CN221088842U - Variable-diameter self-locking connector and electric screw driver thereof - Google Patents
Variable-diameter self-locking connector and electric screw driver thereof Download PDFInfo
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- CN221088842U CN221088842U CN202322948291.4U CN202322948291U CN221088842U CN 221088842 U CN221088842 U CN 221088842U CN 202322948291 U CN202322948291 U CN 202322948291U CN 221088842 U CN221088842 U CN 221088842U
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Abstract
The utility model relates to the technical field of screwdrivers, in particular to a variable-diameter self-locking connector and an electric screwdrivers thereof. The variable-diameter self-locking connector specifically comprises: the first output shaft comprises a first connecting section and a first linkage section, and the first connecting section is positioned in the first linkage section; the second output shaft comprises a second connecting section, a second linkage section and a transmission section, and the second connecting section is positioned in the second linkage section; the first linkage section is sleeved on the second linkage section; the batch head is detachably connected with the first connecting section or the second connecting section respectively; the transmission assembly comprises a plurality of pin shafts and a support, one end of each pin shaft is in limiting connection with the support, and the other end of each pin shaft is in limiting connection with the transmission section. The utility model has the advantage of connecting at least one specification of the head and locking the joint in manual mode.
Description
Technical Field
The utility model relates to the technical field of screwdrivers, in particular to a variable-diameter self-locking connector and an electric screwdrivers thereof.
Background
A screw driver is a tool for turning a screw to force it into place, and is generally classified into a general screw driver, a combination screw driver, and a power screw driver, which is generally a combination screw driver. The electric screw driver has the name that an electric motor is used for replacing a hand to install and remove screws, and a conventional small electric screw driver cannot be manually used under the condition of no electricity, and an output shaft of the screw driver is in movable unlocking during manual use.
The electric screwdriver has no electric screwdriver in the market, and can be used for realizing the universal function by using the additional accessories without using the additional accessories under the condition that the two screwdriver heads of H4.0 and H6.3 are common, and the existing electric screwdriver H4.0 and H6.3 can only be used for using one standard screwdriver head.
Therefore, the variable-diameter self-locking connector and the electric screwdriver thereof are provided for overcoming the defects of the prior art.
Disclosure of utility model
In order to overcome the defects of the prior art, the utility model provides a variable-diameter self-locking joint and an electric screwdriver thereof, and the device aims to solve the problems that only a screwdriver head with one specification can be used and the joint can not be locked in a manual mode.
In order to achieve the above purpose, the present utility model adopts the following technical scheme:
A variable diameter self-locking joint comprising: a first output shaft, a second output shaft, and a transmission assembly,
The first output shaft comprises a first connecting section and a first linkage section, and the first connecting section is positioned in the first linkage section;
The second output shaft comprises a second connecting section, a second linkage section and a transmission section, and the second connecting section is positioned in the second linkage section;
The first linkage section is sleeved on the second linkage section;
The batch head is detachably connected with the first connecting section or the second connecting section respectively;
the transmission assembly comprises a plurality of pin shafts and a support, one end of each pin shaft is in limiting connection with the support, and the other end of each pin shaft is in limiting connection with the transmission section.
As a further improvement of the technical scheme of the utility model, the first output shaft also comprises a first magnetic attraction piece, and the first magnetic attraction piece is fixedly arranged at the joint of the first connecting section and the first linkage section;
the batch head comprises an H6.3 batch head, and the H6.3 batch head is inserted into the first connecting section to be magnetically connected with the first magnetic attraction piece.
As a further improvement of the technical scheme of the utility model, the second output shaft further comprises a second magnetic attraction piece, and the second magnetic attraction piece is fixedly arranged at the joint of the second connecting section and the second linkage section;
The batch head further comprises an H4.0 batch head, and the H4.0 batch head is inserted into the second connecting section to be connected with the second magnetic attraction piece in a magnetic attraction mode.
As a further improvement of the technical scheme of the utility model, the first connecting section is positioned in front of the second connecting section, and the first connecting section, the second connecting section and the batch head are coaxially arranged.
As a further improvement of the technical scheme of the utility model, the bracket is provided with a plurality of openings for the pin shaft to be inserted, and one end of the pin shaft, which is far away from the openings, is in butt fit with the surface of the transmission section.
As a further improvement of the technical scheme of the utility model, the section of the transmission section is polygonal, and the number of the holes, the pin shafts and the edges at the rear end are equal.
The utility model provides an electronic screwdriver is applicable to foretell a variable diameter self-locking joint, includes wear-resisting cover, driving piece and shell, the driving piece set firmly in the shell, the shell with wear-resisting cover fixed connection.
As a further improvement of the technical scheme of the utility model, the first output shaft further comprises a convex ring, the convex ring is positioned at the tail end of the first linkage section far away from the first connecting section, and the convex ring is in propping fit with the inner wall of the wear-resistant sleeve.
As a further improvement of the technical scheme of the utility model, the bracket further comprises a central groove, and the central groove is fixedly connected with the output end of the driving piece.
As a further improvement of the technical scheme of the utility model, the electric screw driver comprises an electric mode and a manual mode;
in the electric mode: the driving piece drives the bracket to rotate, and the bracket drives the first output shaft and the second output shaft to rotate through the pin shaft, so that the screwdriver bit is driven to rotate;
In manual mode: the driving piece with support fixed connection, wear-resisting cover with drive assembly interference fit, the support passes through the round pin axle with second output shaft joint cooperation, the second output shaft with first output shaft limit connection, shell, wear-resisting cover, driving piece, support, round pin axle, first output shaft and second output shaft are fixed relatively.
Compared with the prior art, the utility model has the beneficial effects that:
In the variable-diameter self-locking joint, the problem of connecting at least one batch head can be realized by arranging the first connecting section and the second connecting section at the front ends of the first output shaft and the second output shaft respectively, and two batch heads with different specifications, namely the H4.0 batch head and the H6.3 batch head, can be detachably connected with the first connecting section or the second connecting section respectively; in the manual mode, the first linkage segment is in limiting connection with the second linkage segment, the support is in clamping fit with the transmission shaft through the pin shaft, and the transmission assembly is in interference fit with the wear-resistant sleeve, so that the connector is locked in the manual mode. The variable-diameter self-locking joint has the characteristics of connecting batch heads of at least one specification and locking the joint in a manual mode.
Drawings
The technology of the present utility model will be described in further detail below with reference to the attached drawings and detailed description:
FIG. 1 is a schematic cross-sectional view of a variable diameter self-locking joint of the present utility model;
FIG. 2 is a schematic view of the structure of the variable diameter self-locking joint of the present utility model;
FIG. 3 is a schematic view of the structure of the second output shaft and the transmission assembly in the variable diameter self-locking joint of the present utility model;
FIG. 4 is a top view of a bracket in a variable diameter self-locking joint of the present utility model;
Fig. 5 is a schematic view of the structure of the variable diameter self-locking joint of the present utility model.
In the figure:
1. A first output shaft; 11. a first connection section; 12. a first linkage segment; 13. a first magnetic attraction member; 14. a convex ring;
2. A second output shaft; 21. a second connection section; 22. a second linkage section; 23. a transmission section; 24. a second magnetic attraction member;
3. a pin shaft;
4. A bracket; 41. opening holes; 42. a central slot;
5. Wear-resistant sleeve.
Detailed Description
The conception, specific structure, and technical effects produced by the present utility model will be clearly and completely described below with reference to the embodiments and the drawings to fully understand the objects, aspects, and effects of the present utility model. It should be noted that, without conflict, the embodiments of the present utility model and features of the embodiments may be combined with each other. The same reference numbers will be used throughout the drawings to refer to the same or like parts.
Referring to fig. 1 to 5, a variable diameter self-locking joint, comprising: a first output shaft 1, a second output shaft 2, and a transmission assembly;
The problem of connecting at least one head can be realized by arranging the first connecting section 11 and the second connecting section 21 at the front ends of the first output shaft 1 and the second output shaft 2 respectively, and two heads with different specifications, namely an H4.0 head and an H6.3 head, can be detachably connected with the first connecting section 11 or the second connecting section 21 respectively; in the manual mode, the first linkage segment 12 is in limit connection with the second linkage segment 22, the transmission assembly is in interference fit with the wear-resistant sleeve 5, and the support 4 is in clamping fit with the transmission shaft through the pin shaft 3, so that the joint is locked in the manual mode. The variable-diameter self-locking joint has the characteristics of connecting batch heads of at least one specification and locking the joint in a manual mode.
In one embodiment, referring to fig. 1-2, the first output shaft 1 includes a first connecting section 11 and a first linkage section 12, the first connecting section 11 being located inside the first linkage section 12. The first output shaft 1 further comprises a first magnetic attraction piece 13, and the first magnetic attraction piece 13 is fixedly arranged at the joint of the first connecting section 11 and the first linkage section 12; the batch head comprises an H6.3 batch head, and the H6.3 batch head is inserted into the first connecting section 11 to be magnetically connected with the first magnetic attraction piece 13. The first output shaft 1 further comprises a convex ring 14, the convex ring 14 is positioned at the end of the first linkage segment 12 far away from the first connecting segment 11, and the convex ring 14 is in propping fit with the inner wall of the wear-resistant sleeve 5. Preferably, the first magnetic attraction member 13 is a ring magnet.
In one embodiment, referring to fig. 1 and 3, the second output shaft 2 includes a second connecting section 21, a second linkage section 22, and a transmission section 23, the second connecting section 21 being located inside the second linkage section 22; the first linkage segment 12 is sleeved on the second linkage segment 22; the screwdriver bit is detachably connected to the first connection section 11 or the second connection section 21, respectively. The second output shaft 2 further comprises a second magnetic attraction piece 24, and the second magnetic attraction piece 24 is fixedly arranged at the joint of the second connecting section 21 and the second linkage section 22; the batch head further comprises an H4.0 batch head, and the H4.0 batch head is inserted into the second connecting section 21 to be magnetically connected with the second magnetic attraction piece 24. Preferably, the second magnetic attraction member 24 is a circular magnet.
In one embodiment, the first connection section 11 is located in front of the second connection section 21, and the first connection section 11, the second connection section 21 and the screwdriver bit are coaxially arranged. The section of the transmission section 23 is quadrilateral, and the number of the openings 41, the pin shafts 3 and the edges at the rear end are four.
In one embodiment, referring to fig. 4, the transmission assembly includes four pins 3 and a bracket 4, one end of the pin 3 is in limited connection with the bracket 4, and the other end is in limited connection with the transmission segment 23. The support 4 is provided with four holes 41, the holes 41 are used for inserting the pin shafts 3, and one end, away from the holes 41, of each pin shaft 3 is in abutting fit with the surface of the transmission section 23. The support 4 further comprises a central slot 42, the central slot 42 being fixedly connected to the output end of the driving member.
The utility model provides an electronic screwdriver is applicable to foretell a variable diameter self-locking joint, includes wear-resisting cover 5, driving piece and shell, and the driving piece sets firmly in the shell, shell and wear-resisting cover 5 fixed connection.
In one embodiment, the motorized screwdriver includes a motorized mode and a manual mode;
Preferably, when the transmission assembly is assembled into the wear-resistant sleeve 5, the pin shafts 3 are abutted against the inner wall of the wear-resistant sleeve 5, the outer diameter surrounded by the four pin shafts 3 is larger than the inner diameter of the wear-resistant sleeve 5, and when the pin shafts 3 and the support 4 are inserted into the wear-resistant sleeve 5, the pin shafts cannot freely rotate on the inner wall of the wear-resistant sleeve 5, and the pin shafts cannot be easily rotated by hands independently under the condition of not increasing external force.
In the electric mode: the output end of the driving piece drives the bracket 4 to rotate, and the bracket 4 drives the first output shaft 1 and the second output shaft 2 to rotate through the pin shaft 3, so that the screwdriver bit is driven to rotate;
In manual mode: the shell is fixedly connected with the wear-resistant sleeve 5, the driving piece is fixedly connected with the support 4, the wear-resistant sleeve 5 is in interference fit with the transmission assembly, the support 4 is in clamping fit with the second output shaft 2 through the pin shaft 3, the second output shaft 2 is in limiting connection with the first output shaft 1, and due to the fact that the driving piece is powered off, the output end of the driving piece is required to be rotated by a certain torque force, the torque force of the output end of the driving piece is added on the basis of the friction force between the wear-resistant sleeve 5 and the pin shaft 3, and therefore the shell, the wear-resistant sleeve 5, the driving piece, the support 4, the pin shaft 3, the first output shaft 1 and the second output shaft 2 are relatively fixed, and at the moment, the electric screw driver is consistent with a common screw driver using method.
In one embodiment, the drive member is preferably a gear motor. The shell can be internally provided with a battery for supplying power to the gear motor.
The variable-diameter self-locking joint and other contents of the electric screwdriver are referred to in the prior art, and are not described herein.
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.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include at least one such feature. In the description of the present utility model, the meaning of "plurality" means at least two, for example, two, three, etc., unless specifically defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, may be in communication with each other or in interaction with each other, unless expressly defined otherwise. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
In the present utility model, unless expressly stated or limited otherwise, a first feature "up" or "down" a second feature may be the first and second features in direct contact, or the first and second features in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.
It will be understood that when an element is referred to as being "fixed" or "disposed" on another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "upper," "lower," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
The above is only a preferred embodiment of the present utility model, and is not limited in any way, so any modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present utility model still fall within the scope of the technical solution of the present utility model.
Claims (10)
1. A variable diameter self-locking joint, comprising: a first output shaft, a second output shaft, and a transmission assembly,
The first output shaft comprises a first connecting section and a first linkage section, and the first connecting section is positioned in the first linkage section;
The second output shaft comprises a second connecting section, a second linkage section and a transmission section, and the second connecting section is positioned in the second linkage section;
The first linkage section is sleeved on the second linkage section;
The batch head is detachably connected with the first connecting section or the second connecting section respectively;
the transmission assembly comprises a plurality of pin shafts and a support, one end of each pin shaft is in limiting connection with the support, and the other end of each pin shaft is in limiting connection with the transmission section.
2. The variable diameter self-locking joint according to claim 1, wherein the first output shaft further comprises a first magnetic attraction piece, and the first magnetic attraction piece is fixedly arranged at the joint of the first connecting section and the first linkage section;
the batch head comprises an H6.3 batch head, and the H6.3 batch head is inserted into the first connecting section to be magnetically connected with the first magnetic attraction piece.
3. The variable diameter self-locking joint according to claim 1, wherein the second output shaft further comprises a second magnetic attraction piece, and the second magnetic attraction piece is fixedly arranged at the joint of the second connecting section and the second linkage section;
The batch head further comprises an H4.0 batch head, and the H4.0 batch head is inserted into the second connecting section to be connected with the second magnetic attraction piece in a magnetic attraction mode.
4. The variable diameter self-locking joint according to claim 1, wherein the first connecting section is located in front of the second connecting section, and the first connecting section, the second connecting section and the screwdriver bit are coaxially arranged.
5. The variable diameter self-locking joint according to claim 1, wherein the bracket is provided with a plurality of holes, the holes are used for inserting the pin shafts, and one end of the pin shafts away from the holes is in abutting fit with the surface of the transmission section.
6. The variable diameter self-locking joint according to claim 5, wherein the transmission section is polygonal in cross section, and the number of openings, pins and edges at the rear end are equal.
7. An electric screw driver suitable for the variable diameter self-locking joint as claimed in any one of claims 1 to 6, comprising a wear-resistant sleeve, a driving member and a housing, wherein the driving member is fixedly arranged in the housing, and the housing is fixedly connected with the wear-resistant sleeve.
8. The electric screw driver of claim 7, wherein the first output shaft further comprises a collar located at an end of the first linkage segment remote from the first connection segment, the collar being in abutting engagement with the wear sleeve inner wall.
9. The motorized screwdriver as recited in claim 7, wherein the bracket further comprises a central slot fixedly coupled to the output end of the driver.
10. The motorized screw as defined in claim 7, wherein the motorized screw includes a motorized mode and a manual mode;
in the electric mode: the driving piece drives the bracket to rotate, and the bracket drives the first output shaft and the second output shaft to rotate through the pin shaft, so that the screwdriver bit is driven to rotate;
in manual mode: the shell with wear-resisting cover fixed connection, the driving piece with support fixed connection, wear-resisting cover with drive assembly interference fit, the support passes through the round pin axle with second output shaft joint cooperation, the second output shaft with first output shaft limit connection, shell, wear-resisting cover, driving piece, support, round pin axle, first output shaft and second output shaft are fixed relatively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948291.4U CN221088842U (en) | 2023-10-31 | 2023-10-31 | Variable-diameter self-locking connector and electric screw driver thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202322948291.4U CN221088842U (en) | 2023-10-31 | 2023-10-31 | Variable-diameter self-locking connector and electric screw driver thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221088842U true CN221088842U (en) | 2024-06-07 |
Family
ID=91328321
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202322948291.4U Active CN221088842U (en) | 2023-10-31 | 2023-10-31 | Variable-diameter self-locking connector and electric screw driver thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221088842U (en) |
-
2023
- 2023-10-31 CN CN202322948291.4U patent/CN221088842U/en active Active
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