CN115674072A - Electric open spanner head - Google Patents
Electric open spanner head Download PDFInfo
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- CN115674072A CN115674072A CN202211311732.3A CN202211311732A CN115674072A CN 115674072 A CN115674072 A CN 115674072A CN 202211311732 A CN202211311732 A CN 202211311732A CN 115674072 A CN115674072 A CN 115674072A
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- opening
- head
- claw
- jacket
- gear
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- Details Of Spanners, Wrenches, And Screw Drivers And Accessories (AREA)
Abstract
The invention discloses an electric open spanner head, which comprises a head shell, a jacket arranged on the head shell, a gear transmission set and a rotation stopping reset assembly, wherein the gear transmission set is arranged on the jacket; the front end of the head shell is provided with a claw opening for radial entry of a cable; the clamping sleeve is axially butted with the claw port and can axially limit the circumferential direction to rotate, and the clamping sleeve is provided with a side opening for a cable to radially enter and tooth grooves arranged around the circumference of the outer side wall of the clamping sleeve; the gear transmission set comprises a main gear and two intermediate gears connected between the main gear and the tooth grooves so as to drive the jacket to continuously rotate in the joint screwing direction and rotate in the resetting direction relative to the claw openings; have the step that resets on the lateral wall of master gear, spline reset assembly elasticity formula laminating on the master gear lateral wall, when the subassembly that splines resets supports and leans on in spacing step, can restrict to press from both sides the cover and rotate on the direction that resets, press from both sides the cover simultaneously and be in initial position and the side opening that presss from both sides the cover corresponds with the opening of claw mouth. The invention can obviously improve the efficiency and convenience of installing the connector.
Description
Technical Field
The invention relates to the field of wrenches, in particular to an electric open-end wrench head.
Background
In industries such as electric control cabinets, communication industries, new energy automobiles and the like, the electric control of the motor generally uses a cable joint to connect a cable for protecting wiring. The cable joint can be installed without separating from the wrench tool.
At present, a plurality of electric wrenches and manual wrenches are available in the market. Present electric spanner is box spanner and ratchet spanner, and it is closed structure with connecting complex opening, because be connected with the cable on the joint, the unable assembly of closed opening on the electric spanner is to connecting on rotating, leads to the electric spanner of this type of structure can't apply to cable joint's installation, consequently, prior art can only use manual open type spanner installation cable joint. The manual wrench installing joint cable has the defects of time and labor waste, so that an open type electric wrench convenient for installing the cable joint is urgently needed in the market.
Disclosure of Invention
Aiming at the defects of the prior art, the invention provides the electric open spanner head which can obviously improve the efficiency and convenience of installing the joint.
In order to achieve the purpose, the invention provides the following technical scheme:
an electrodynamic type opening spanner head, characterized by: comprises a head shell, a jacket arranged on the head shell, a gear transmission set and a rotation stopping reset assembly;
the front end of the head shell is provided with a claw opening for radial entry of a cable;
the clamping sleeve is axially butted with the claw port and axially limited and can rotate in the circumferential direction, and the clamping sleeve is provided with a side opening for a cable to enter in the radial direction and tooth grooves arranged around the circumference of the outer side wall of the clamping sleeve;
the gear transmission set comprises a main gear and two intermediate gears connected between the main gear and the tooth grooves so as to drive the jacket to continuously rotate relative to the jaw opening in the joint screwing direction and rotate in the resetting direction;
the outer side wall of the main gear is provided with a reset step, the rotation stopping reset assembly is elastically attached to the outer side wall of the main gear, when the rotation stopping reset assembly abuts against the limiting step, the clamping sleeve can be limited to rotate in the reset direction, and meanwhile the clamping sleeve is located at the initial position and the side opening of the clamping sleeve corresponds to the opening of the claw opening.
Preferably, the inner wall of the claw opening is provided with a lower limit part for supporting the lower end surface of the jacket or the lower end surface of the tooth socket and an upper limit part for abutting against the upper end surface of the jacket or the upper end surface of the tooth socket. .
Preferably, the head shell comprises a shell seat and a cover plate, an upper round opening and a lower round opening are respectively arranged at the head of the cover plate and the head of the bottom wall of the shell seat, and the claw opening is formed by butting the upper round opening and the lower round opening;
the diameter of the lower round opening is smaller than that of the upper round opening, the lower limiting part is formed by extending the edge part of the bottom wall of the lower shell seat corresponding to the lower round opening into the claw opening, and the upper limiting part is formed by bending the edge part of the cover plate corresponding to the upper round opening downwards.
Preferably, the lower end of the jacket is provided with a limiting groove, and the inner wall of the lower limiting part is bent upwards to enter the limiting groove. .
Preferably, the central angle formed by the openings on the upper side of the jacket is less than 180 degrees, the width of the side opening is less than the distance between the central shafts of the two middle gears, and the opening width of the claw opening is less than or equal to the width of the side opening.
Preferably, the rotation stopping reset assembly comprises a limit plate and a spring;
one end of the limiting plate is connected to the head shell, and the other end of the limiting plate extends towards the main gear and can swing in the radial direction of the main gear;
the spring is supported on the side walls of the head shell and the limiting plate, which are opposite to the main gear, so that the other end of the limiting plate is pressed towards the side wall of the main gear.
Preferably, the first and second liquid crystal materials are,
the invention has the advantages that: the back of the head shell is provided with a connecting plate for connecting a handle of a wrench.
1. The clamping sleeve can be clamped on the connector with the cable at the tail part through the side opening, the connector is screwed, the clamping sleeve can be reset to an initial state through the positioning of the rotation stopping reset assembly after the clamping sleeve is screwed, the side opening of the clamping sleeve corresponds to the opening of the claw opening, the clamping sleeve can be conveniently separated from the connector and the cable, and therefore the convenience of installing the connector is obviously improved;
2. the clamping sleeve is driven to continuously rotate in the joint screwing direction through the main gear and the two intermediate gears, and the clamping sleeve has the characteristics of simple structure and small installation space.
Drawings
Fig. 1 is a schematic view of an electric open-end wrench head according to the present embodiment;
FIG. 2 is a cross-sectional view of the open-ended wrench head according to the present embodiment;
FIG. 3 is a schematic view of the collet and the claw port provided in this embodiment;
FIG. 4 is a top view of the gear assembly of the present embodiment in cooperation with a collet;
FIG. 5 is a schematic view of a housing provided in this embodiment;
fig. 6 is a schematic view of the main gear provided in the present embodiment.
Detailed Description
The electric open spanner head of the present invention will be further described with reference to fig. 1 to 6.
An electrodynamic type opening spanner head, characterized by: comprises a head shell 1, a jacket 2 arranged on the head shell 1, a gear transmission group 3 and a rotation stopping reset assembly 4.
The front end of the head housing 1 has claw openings 13, two ends of the claw openings 13 penetrate through the upper and lower surfaces of the head housing 1, and the claw openings 13 are open-sided so that cables can enter the claw openings 13 in the radial direction. The clamping sleeve 2 is internally provided with a polygonal inner hole, namely a clamping groove 22, which can be in limit fit with the circumferential direction of a connector, the clamping sleeve 2 is in axial butt joint with the claw port 13 and can rotate in the circumferential direction in an axial limiting manner, and the clamping sleeve 2 is provided with a side opening 24 for a cable to enter in the radial direction and tooth grooves 21 arranged around the circumference of the outer side wall of the clamping sleeve 2. The gear transmission set 3 comprises a main gear 32 and two intermediate gears 31 connected between the main gear 32 and the tooth grooves 21, that is, the main gear 32 is simultaneously meshed with the two intermediate gears 31, the two intermediate gears 31 are simultaneously meshed with the tooth grooves 21 on the outer side wall of the jacket 2, and after the main gear 32 rotates, the jacket 2 can be driven to continuously rotate in the joint tightening direction and rotate in the resetting direction relative to the claw openings 13. The outer side wall of the main gear 32 is provided with a reset step 322, the rotation stopping reset component 4 is elastically attached to the outer side wall of the main gear 32, when the rotation stopping reset component 4 abuts against the reset step 322, the jacket 2 can be limited to rotate in the reset direction, meanwhile, the jacket 2 is in the initial position, and the side opening of the jacket 2 corresponds to the opening of the claw opening 13.
Specifically, the inner wall of the claw port 13 has a lower limit portion 14 for supporting the lower end surface of the collet 2 and an upper limit portion 111 abutting against the upper end surface of the tooth groove 21, and performs an axial limit function on the collet 2.
Further, the head housing 1 includes a housing 12 and a cover plate 11, the housing 12 has a mounting groove 124 for mounting the components therein, and the cover plate 11 is mounted on the notch of the mounting groove by bolts. The head of the cover plate 11 and the head of the bottom wall of the shell base 12 are respectively provided with an upper round opening 131 and a lower round opening 132, and the claw opening 13 is formed by the upper round opening 131 and the lower round opening 132 which are butted up and down; the diameter of the lower circular opening 132 is smaller than the diameter of the upper circular opening 131, the lower limit portion 14 is formed by extending the edge portion of the bottom wall of the lower housing base 12 corresponding to the lower circular opening 132 into the claw opening 13, the edge portion can be used for supporting the lower end of the jacket 2 to limit the downward movement of the jacket 2, the upper limit portion 111 is formed by bending the edge portion of the cover plate 11 corresponding to the upper circular opening 131 downward, and the lower end of the edge portion abuts against the upper end face 211 of the tooth slot 21 protruding out of the outer side wall of the jacket 2 to limit the upward movement of the jacket 2.
In order to further improve the radial limiting effect on the jacket 2, the inner wall of the lower limiting part 14 is bent upwards, and the lower end of the jacket 2 is provided with a limiting groove 23, and in this structure, the limiting groove 23 at the lower end of the jacket 2 is fitted on the bent part, and the outer side wall is overlapped on the inner side wall of the upper limiting part 111.
The central angle a formed by the side opening 24 on the jacket 2 is smaller than 180 degrees, and the width of the side opening 24 is smaller than the distance between the central axes of the two intermediate gears 31, so as to ensure that at least one intermediate gear 31 is meshed with the tooth grooves 21 on the outer side wall of the jacket 2 in the rotating process of the jacket 2, and drive the jacket 2 to effectively rotate. The opening width of the claw port 13 is equal to or less than the width of the side opening 24 to define the collet 2 in the claw port 13.
The cover plate 11 and the bottom wall of the housing base 12 are provided with corresponding positioning holes 5, two ends of the central shaft of the intermediate gear 31 are respectively positioned in the positioning holes 5 of the cover plate 11 and the housing base 12, and two ends of the central shaft of the main gear 32 are also positioned in the positioning holes 5 of the cover plate 11 and the housing base 12. A polygonal connecting groove 323 is formed on an end surface of the central shaft of the main gear 32, and the polygonal connecting groove 323 is used for connecting the driving shaft and the motor, so as to drive the main gear 32 to rotate.
The rotation stopping return assembly 4 comprises a limiting plate 41 and a spring. One end of the limit plate 41 is connected to the housing 12, and the other end extends toward the main gear 32 and can swing in the radial direction of the main gear 32; the spring suit is on being located the locating pin 42 of shell seat 12 inside wall, and the both ends of spring support respectively on the inside wall of shell seat 12 and the lateral wall that limiting plate 41 dorsad master gear 32 simultaneously to press the other end of limiting plate 41 to the lateral wall of master gear 32, make limiting plate 41 laminate on the lateral wall of master gear 32 all the time.
In this embodiment, the main gear 32 is axially divided into a gear section and a smooth section 321, the reset step 322 is located on the smooth section 321, and the spring pushes the stopper plate 41 to be attached to the smooth section 321, so as to facilitate the rotation of the main gear 32.
The shell base 12 is provided with a connecting groove 122, the bottom of the connecting groove 122 is provided with a positioning strip 123, the lower side surface of the limiting plate 41 close to the end part is provided with a limiting groove 411 for the positioning strip 123 to be clamped in, and meanwhile, the width of the connecting groove 122 is larger than the thickness of the limiting plate 41, so that the limiting plate 41 can swing relative to the connecting groove 122; after the cover plate 11 is positioned in the notch of the mounting groove 124, the up-and-down movement of the stopper plate 41 can be restricted, thereby positioning the stopper plate 41.
A connecting plate 121 to which a handle of a wrench is connected is provided on the rear surface of the head housing 1, i.e., the rear surface of the housing base 12.
When in use, the wrench head of the present invention is required to be connected to the handle of the wrench, so that the motor driving component in the handle of the wrench is connected with the main gear 32 to drive the gear transmission set 3 to transmit, and drive the jacket 2 to rotate. In the using process, the motor driving assembly in the handle drives the jacket 2 to rotate in the resetting direction, namely the clockwise direction shown in fig. 4, through the gear transmission set 3, so that the limiting plate 41 abuts against the resetting step 322, the jacket 2 stops rotating and is kept at the initial position, the claw port 13 and the jacket 2 can be clamped to a joint through a cable, and then the motor driving assembly drives the jacket 2 to continuously rotate in the direction for screwing the joint, namely the anticlockwise direction shown in fig. 4, so as to screw the joint; after screwing, the jacket axially withdraws from the joint, then the motor driving assembly drives the jacket 2 to reset, and the jacket 2 and the claw port 13 withdraw from the cable at the tail part of the joint. In the process, the convenience of fastening the joint by an operator is obviously improved.
When the connector is screwed down and the limit plate 41 abuts against the reset step 322, the motor driving assembly stops outputting when the resistance force applied to the motor driving assembly is greater than a set value.
Unless otherwise specified, in the present invention, if the terms "width", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", "axial", "radial", "circumferential", etc. indicate an orientation or a positional relationship based on the orientation or the positional relationship shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or the element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore the terms describing the orientation or the positional relationship in the present invention are only used for exemplary illustration and are not to be construed as limitations of the present patent, and those of ordinary skill in the art can understand the specific meaning of the above terms according to the specific circumstances with reference to the drawings.
Unless expressly stated or limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly and encompass, for example, being fixedly connected, detachably connected, or integrally connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.
The above description is only a preferred embodiment of the present invention, and the protection scope of the present invention is not limited to the above embodiments, and all technical solutions belonging to the idea of the present invention belong to the protection scope of the present invention. It should be noted that modifications and embellishments within the scope of the invention may occur to those skilled in the art without departing from the principle of the invention, and are considered to be within the scope of the invention.
Claims (7)
1. An electrodynamic type opening spanner head, characterized by: comprises a head shell, a jacket arranged on the head shell, a gear transmission set and a rotation stopping reset assembly;
the front end of the head shell is provided with a claw opening for radial entry of a cable;
the clamping sleeve is axially butted with the claw port and axially limited and can rotate in the circumferential direction, and the clamping sleeve is provided with a side opening for a cable to enter in the radial direction and tooth grooves arranged around the circumference of the outer side wall of the clamping sleeve;
the gear transmission set comprises a main gear and two intermediate gears connected between the main gear and the tooth grooves so as to drive the jacket to continuously rotate in the joint screwing direction and rotate in the resetting direction relative to the claw openings;
have the step that resets on the lateral wall of master gear, spline reset assembly elasticity formula laminating on the master gear lateral wall, when the spline reset assembly supports and leans on in spacing step, can restrict to press from both sides the cover and rotate in the direction that resets, press from both sides the cover simultaneously and be in initial position and press from both sides the opening of cover and correspond with the opening of claw mouth.
2. The electric open spanner head as claimed in claim 1, wherein: the inner wall of the claw opening is provided with a lower limit part for supporting the lower end surface of the jacket or the lower end surface of the tooth socket and an upper limit part for abutting against the upper end surface of the jacket or the upper end surface of the tooth socket.
3. The electric open spanner head as claimed in claim 2, wherein: the head shell comprises a shell seat and a cover plate, an upper round opening and a lower round opening are respectively arranged at the head of the cover plate and the head of the bottom wall of the shell seat, and the claw opening is formed by butting the upper round opening and the lower round opening;
the diameter of the lower round opening is smaller than that of the upper round opening, the lower limiting part is formed by extending the edge part of the bottom wall of the lower shell seat corresponding to the lower round opening into the claw opening, and the upper limiting part is formed by bending the edge part of the cover plate corresponding to the upper round opening downwards.
4. The electric open spanner head as claimed in claim 3, wherein: the lower end of the jacket is provided with a limiting groove, and the inner wall of the lower limiting part is bent upwards to enter the limiting groove.
5. The electric open spanner head as claimed in claim 1, wherein: the central angle that presss from both sides the formation of cover upside opening is less than 180 degrees, and the width of open side is less than the distance between two intermediate gear center shafts simultaneously, and the opening width of claw mouth is less than or equal to the width of open side.
6. The electric open spanner head as claimed in claim 1, wherein: the rotation stopping reset assembly comprises a limiting plate and a spring;
one end of the limiting plate is connected with the head shell, and the other end of the limiting plate extends towards the main gear and can swing in the radial direction of the main gear;
the spring is supported on the side walls of the head shell and the limiting plate, which are opposite to the main gear, so that the other end of the limiting plate is pressed towards the side wall of the main gear.
7. The electric open spanner head as claimed in claim 1, wherein: the back of the head shell is provided with a connecting plate for connecting a handle of a wrench.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211311732.3A CN115674072A (en) | 2022-10-25 | 2022-10-25 | Electric open spanner head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211311732.3A CN115674072A (en) | 2022-10-25 | 2022-10-25 | Electric open spanner head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115674072A true CN115674072A (en) | 2023-02-03 |
Family
ID=85099872
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211311732.3A Pending CN115674072A (en) | 2022-10-25 | 2022-10-25 | Electric open spanner head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115674072A (en) |
-
2022
- 2022-10-25 CN CN202211311732.3A patent/CN115674072A/en active Pending
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