Quick-connection type connector on rod piece and electric tool lengthening rod

Abstract

The utility model provides a quick-connection type connector on a rod piece and an electric tool extension rod, and aims to solve the problem that in the prior art, an extension rod on an electric tool cannot be quickly lengthened according to the actual length requirement. A quick-connection type connector on a rod piece comprises a male connector, a female connector, a male connector, a female connector and a male connector, wherein the male connector is provided with a first rod piece connecting part and a first clamping part; the female connector is provided with a second rod piece connecting part and a wrenching piece, the middle of the wrenching piece is rotationally arranged on the female connector, a second clamping part is arranged at the end, close to the first clamping part, of the wrenching piece, and a pressing part is arranged at the end, away from the second clamping part, of the wrenching piece; an elastic piece is arranged between the wrenching piece and the female joint; and when the male joint and the female joint are connected with each other, the second clamping part is clamped with the first clamping part under the action of the elastic piece. According to the utility model, two connecting rods or more than two connecting rods can be quickly connected into a lengthened rod.

Description

Technical Field

[0001] The utility model belongs to the technical field of joints for extension rods on electric tools, and in particular relates to a quick-connect joint on a rod and an extension rod for an electric tool. Background Art

[0002] At present, commonly used power tools such as electric saws, electric shears, hedge trimmers, etc., often need to use extension rods to connect to the electric saws when performing high-altitude operations such as trimming branches and leaves at high places, so as to facilitate people to perform operations at a higher or farther range. When the extension rod is in use, one end is connected to the working head of the electric saw, and the other end is connected to the battery and the switch, so as to facilitate people to operate. However, the length of the extension rods currently used in the market is generally fixed, and the fixed rods cannot be adjusted according to the actual required length or height requirements, which has great limitations and is inconvenient for people to operate. Some use telescopic and folding extension rods, but the length of the telescopic rods and folding rods is still limited. Utility Model Content

[0003] The utility model provides a quick-connect joint on a rod and an extension rod for an electric tool, aiming to solve the problem that the extension rod on the electric tool in the prior art cannot be quickly extended according to actual length requirements.

[0004] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0005] In a first aspect, the utility model provides a quick-connect joint on a rod, comprising:

[0006] A male connector, comprising a first rod connecting portion and a first clamping portion; and,

[0007] A female connector is provided with a second rod connecting portion and a pulling member, the middle portion of the pulling member is rotatably arranged on the female connector, the end of the pulling member close to the first clamping portion is provided with a second clamping portion, the end of the pulling member away from the second clamping portion is provided with a pressing portion, and an elastic member is provided between the pulling member and the female connector; when the male connector and the female connector are connected to each other, the second clamping portion is clamped with the first clamping portion under the action of the elastic member, and the adjacent ends of the male connector and the female connector are plugged into each other; when the pressing portion is pressed, the second clamping portion is disengaged from the first clamping portion.

[0008] A further solution: a first splicing groove is provided on the outer side wall of the male connector, the first clamping portion is a first hook, and the first hook is arranged on the bottom wall of the first splicing groove; a second splicing groove is provided on the outer side wall of the female connector, the second clamping portion is a second hook, and the pull member is rotatably arranged in the second splicing groove through a rotating shaft; the elastic member is located between the pressing portion and the bottom wall of the second splicing groove;

[0009] When the male connector and the female connector are connected to each other, the first splicing groove and the second splicing groove are spliced ​​into a groove, and the actuating member is located in the groove.

[0010] Based on the above technical solution: by setting the first splicing groove and the second splicing groove to be spliced ​​into a groove, and the pull piece is located in the groove, so that the groove can protect the first hook and the pull piece, so that the second hook on the pull piece is more stably connected with the first hook.

[0011] A further solution: a plug-in groove is provided at the end of the male connector, and a plug-in portion is provided at the end of the female connector; a step is provided on the female connector; when the male connector and the female connector are connected to each other, the plug-in portion is plugged into the plug-in groove, and the second hook clamps the first hook between the second hook and the step.

[0012] Based on the above technical solution: the second hook clamps the first hook between the second hook and the step, and the plug-in portion is plugged into the plug-in groove, so that the male connector and the female connector are more stable after being connected.

[0013] A further solution: a first inclined surface is provided on a side of the first hook close to the second hook, and a second inclined surface is provided on a side of the second hook close to the first hook. When the male connector and the female connector are connected to each other, the first hook slides along the second inclined surface through the first inclined surface and is clamped into the second hook.

[0014] Based on the above technical solution: by providing a first inclined surface on the first hook and a second inclined surface on the second hook, it is convenient for the first hook to slide into the second hook and engage with the second hook.

[0015] A further solution: the male connector is provided with two first clamping parts, and the two first clamping parts are respectively located on opposite sides of the male connector, and the female connector is provided with two pull members, and the two pull members correspond one-to-one to the two first clamping parts.

[0016] A further solution: the first rod connecting portion is a first through hole, the second rod connecting portion is a second through hole, and the first through hole is connected to the second through hole.

[0017] A further solution: the first through hole is a circular hole, an elliptical hole or a square hole; the second through hole is a circular hole, an elliptical hole or a square hole.

[0018] Based on the above technical solution: it is convenient to select a male connector or a female connector with a corresponding through hole shape according to the shape of the rod, so that the application range is wider.

[0019] A further solution: a first elastic locking hoop is provided on the outer side wall of the first through hole, and a second elastic locking hoop is provided on the outer side wall of the second through hole.

[0020] Based on the above technical solution: the first elastic locking hoop fixes the connecting rod connected to the male connector more firmly in the first through hole; the second elastic locking hoop fixes the connecting rod connected to the female connector more firmly in the second through hole.

[0021] In a second aspect, the utility model provides an electric tool extension rod, comprising at least two connecting rods and a quick-connect joint on a rod member as described in any scheme in the first aspect; among at least two of the connecting rods, two adjacent connecting rods are connected by the male joint and the female joint.

[0022] Based on the above technical solution: two adjacent connecting rods are connected by a male connector and a female connector, and two or more connecting rods can be quickly connected in series to form an electric tool extension rod according to specific needs. The length can be freely configured according to needs, and the connection between connecting rods is more secure.

[0023] A further solution is that a first coupling joint and a second coupling joint are respectively provided on each of two adjacent connecting rods, and each of the two adjacent connecting rods are electrically connected via the first coupling joint and the second coupling joint.

[0024] Based on the above technical solution: the first coupling joint and the second coupling joint are connected to facilitate power supply, so that the tool working heads and batteries at both ends of the extension rod are electrically connected, thereby making the electric tool extension rod suitable for electric tools, lithium-powered tools or electric and lithium-powered garden tools.

[0025] A further solution: the first coupling connector is an aviation pin, and the second coupling connector is a socket.

[0026] Based on the above technical solution: the aviation pins fit more tightly, thereby ensuring power supply and avoiding power outage problems.

[0027] The beneficial effects of the utility model are:

[0028] The utility model discloses a quick-connect connector on a rod, which is used to connect the first rod by setting a first rod connection part on the male connector and the second rod connection part on the female connector, so that the first rod and the second rod become an extension rod for the electric tool after being connected through the male connector and the female connector, and the user can quickly connect several rods into an extension rod according to the operation length requirements, and the length of the extension rod can be freely configured. When connecting, the male connector is directed toward the female connector and connected thereto, the second clamping part is clamped with the first clamping part under the action of the elastic member, and the adjacent ends of the male connector and the female connector are plugged into each other to prevent shaking, so that after the connection, the connection between the rods is firm and will not loosen; when disassembling, the second clamping part is separated from the first clamping part by pressing the pressing part, and the male connector and the female connector can be separated, thereby realizing quick disassembly and assembly, and the operation is very convenient and quick. BRIEF DESCRIPTION OF THE DRAWINGS

[0029] In order to more clearly illustrate the technical solutions of the embodiments of the utility model, the drawings required for use in the embodiments are briefly introduced below. It should be understood that the following drawings only show certain embodiments of the utility model and therefore should not be regarded as limiting the scope. For ordinary technicians in this field, other relevant drawings can be obtained based on these drawings without paying creative work.

[0030] Figure 1 The utility model is a structural schematic diagram of an electric tool extension rod.

[0031] Figure 2 The utility model is a schematic diagram of the cross-sectional structure of a quick-connect joint on a rod.

[0032] Figure 3 The utility model is a schematic diagram of the exploded structure of a quick-connect joint on a rod.

[0033] Figure 4 It is a schematic diagram of the structure of a circular hole.

[0034] Figure 5 It is a schematic diagram of the structure of a square hole.

[0035] Figure 6 It is a schematic diagram of the structure of an elliptical hole.

[0036] Figure 7 It is a structural schematic diagram of a first coupling joint connected to a second coupling joint.

[0037] Description of the numbers in the figure:

[0038] 1-first connecting rod; 11-first coupling joint; 2-second connecting rod; 21-second coupling joint; 3-male joint; 31-first through hole; 32-first elastic locking hoop; 33-first hook; 34-first splicing groove; 35-plug-in groove; 4-female joint; 41-second through hole; 42-second elastic locking hoop; 43-pull piece; 431-second hook; 432-pressing part; 433-elastic part; 44-step; 45-plug-in part. DETAILED DESCRIPTION

[0039] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. It should be understood that the specific embodiments described herein are only used to explain the utility model and are not used to limit the utility model. Based on the embodiments of the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the protection scope of the utility model.

[0040] Embodiment 1:

[0041] like Figures 1 to 3 As shown, this embodiment provides a quick-connect joint on a rod, comprising:

[0042] The male connector 3 is provided with a first rod connecting portion and a first clamping portion; and

[0043] The female connector 4 is provided with a second rod connecting portion and a pulling member 43, the middle portion of the pulling member 43 is rotatably arranged on the female connector 4, the second clamping portion is provided at one end of the pulling member 43 close to the first clamping portion, the pressing portion 432 is provided at one end of the pulling member 43 away from the second clamping portion, and an elastic member 433 is provided between the pulling member 43 and the female connector 4; when the male connector 3 and the female connector 4 are connected to each other, the second clamping portion is clamped with the first clamping portion under the action of the elastic member 433, and the adjacent ends of the male connector 3 and the female connector 4 are plugged into each other; when the pressing portion 432 is pressed, the second clamping portion is disengaged from the first clamping portion.

[0044] Among them, among the two adjacent connecting rods, the first rod connecting part is used to connect one of the connecting rods, and the second rod connecting part is used to connect the other connecting rod. The two connecting rods can be quickly connected through the male connector 3 and the female connector 4, thereby becoming an extension rod for use on tools.

[0045] In this embodiment, Figure 2 and Figure 3As shown, in order to better protect the pull member 43 from misoperation and make the first hook 33 and the second hook 431 more stably connected, the present embodiment is provided with a first splicing groove 34 on the outer wall of the male connector 3, the first connecting portion is the first hook 33, and the first hook 33 is arranged on the bottom wall of the first splicing groove 34; the outer wall of the female connector 4 is provided with a second splicing groove, the second connecting portion is the second hook 431, and the pull member 43 is arranged in the second splicing groove by rotating the shaft, and specifically, the two ends of the shaft are inserted into the opposite side walls of the second splicing groove. When the male connector 3 and the female connector 4 are connected to each other, the first splicing groove 34 and the second splicing groove are spliced ​​into a groove, and the pull member 43 is located in the groove.

[0046] As a specific embodiment, both the first splicing groove 34 and the second splicing groove can be configured as arc-shaped grooves.

[0047] In this embodiment, the elastic member 433 may be a spring, and specifically, the elastic member 433 is located between the pressing portion 432 and the bottom wall of the second splicing groove. A spring mounting seat may be provided on the bottom wall of the second splicing groove and the pressing portion 432 to facilitate the installation of the spring.

[0048] The elastic member 433 may also be a torsion spring, which is disposed between the pull member 43 and the side wall of the second splicing groove, and may be specifically sleeved on the rotating shaft.

[0049] In this embodiment, Figure 2 and Figure 3 As shown, as a specific implementation method for mutually plugging the adjacent ends of the male connector 3 and the female connector 4, the end of the male connector 3 is provided with a plug-in groove 35, and the end of the female connector 4 is provided with a plug-in portion 45; when the male connector 3 and the female connector 4 are connected to each other, the plug-in portion 45 is plugged into the plug-in groove 35, thereby making the connection between the male connector 3 and the female connector 4 more stable and firm.

[0050] In order to make the first hook 33 and the second hook 431 more stably connected, a step 44 is provided on the female connector 4 in this embodiment; when the male connector 3 is connected to the female connector 4, the second hook 431 clamps the first hook 33 between the second hook 431 and the step 44.

[0051] In this embodiment, in order to facilitate the first hook 33 to slide into the second hook 431 and engage with it, a first inclined surface is provided on the side of the first hook 33 close to the second hook 431, and a second inclined surface is provided on the side of the second hook 431 close to the first hook 33. When the male connector 3 and the female connector 4 are connected to each other, the first hook 33 slides along the second inclined surface through the first inclined surface and is engaged with the second hook 431. Specifically, the first hook 33 drives the pull member 43 to rotate through the first inclined surface and the second inclined surface. When the first hook 33 enters the second hook 431, the second hook 431 engages with the first hook 33 under the action of the elastic member 433.

[0052] The male connector 3 is provided with two first clamping parts, and the two first clamping parts are respectively located on two opposite sides of the male connector 3 . The female connector 4 is provided with two actuating members 43 , and the two actuating members 43 correspond to the two first clamping parts one by one.

[0053] In this embodiment, the first rod connecting portion can be configured as a first through hole 31 , the second rod connecting portion can be configured as a second through hole 41 , and the first through hole 31 is connected to the second through hole 41 .

[0054] In this embodiment, the first through hole 31 is a circular hole, an elliptical hole, or a square hole; the second through hole 41 is a circular hole, an elliptical hole, or a square hole.

[0055] Specifically, the shapes of the first through hole 31 and the second through hole 41 can be set according to specific requirements, for example, Figure 4 As shown, when two adjacent connecting rods are both cylindrical, the first through hole 31 and the second through hole 41 can be set as circular holes.

[0056] like Figure 5 As shown, when two adjacent connecting rods are both in the shape of square columns, the first through hole 31 and the second through hole 41 can both be set as square holes.

[0057] like Figure 6 As shown, when two adjacent connecting rods are both elliptical cylinders, the first through hole 31 and the second through hole 41 can both be set as elliptical holes.

[0058] In this embodiment, in order to better fix the connecting rod to the male connector 3 or the female connector 4 , a first elastic locking hoop 32 is provided on the outer wall of the first through hole 31 , and a second elastic locking hoop 42 is provided on the outer wall of the second through hole 41 .

[0059] Embodiment 2:

[0060] like Figure 1As shown, this embodiment provides an electric tool extension rod, including at least two connecting rods and a quick-connect joint on a rod member as described in the first embodiment; of the at least two connecting rods, two adjacent connecting rods are connected by the male joint 3 and the female joint 4. Specifically, when there are two connecting rods, they are a first connecting rod 1 and a second connecting rod 2, the first connecting rod 1 is connected to the first rod member connecting portion, and the second connecting rod 2 is connected to the second rod member connecting portion, so that the first connecting rod 1 and the second connecting rod 2 are connected to each other by the male joint 3 and the female joint 4 to form an electric tool extension rod. When there are multiple connecting rods, the multiple connecting rods are connected in series by the male joint and the female joint.

[0061] Among them, Figure 7 As shown, in order to facilitate user operation and connect the power tool to the lithium battery, a first coupling joint and a second coupling joint are respectively provided on each of two adjacent connecting rods, and each of the two adjacent connecting rods is electrically connected through the first coupling joint and the second coupling joint. The first coupling joint 11 and the second coupling joint 21 can be electrically connected in the form of aviation pins, specifically, the first coupling joint 11 is an aviation pin, and the second coupling joint 21 is a socket. The aviation pins fit more tightly, thereby ensuring power on and avoiding power outages.

[0062] Specifically, after a plurality of connecting rods are connected to form an electric tool extension rod, a tool head of the electric tool and a lithium battery are respectively arranged at both ends of the electric tool extension rod. After at least two connecting rods are connected, they not only become an extension rod, but also have the function of powering on. This makes the electric tool extension rod suitable for electric tools, lithium-powered tools, or electric and lithium-powered garden tools, such as electric saws, electric shears, and hedge trimmers.

[0063] Working principle description:

[0064] When the two connecting rods are connected, the first coupling joint 11 is aligned with the second coupling joint 21 and connected, and the first hook 33 slides into the second hook 431 through the cooperation of the first inclined surface and the second inclined surface. The second hook 431 is mutually engaged with the first hook 33 under the action of the elastic member 433, so that the two connecting rods are connected to form an electric tool extension rod. When disassembling, the pressing part 432 is pressed to disengage the second hook 431 from the first hook 33, and the two adjacent connecting rods can be pulled in reverse to separate them. Users can also quickly connect multiple connecting rods in series through male and female connectors according to specific needs, and the connection between the rods is firm and will not loosen.

[0065] The present utility model is not limited to the above optional implementation modes. Under the premise of not conflicting with each other, the various schemes can be combined arbitrarily. Anyone can derive other forms of products under the inspiration of the present utility model. However, no matter what changes are made in their shapes or structures, all technical schemes that fall within the scope defined by the claims of the present utility model fall within the protection scope of the present utility model.

Claims

1. A quick-connect joint on a rod, characterized in that: include: A male connector, provided with a first rod connecting portion and a first clamping portion; as well as, A female connector is provided with a second rod connecting portion and a pulling member, the middle portion of the pulling member is rotatably arranged on the female connector, the end of the pulling member close to the first clamping portion is provided with a second clamping portion, the end of the pulling member away from the second clamping portion is provided with a pressing portion, and an elastic member is provided between the pulling member and the female connector; when the male connector and the female connector are connected to each other, the second clamping portion is clamped with the first clamping portion under the action of the elastic member, and the adjacent ends of the male connector and the female connector are plugged into each other; when the pressing portion is pressed, the second clamping portion is disengaged from the first clamping portion.

2. A quick-connect connector on a rod according to claim 1, characterized in that: The outer wall of the male connector is provided with a first splicing groove, the first clamping portion is a first hook, and the first hook is arranged on the bottom wall of the first splicing groove; the outer wall of the female connector is provided with a second splicing groove, the second clamping portion is a second hook, and the pull member is rotatably arranged in the second splicing groove through a rotating shaft; the elastic member is located between the pressing portion and the bottom wall of the second splicing groove; When the male connector and the female connector are connected to each other, the first splicing groove and the second splicing groove are spliced ​​into a groove, and the actuating member is located in the groove.

3. A quick-connect connector on a rod according to claim 2, characterized in that: The end of the male connector is provided with a plug-in groove, and the end of the female connector is provided with a plug-in portion; the female connector is provided with a step; when the male connector and the female connector are connected to each other, the plug-in portion is plugged into the plug-in groove, and the second hook clamps the first hook between the second hook and the step.

4. A quick-connect joint on a rod according to claim 2, characterized in that: A first inclined surface is provided on one side of the first hook close to the second hook, and a second inclined surface is provided on one side of the second hook close to the first hook. When the male connector and the female connector are connected to each other, the first hook slides along the second inclined surface through the first inclined surface and is clamped into the second hook.

5. A quick-connect connector on a rod according to claim 1, characterized in that: The male connector is provided with two first clamping parts, and the two first clamping parts are respectively located on two opposite sides of the male connector. The female connector is provided with two pull members, and the two pull members correspond to the two first clamping parts one by one.

6. A quick-connect connector on a rod according to claim 1, characterized in that: The first rod connecting portion is a first through hole, the second rod connecting portion is a second through hole, and the first through hole is connected to the second through hole; The first through hole is a circular hole, an elliptical hole or a square hole; the second through hole is a circular hole, an elliptical hole or a square hole.

7. A quick-connect connector on a rod according to claim 6, characterized in that: A first elastic locking hoop is disposed on the outer side wall of the first through hole, and a second elastic locking hoop is disposed on the outer side wall of the second through hole.

8. An extension rod for an electric tool, characterized in that: It comprises at least two connecting rods and a quick-connect joint on a rod member as described in any one of claims 1 to 7; among the at least two connecting rods, two adjacent connecting rods are connected by the male joint and the female joint.

9. The electric tool extension rod according to claim 8, characterized in that: Every two adjacent connecting rods are respectively provided with a first coupling joint and a second coupling joint, and every two adjacent connecting rods are electrically connected through the first coupling joint and the second coupling joint.

10. The electric tool extension rod according to claim 9, characterized in that: The first coupling connector is an aviation pin, and the second coupling connector is a socket.

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