CN212071749U - Torsion screwdriver - Google Patents
Torsion screwdriver Download PDFInfo
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- CN212071749U CN212071749U CN202020187888.5U CN202020187888U CN212071749U CN 212071749 U CN212071749 U CN 212071749U CN 202020187888 U CN202020187888 U CN 202020187888U CN 212071749 U CN212071749 U CN 212071749U
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- receiving groove
- accommodating groove
- groove
- torque driver
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Abstract
The utility model provides a torque screwdriver, which comprises a hollow cylinder body, a tripping component, an elastic body and a screwdriver rod, wherein the hollow cylinder body is internally provided with a first section of accommodating groove, a second section of accommodating groove and a third section of accommodating groove; the tripping member is arranged in the third section of accommodating groove and rotates along with the hollow cylinder body, the tripping member is provided with driving teeth, and each driving tooth is provided with a buffer surface; the elastic body is arranged in the hollow cylinder and formed on one side of the tripping component; the screwdriver rod comprises a tooth holder and a rod body, the tooth holder is arranged in the third section containing groove and is provided with driven teeth, and each driven tooth can be meshed with each driving tooth for transmission or separated from each driving tooth for transmission. Therefore, the structural strength of each transmission gear can be increased, the durability is improved, and the hand feeling in the operation process can be better.
Description
Technical Field
The present invention relates to a screwdriver, and more particularly to a torque screwdriver.
Background
The operation of locking and detaching the screw is mainly carried out by a screwdriver, and the screw is driven to be locked or loosened by forward and reverse rotation of the screwdriver by utilizing the matching and inserting of different forms of corresponding screw groove grains formed at the end part of the screwdriver, thereby achieving the basic locking and detaching operation function.
The traditional screwdriver mainly combines the screwdriver rod and the handle part in a fixed or replaceable integral manner, but the torque force generated by the linkage relation of the handle part and the screwdriver rod is still fixed, so that the torque force value cannot be integrally applied to the locking and unlocking operation of screws of different workpieces, and the structure of the locking and unlocking part can be damaged by excessive or insufficient torque force value in the operation, so that the screwdriver is really difficult to be called practical. In addition, although the ratchet screwdriver emphasizes the capability of increasing the torque value, the torque value is still fixed, and the ratchet screwdriver is not suitable for locking and unlocking different workpieces.
Although the existing products have torque drivers developed for solving the problems, the structures of all the used transmission teeth are too sharp, so that the teeth are easy to crack, and the service life of the existing products is greatly reduced; and the operation hand feeling is not good because of the abrupt rising slope and the abrupt falling slope of the teeth, and the phenomenon of pause and contusion is caused in the rotating process.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a torsion bottle opener, its each driving gear's of multiplicable structural strength and promote the durability, can let the feeling of operation process again become good.
In order to achieve the above object, the present invention provides a torque screwdriver, which comprises a hollow cylinder, a trip member, an elastic body and a screwdriver rod, wherein the hollow cylinder has a first section of accommodating groove, a second section of accommodating groove formed at the side of the first section of accommodating groove, and a third section of accommodating groove formed at the side of the second section of accommodating groove; the tripping member is arranged in the third section of accommodating groove and rotates along with the hollow cylinder body, the tripping member comprises a plurality of driving teeth, and each driving tooth is provided with a buffer surface; the elastic body is arranged in the hollow cylinder and is formed on one side of the tripping component; the screwdriver rod comprises a tooth holder and a rod body extending from the tooth holder, the tooth holder is arranged in the third section containing groove and is provided with a plurality of driven teeth, and each driven tooth can be meshed with or separated from each driving tooth for transmission.
As an embodiment of the present invention, each driving tooth further includes an inclined surface connected to the buffering surface, and a groove is formed between any two adjacent driving teeth.
As an embodiment of the present invention, each of the driven teeth includes an inclined plane and a buffer surface connected to an end of the inclined plane, and a groove is formed between any two adjacent driven teeth.
As an embodiment of the utility model, still include a stationary blade, hold the groove and hold the department of meeting in the groove and form a first section difference at this first section, this stationary blade setting holds the inslot and supports and lean on at this first section difference at this second section, and this elastomer is by the elasticity centre gripping between this stationary blade and this tripping member.
As an embodiment of the present invention, the elastic body is a torsion spring, and the fixing piece is a magnetic component.
As an embodiment of the present invention, the adjusting device further includes an adjusting ring, the adjusting ring is disposed on one side of the third section of the accommodating groove, which is far away from the second section of the accommodating groove.
As an embodiment of the present invention, the adjusting ring has an external thread, and the third section of the accommodating groove has an internal thread screwed with the external thread.
As an embodiment of the utility model, this screwdriver pole still includes a cylinder section, and this cylinder section is between this toothholder and this body of rod, and this adjusting ring cup joints the outer peripheral edge at this cylinder section.
As an embodiment of the present invention, the first section of the container and the third section of the container are a regular hexagon container, the second section of the container is a circular container, the peripheral dimension of the first section of the container is smaller than the inner diameter of the second section of the container, and the inner diameter of the second section of the container is smaller than the peripheral dimension of the third section of the container.
As an embodiment of the utility model, this tripping element still includes a bedplate, each the drive tooth extends from the one end of this bedplate and forms, and this bedplate corresponds the cooperation with the shape that this third section held the groove to let this tripping element can follow this cavity barrel and do the rotation.
The utility model discloses still have following efficiency, utilize the buffering sliding connection of the buffering face of each drive tooth and each driven tooth to let the feel of operation process become good, and the good difficult production of structural strength of each tooth bursts apart. By means of the unequal-size design of the containing grooves, sequential assembly of the components is facilitated, and the assembly easiness is further improved. The elastic body is clamped between the fixing piece and the tripping component, so that the stable torsion can be controlled. By means of the setting of the adjusting ring, the torque value meeting the requirements can be adjusted according to the use requirements of various different torques, and the locking and unlocking device is further suitable for locking and unlocking different workpieces. And a trip member, can be controlled with a stable torque.
Drawings
Fig. 1 is an exploded perspective view of the torque driver of the present invention.
Fig. 2 is a perspective view of the trip member and the screwdriver rod according to the present invention.
Fig. 3 is a perspective view of the torque driver assembly of the present invention.
Fig. 4 is another perspective view of the torque driver according to the present invention.
Fig. 5 is a sectional view of the torque driver assembly of the present invention.
Fig. 6 is another combined sectional view of the torque driver of the present invention.
Fig. 7 is a sectional view (i) showing the torque driver according to the present invention in use.
Fig. 8 is a sectional view of the torque driver according to the present invention in use.
In the figure:
10, a hollow cylinder body; 11, a first section of accommodating groove; 12, a second section of accommodating groove; a third section of accommodating groove; 14, a first step difference; 15, the second section difference; 16, internal threads; 20, a tripping component; 21, a seat plate; 22, driving teeth; 221, an inclined surface; 222, a buffer surface; 23, a groove; 30, an elastomer; 40, a screwdriver rod; 41, a tooth holder; 411 is a driven tooth; 412, an inclined surface; 413, a buffer surface; 414 is a groove; 42, a cylindrical section; 43, a rod body; 50, fixing sheets; 60, an adjusting ring; 61, external thread.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and specific embodiments so that those skilled in the art can better understand the present invention and can implement the present invention, but the embodiments are not to be construed as limiting the present invention.
Referring to fig. 1 to 6, the present invention provides a torque screwdriver, which mainly comprises a hollow cylinder 10, a trip member 20, an elastic body 30 and a screwdriver rod 40.
The hollow cylinder 10 can be a circular cylinder, and the interior of the hollow cylinder has a first section of accommodating groove 11, a second section of accommodating groove 12 and a third section of accommodating groove 13, the second section of accommodating groove 12 is formed in the middle of the hollow cylinder 10, the first section of accommodating groove 11 and the third section of accommodating groove 13 are respectively formed on two sides of the second section of accommodating groove 12, and the first section of accommodating groove 11 and the third section of accommodating groove 13 are both regular hexagon accommodating grooves, so that the limiting function is formed by each plane. The second section of containing groove 12 is a circular containing groove, the peripheral dimension of the first section of containing groove 11 is smaller than the inner diameter of the second section of containing groove 12, the inner diameter of the second section of containing groove 12 is smaller than the peripheral dimension of the third section of containing groove 13, a first section difference 14 is formed at the joint of the first section of containing groove 11 and the second section of containing groove 12, and a second section difference 15 is formed at the joint of the second section of containing groove 12 and the third section of containing groove 13. Furthermore, an internal thread 16 is provided on the side of the third segment of the vessel 13 away from the second segment of the vessel 12.
The trip member 20 is disposed in the third section of accommodating groove 13, and includes a seat plate 21 and a plurality of driving teeth 22 extending outward from one end of the seat plate 21, the seat plate 21 is a regular hexagonal plate body to be mutually embedded and matched with the regular hexagonal third section of accommodating groove 13, so that the seat plate 21 can rotate along with the hollow cylinder 10. Each driving tooth 22 comprises an inclined surface 221 and a buffer surface 222 connected with the end of the inclined surface 221, a groove 23 is formed between any two adjacent driving teeth 22, and each driving tooth 22 and each groove 23 are combined into a circular ring shape by surrounding together.
The elastic body 30 of the present embodiment is a torsion spring, which is disposed between the second-stage receiving groove 12 and the third-stage receiving groove 13, and is formed at one side of the seat plate 21 of the trip member 20.
The driver rod 40 includes a tooth holder 41, a cylindrical section 42 and a rod 43, the cylindrical section 42 extends outward from an end surface of the tooth holder 41, the tooth holder 41 is disposed in the third section of the accommodating groove 13 and is provided with a plurality of driven teeth 411, each driven tooth 411 includes an inclined surface 412 and a buffer surface 413 connected to an end of the inclined surface 412, a groove 414 is formed between any two adjacent driven teeth 411, each driven tooth 411 and each groove 414 are combined into a circular ring shape by surrounding together, and each driven tooth 411 can be engaged with or disengaged from each driving tooth 22. The rod 43 extends outwards from one end of the cylindrical section 42 away from the tooth holder 41, the cross section of the rod 43 is a regular hexagon, and the rod 43 penetrates through the outside of the hollow cylinder 10.
Further, the torque driver of the present invention further includes a fixing plate 50 disposed in the second section of the accommodating groove 12 and abutting against the first section difference 14, and the fixing plate 50 may be a component made of a magnetic material.
Further, the torque driver of the present invention further includes an adjusting ring 60 disposed in the third section accommodating groove 13 and away from one side of the second section difference 15, the adjusting ring 60 of the present embodiment has an external thread 61, which is sleeved on the outer periphery of the cylindrical section 42, and is screwed with the internal thread 16 through the external thread 61, so as to control the compression amount and the rotation torque of the elastic body 30.
Referring to fig. 7 and 8, after the hollow cylinder 10 is rotated during use, the tripping member 20 is driven to rotate along with the combination of the above components, and the driving teeth 22 are engaged with the driven teeth 411, so that the screw can be locked by the driver rod 40, when the rotating torque is greater than the default torque of the elastic body 30, the driver rod 40 is fixed, the tripping member 20 climbs along the inclined surface 412 of the driven teeth 411 with the inclined surface 221 of each driving tooth 22, and the buffer surface 222 of each driving tooth 22 and the buffer surface 413 of each driven tooth 411 are in buffer sliding connection, so that the hand feeling during operation is improved.
The above-mentioned embodiments are merely preferred embodiments for fully illustrating the present invention, and the scope of the present invention is not limited thereto. Equivalent substitutes or changes made by the technical personnel in the technical field on the basis of the utility model are all within the protection scope of the utility model. The protection scope of the present invention is subject to the claims.
Claims (10)
1. A torque driver, comprising:
the hollow cylinder body is internally provided with a first section of accommodating groove, a second section of accommodating groove formed on the side edge of the first section of accommodating groove and a third section of accommodating groove formed on the side edge of the second section of accommodating groove;
the tripping component is arranged in the third section of accommodating groove and rotates along with the hollow cylinder, the tripping component comprises a plurality of driving teeth, and each driving tooth is provided with a buffer surface;
an elastic body arranged in the hollow cylinder and formed on one side of the tripping component; and
and the gear seat is arranged in the third section of accommodating groove and is provided with a plurality of driven teeth, and each driven tooth can be in meshing transmission or separation transmission with each driving tooth.
2. The torque driver as claimed in claim 1, wherein each of the driving teeth further comprises an inclined surface connecting the buffer surfaces, and a recess is formed between any two adjacent driving teeth.
3. The torque driver as claimed in claim 1, wherein each of the driven teeth includes an inclined surface and a buffer surface connected to an end of the inclined surface, and a recess is formed between any two adjacent driven teeth.
4. The torque driver as set forth in claim 1, further comprising a fixing piece, a first step being formed at a junction of the first-stage receiving groove and the second-stage receiving groove, the fixing piece being disposed in the second-stage receiving groove and abutting against the first step, the elastic body being elastically held between the fixing piece and the trip member.
5. The torque driver as claimed in claim 4, wherein the elastic body is a torsion spring, and the fixing piece is a magnetic component.
6. The torque driver as claimed in claim 1, further comprising an adjustment ring disposed at a side of the third section of the receiving groove away from the second section of the receiving groove.
7. The torque driver according to claim 6, wherein the adjustment ring has an external thread, and the third receiving groove has an internal thread screwed with the external thread.
8. The torque driver as claimed in claim 6, wherein the driver rod further comprises a cylindrical section, the cylindrical section is disposed between the tooth holder and the rod body, and the adjusting ring is sleeved on the outer periphery of the cylindrical section.
9. The torque driver according to claim 1, wherein the first and third receiving grooves are both a regular hexagonal receiving groove, the second receiving groove is a circular receiving groove, the peripheral dimension of the first receiving groove is smaller than the inner diameter of the second receiving groove, and the inner diameter of the second receiving groove is smaller than the peripheral dimension of the third receiving groove.
10. The torque driver as claimed in claim 9, wherein the trip member further comprises a seat plate, each driving tooth is formed by extending from one end of the seat plate, and the seat plate is correspondingly matched with the third section of the receiving groove in shape, so that the trip member can rotate along with the hollow cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187888.5U CN212071749U (en) | 2020-02-20 | 2020-02-20 | Torsion screwdriver |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202020187888.5U CN212071749U (en) | 2020-02-20 | 2020-02-20 | Torsion screwdriver |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212071749U true CN212071749U (en) | 2020-12-04 |
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ID=73570282
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202020187888.5U Active CN212071749U (en) | 2020-02-20 | 2020-02-20 | Torsion screwdriver |
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| Country | Link |
|---|---|
| CN (1) | CN212071749U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288396A (en) * | 2021-05-25 | 2021-08-24 | 中国人民解放军空军特色医学中心 | Torsion-controllable lumbar vertebra turning device |
-
2020
- 2020-02-20 CN CN202020187888.5U patent/CN212071749U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113288396A (en) * | 2021-05-25 | 2021-08-24 | 中国人民解放军空军特色医学中心 | Torsion-controllable lumbar vertebra turning device |
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