 3.
Referring to fig. 2 and 3, for movable mounting extension rod 5, a sliding groove 6 is provided on the circumferential rod body of wrench rod 3, both ends of sliding groove 6 are located in wrench rod 3, and the extending direction of sliding groove 6 is parallel to the axial direction of wrench rod 3. Extension rod 5 then is the cavity tube-shape setting of cover establishing outside wrench rod 3, and the both ends of extension rod 5 are uncovered setting to integrated into one piece has the slider 7 that moves in stretching into spout 6 on the inner wall of extension rod 5, realizes extension rod 5 movable mounting at the tail end of wrench rod 3 and along axial displacement. Meanwhile, one end of the extension rod 5, which is far away from the connecting rod 2, extends out of the wrench rod 3 and is finally in transmission connection with the distance adjusting assembly.
Referring to fig. 3, the installation cavity 8 has been seted up to spanner bar 3's inside, and installation cavity 8 sets up with spanner bar 3 is coaxial, and installation cavity 8 is uncovered setting at the terminal surface that spanner bar 3 kept away from connecting rod 2. The distance adjusting assembly comprises a driving rod 9 rotatably mounted in the mounting cavity 8, the driving rod 9 is coaxial with the wrench rod 3, and an end of the driving rod 9 extends out of the wrench rod 3, and it should be noted that the length of the driving rod 9 extending out of the wrench rod 3 is not less than the length of the sliding groove 6. The installation cavity 8 is internally provided with a miniature bearing 10 fixedly connected to the inner wall of the installation cavity 8, and the driving rod 9 is fixedly connected to the inner ring of the miniature bearing 10 to realize rotary installation. Simultaneously, around being equipped with the helicitic texture on the body of rod that actuating lever 9 stretches out wrench rod 3, extension rod 5 stretches out that then integrated into one piece has the internal diameter to equal the drive division 11 of wrench rod 3 in the body of rod of wrench rod 3, and be provided with the helicitic texture of the 9 helicitic texture of adaptation actuating lever on the inner wall of drive division 11, realize the screw-thread fit of extension rod 5 and actuating lever 9, and then extension rod 5 can follow the axial of actuating lever 9 when actuating lever 9 rotates, wrench rod 3 axial moves promptly, reach flexible purpose. It should be noted that the length of the driving portion 11 in the axial direction of the wrench rod 3 is greater than the length of the driving rod 9 extending out of the wrench rod 3, so as to prevent the driving rod 9 extending out of the extension rod 5 from being exposed to the outside, which affects the holding and beauty. In addition, the distance adjusting assembly further comprises a driving piece arranged on the wrench rod 3 and used for driving the driving rod 9 to rotate.
Referring to fig. 3, the driving member includes a first bevel gear 12 coaxially fixedly installed on the body of the driving lever 9 in the wrench shaft 3, and a second bevel gear 13 rotatably installed in the wrench shaft 3. Wherein, the second bevel gear 13 is engaged with the first bevel gear 12 and the axial direction thereof is perpendicular to the rod body of the wrench rod 3, and the second bevel gear 13 is also coaxially and fixedly connected with a rotating shaft 14 which passes through the rod body of the wrench rod 3. The rotating shaft 14 is rotatably installed through a bearing when passing through the wrench rod 3, and a rotating cap 15 is connected to one end of the rotating shaft 14, which is located outside the wrench rod 3. The rotating shaft 14 and the rotating cap 15 are located on the body of the wrench rod 3 between the extension rod 5 and the connected rod 2. When the rotating cap 15 is rotated, the driving rod 9 can be driven to rotate, namely, the extension rod 5 can be adjusted to move on the wrench rod 3, and finally the length of the whole wrench can be adjusted. In order to make the whole wrench more convenient and stable during operation, a plurality of anti-slip convex strips 16 are integrally formed on the circumferential outer wall of the extension rod 5.
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.
Claims (7)
1. The utility model provides a digital display torque wrench, is including spanner (1), hollow connecting rod (2) and spanner pole (3) that connect gradually, be provided with torque detection device in connecting rod (2), connecting rod (2) are provided with digital display screen (4) outward, its characterized in that: the wrench rod is characterized in that the tail end of the wrench rod (3) is movably connected with an extension rod (5) coaxial with the wrench rod (3), the extension rod (5) axially moves along the wrench rod (3), and a distance adjusting component used for controlling the length between the extension rod (5) and the wrench rod (3) is arranged in the wrench rod (3).
2. The digital torque wrench as claimed in claim 1, wherein: the novel wrench rod is characterized in that a sliding groove (6) is formed in the circumferential rod body of the wrench rod (3), the extending direction of the sliding groove (6) is parallel to the axial direction of the wrench rod (3), the extension rod (5) is sleeved with the hollow cylindrical shape outside the wrench rod (3), and the inner wall of the extension rod (5) is provided with a sliding block (7) which extends into the sliding groove (6).
3. The digital torque wrench as claimed in claim 2, wherein: an installation cavity (8) is arranged on the axial direction of the wrench rod (3), the installation cavity (8) is arranged on the end surface of the wrench rod (3) in an open manner, the distance adjusting component comprises a driving rod (9) rotatably arranged in the mounting cavity (8), the driving rod (9) is coaxial with the wrench rod (3), the end part of the driving rod extends out of the wrench rod (3), a threaded structure is wound on the rod body of the driving rod (9) extending out of the wrench rod (3), one end of the extension rod (5) far away from the connecting rod (2) extends out of the wrench rod (3), a driving part (11) with the inner diameter equal to that of the wrench rod (3) is integrally arranged in the rod body of the extension rod (5) extending out of the wrench rod (3), the inner wall of the driving part (11) is provided with a thread structure matched with the driving rod (9), and the driving rod (9) is connected with a driving piece for controlling the rotation of the wrench rod (3).
4. The digital torque wrench as claimed in claim 3, wherein: the driving piece comprises a first bevel gear (12) and a second bevel gear (13), wherein the first bevel gear (12) is coaxially and fixedly installed in the wrench rod (3) and is installed on the rod body of the driving rod (9), the second bevel gear (13) is meshed with the first bevel gear (12) and is axially perpendicular to the rod body of the wrench rod (3), the second bevel gear (13) is coaxially and fixedly connected with a rotating shaft (14) penetrating through the rod body of the wrench rod (3), the rotating shaft (14) is rotatably connected with the wrench rod (3) and is located at one end, outside the wrench rod (3), of the rotating shaft (14) is connected with a rotating cap (15), and the rotating cap (15) is located between the extension rod (5) and the connecting rod (2), outside the wrench rod (3).
5. The digital torque wrench as claimed in claim 3, wherein: the length of the sliding groove (6) is not more than the length of the driving rod (9) extending out of the wrench rod (3).
6. The digital torque wrench as claimed in claim 3, wherein: the length of the driving part (11) in the axial direction of the wrench rod (3) is greater than the length of the driving rod (9) extending out of the wrench rod (3).
7. The digital torque wrench as claimed in claim 1, wherein: the peripheral outer wall of the extension rod (5) is provided with anti-skid convex strips (16).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817844.XU CN210790760U (en) | 2019-10-25 | 2019-10-25 | Digital display torque wrench |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921817844.XU CN210790760U (en) | 2019-10-25 | 2019-10-25 | Digital display torque wrench |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210790760U true CN210790760U (en) | 2020-06-19 |
Family
ID=71238889
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921817844.XU Active CN210790760U (en) | 2019-10-25 | 2019-10-25 | Digital display torque wrench |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210790760U (en) |
-
2019
- 2019-10-25 CN CN201921817844.XU patent/CN210790760U/en active Active
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