CN217195031U - Miniature vertical ratchet hand - Google Patents
Miniature vertical ratchet hand Download PDFInfo
- Publication number
- CN217195031U CN217195031U CN202221092936.8U CN202221092936U CN217195031U CN 217195031 U CN217195031 U CN 217195031U CN 202221092936 U CN202221092936 U CN 202221092936U CN 217195031 U CN217195031 U CN 217195031U
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- gear
- fixedly connected
- handle
- rod
- connecting sleeve
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Abstract
The utility model discloses a miniature perpendicular ratchet hand relates to ratchet spanner technical field. The utility model comprises a handle bar, a connecting piece and a quick-change head; a ratchet wheel is fixedly connected to one end of the peripheral side surface of the handle rod, which is close to the handle rod; the connecting piece comprises a connecting sleeve; the inner bottom surface of the connecting sleeve is rotationally matched with a rotating shaft; the peripheral side of the mounting block is symmetrically and fixedly connected with an L-shaped deflector rod; the inner bottom surface of the connecting sleeve is symmetrically and fixedly connected with connecting rods at two sides of the rotating shaft; the connecting rod is matched with a pawl in a rotating way. The utility model adjusts the front and back directions of the gear handle to enable the gear strip to act on the rotating gear, thereby driving the L-shaped deflector rod to rotate and extrude the pawl on one side, enabling the pawl on the other side to block the ratchet wheel, enabling the handle rod to rotate clockwise and anticlockwise in a one-way and continuous way, and the whole device has smaller size and is suitable for small-sized instruments; the rack drives the rotating gear to drive the L-shaped deflector rod to rotate, so that the traditional gear slide block for rotating the special-shaped curved surface shape is replaced, and the manufacturing requirement is reduced.
Description
Technical Field
The utility model belongs to the technical field of ratchet spanner, especially, relate to a miniature perpendicular ratchet hand.
Background
The traditional ratchet handle rotates by an end cover, is limited by the structure, is large in general shape and is not suitable for small-sized instruments; simultaneously, most traditional ratchet handle is through rotatory gear slider, the clockwise, anticlockwise one-way continuous motion of control end cover, and traditional gear slider nevertheless belongs to special-shaped curved surface shape, and the preparation requirement is higher, and easy wearing and tearing lead to scrapping.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a miniature perpendicular ratchet hand through adjustment gear handle fore-and-aft direction for the gear strip is used for the running gear, thereby drives L shape driving lever and rotates the pawl of extrusion one side, makes the pawl of opposite side block the ratchet, makes the handle bar can only one-way continuous rotation, and whole device simple structure, preparation requirement are lower, prolonged its life.
In order to solve the technical problem, the utility model discloses a realize through following technical scheme:
the utility model relates to a micro vertical ratchet hand, which comprises a handle rod, a connecting piece and a quick-change head; the handle rod is in rotating fit with the connecting piece; the quick-change head is in plug-in fit with the handle rod; the quick-change head is in running fit with the connecting piece; a ratchet wheel is fixedly connected to one end of the peripheral side surface of the handle rod, which is close to the handle rod; the connecting piece comprises a connecting sleeve; the inner bottom surface of the connecting sleeve is rotatably matched with a rotating shaft; one end of the rotating shaft is fixedly connected with an installation block; the peripheral side surface of the mounting block is symmetrically and fixedly connected with an L-shaped deflector rod;
the inner bottom surface of the connecting sleeve is symmetrically and fixedly connected with connecting rods at two sides of the rotating shaft; the connecting rod is rotatably matched with a pawl; and a conical spring is fixedly connected between the pawl and the inner wall of the connecting sleeve.
Furthermore, one end of the handle rod is provided with a first hexagonal groove; the other end of the handle rod is provided with a second hexagonal groove; the side surface of the handle rod is provided with anti-skid grains; the first hexagonal groove and the second hexagonal groove are magnetized; the quick-change head is matched with the first hexagonal groove in an inserting mode.
Further, the quick-change head comprises a hexagonal sleeve; the hexagonal column is fixedly connected to the side face of the hexagonal sleeve; the hexagonal column is in inserting fit with the first hexagonal groove.
Furthermore, an annular groove channel is formed in the peripheral side face of the handle rod; the inner bottom surface of the connecting sleeve is provided with a rotating hole; an annular rail is fixedly connected to the inner peripheral side surface of the rotating hole; the annular rail is in running fit with the annular groove; the circumferential side surface of the connecting sleeve is fixedly connected with an annular handle.
Furthermore, the other end of the rotating shaft penetrates through the inner bottom surface of the connecting sleeve and is fixedly connected with a rotating gear; the side surface of the connecting sleeve is fixedly connected with a limiting baffle; the limiting baffle is in sliding fit with a gear rack; the gear rack is meshed with the rotating gear; one end of the gear strip is fixedly connected with a gear handle.
Furthermore, a first gear hole, a second gear hole and a third gear hole are sequentially formed in the side face of the connecting sleeve; the side surface of the gear rack is fixedly connected with an installation frame; the mounting frame is in sliding fit with an L-shaped gear rod; the L-shaped gear lever is respectively in inserting fit with the first gear hole, the second gear hole and the third gear hole; and a return spring is fixedly connected between the L-shaped gear lever and the mounting frame.
The utility model discloses following beneficial effect has:
1. the utility model discloses an adjustment gear handle fore-and-aft direction for the gear strip is used for the running gear, thereby drives L shape driving lever and rotates the pawl of extrusion one side, makes the pawl of opposite side block the ratchet, makes the handle bar can only clockwise, anticlockwise one-way continuous rotation, and whole device size is less, be applicable to small-size apparatus.
2. The utility model discloses a rack drives the rolling gear thereby drives L shape driving lever and rotates, replaces the gear slider of the rotatory dysmorphism curved surface shape of tradition, has reduced the preparation requirement, has prolonged its life.
Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.
Drawings
In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.
Fig. 1 is a schematic structural view of a miniature vertical ratchet hand of the present invention.
Fig. 2 is a schematic structural view of the handle bar of the present invention.
Fig. 3 is a schematic structural view of the right viewing angle of the handle bar of the present invention.
Fig. 4 is a schematic structural diagram of the connecting member of the present invention.
Fig. 5 is a schematic structural view of another angle of the connecting member of the present invention.
Fig. 6 is an enlarged schematic view of a structure in fig. 5 according to the present invention.
Fig. 7 is a schematic structural view of the pawl of the present invention.
Fig. 8 is a schematic structural view of the quick-change head of the present invention.
In the drawings, the components represented by the respective reference numerals are listed below:
1-handle bar, 2-connecting piece, 3-quick-change head, 4-ratchet wheel, 5-connecting sleeve, 6-rotating shaft, 7-L-shaped deflector rod, 8-connecting rod, 9-pawl, 10-conical spring, 11-first hexagonal groove, 12-second hexagonal groove, 13-anti-slip pattern, 14-hexagonal sleeve, 15-hexagonal column, 16-annular groove channel, 17-rotating hole, 18-annular rail, 19-annular handle, 20-rotating gear, 21-limit baffle, 22-gear bar, 23-gear handle, 24-first gear hole, 25-second gear hole, 26-third gear hole, 27-mounting frame, 28-L-shaped gear rod, 29-return spring and 30-mounting block.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.
Referring to fig. 1-8, the present invention relates to a miniature vertical ratchet hand, which comprises a handle bar 1, a connecting piece 2 and a quick-change head 3; the handle lever 1 is in running fit with the connecting piece 2; the quick-change head 3 is matched with the handle rod 1 in an inserting way; the quick-change head 3 is in running fit with the connecting piece 2; a ratchet wheel 4 is fixedly connected to one end of the peripheral side surface of the handle rod 1; the connecting piece 2 comprises a connecting sleeve 5; the inner bottom surface of the connecting sleeve 5 is matched with a rotating shaft 6 in a rotating way; one end of the rotating shaft 6 is fixedly connected with an installation block 30; the circumferential side surface of the mounting block 30 is symmetrically and fixedly connected with an L-shaped deflector rod 7; the inner bottom surface of the connecting sleeve 5 is symmetrically and fixedly connected with connecting rods 8 at two sides of the rotating shaft 6; the connecting rod 8 is matched with a pawl 9 in a rotating way; a conical spring 10 is fixedly connected between the pawl 9 and the inner wall of the connecting sleeve 5.
The rack 22 drives the rotating gear 20 to drive the L-shaped deflector rod 7 to rotate, so that the traditional gear slide block with a rotary special-shaped curved surface shape is replaced, the manufacturing requirement is reduced, and the service life of the gear slide block is prolonged.
Wherein, one end of the handle bar 1 is provided with a first hexagonal groove 11; the other end of the handle rod 1 is provided with a second hexagonal groove 12; the peripheral side surface of the handle rod 1 is provided with anti-skid grains 13; the first hexagonal groove 11 and the second hexagonal groove 12 are magnetized; the quick-change head 3 is matched with the first hexagonal groove 11 in an inserting way.
The quick-change head 3 comprises a hexagonal sleeve 14; the hexagonal column 15 is fixedly connected to the side surface of the hexagonal sleeve 14; the hexagonal column 15 is in plug fit with the first hexagonal groove 11.
The first hexagonal groove 11 and the second hexagonal groove 12 are magnetized, so that the use is convenient; the second hexagonal groove 12 is inserted through an external hexagonal wrench, so that the force arm is conveniently prolonged, and the use is convenient.
Wherein, the peripheral side surface of the handle bar 1 is provided with an annular groove 16; the inner bottom surface of the connecting sleeve 5 is provided with a rotating hole 17; an annular rail 18 is fixedly connected to the inner peripheral side surface of the rotating hole 17; the annular rail 18 is rotationally engaged with the annular channel 16; the circumferential side surface of the connecting sleeve 5 is fixedly connected with an annular handle 19; the annular handle 19 is arranged to facilitate the holding of the connecting piece 2 by an operator.
Wherein, the other end of the rotating shaft 6 penetrates through the inner bottom surface of the connecting sleeve 5 and is fixedly connected with a rotating gear 20; the side surface of the connecting sleeve 5 is fixedly connected with a limit baffle 21; the limit baffle 21 is in sliding fit with a gear strip 22; the gear rack 22 is meshed with the rotating gear 20; one end of the gear rack 22 is fixedly connected with a gear handle 23.
When the L-shaped shift lever 28 is inserted into the first shift hole 24, the rotating gear 20 rotates anticlockwise to drive the mounting block 7 to rotate clockwise, so that the L-shaped shift lever 7 rotates to abut against the corresponding pawl 9, the other pawl 9 abuts against the ratchet 4 under the action of the corresponding conical spring 10, and the ratchet 4 and the handle lever 1 can only rotate clockwise and unidirectionally and continuously; similarly, when the L-shaped shift lever 28 is inserted into the second stopping hole 25, the pawls 9 on both sides abut against the ratchet 4 under the action of the corresponding conical springs 10, so that the ratchet 4 and the handle lever 1 cannot rotate; when the L-shaped gear lever 28 is inserted into the third gear hole 26, the ratchet 4 and the handle lever 1 can rotate continuously in a counterclockwise direction.
A first gear hole 24, a second gear hole 25 and a third gear hole 26 are sequentially formed in the side surface of the connecting sleeve 5; the side surface of the gear rack 22 is fixedly connected with a mounting frame 27; the mounting frame 27 is slidably fitted with an L-shaped shift lever 28; the L-shaped gear rod 28 is respectively matched with the first gear hole 24, the second gear hole 25 and the third gear hole 26 in an inserting way; a return spring 29 is fixedly connected between the L-shaped shift lever 28 and the mounting frame 27.
Pulling the gear handle 23 to drive the gear strip 22 to slide along the limit baffle 21; under the elastic force of the return spring 29, the L-shaped shift lever 28 is driven to be inserted into the corresponding shift hole along the mounting frame 27.
The utility model discloses a concrete theory of operation does:
pulling the gear handle 23 to drive the gear strip 22 to slide along the limit baffle 21; under the elastic acting force of the return spring 29, the L-shaped shift lever 28 is driven to be inserted into the corresponding shift hole along the mounting frame 27; when the L-shaped shift lever 28 is inserted into the first shift hole 24, the rotating gear 20 rotates anticlockwise to drive the mounting block 7 to rotate clockwise, so that the L-shaped shift lever 7 rotates to abut against the corresponding pawl 9, the other pawl 9 abuts against the ratchet 4 under the action of the corresponding conical spring 10, and the ratchet 4 and the handle lever 1 can only rotate clockwise and unidirectionally and continuously; similarly, when the L-shaped shift lever 28 is inserted into the second stopping hole 25, the pawls 9 on both sides abut against the ratchet 4 under the action of the corresponding conical springs 10, so that the ratchet 4 and the handle lever 1 cannot rotate; when the L-shaped gear lever 28 is inserted into the third gear hole 26, the ratchet wheel 4 and the handle lever 1 can only rotate anticlockwise and unidirectionally and continuously; the rack 22 drives the rotating gear 20 to drive the L-shaped deflector rod 7 to rotate, so that the traditional gear slide block with a rotary special-shaped curved surface shape is replaced, the manufacturing requirement is reduced, and the service life of the gear slide block is prolonged.
In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.
The preferred embodiments of the present invention disclosed above are intended to aid in the description of the invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.
Claims (6)
1. A miniature vertical ratchet hand comprises a handle rod (1), a connecting piece (2) and a quick change head (3); the handle rod (1) is in running fit with the connecting piece (2); the quick-change head (3) is in plug-in fit with the handle rod (1); the quick-change head (3) is in running fit with the connecting piece (2);
the method is characterized in that:
a ratchet wheel (4) is fixedly connected to one end of the peripheral side surface of the handle rod (1) close to one end; the connecting piece (2) comprises a connecting sleeve (5); a rotating shaft (6) is rotatably matched with the inner bottom surface of the connecting sleeve (5); one end of the rotating shaft (6) is fixedly connected with an installation block (30); the peripheral side surface of the mounting block (30) is symmetrically and fixedly connected with an L-shaped deflector rod (7);
the inner bottom surface of the connecting sleeve (5) is positioned at two sides of the rotating shaft (6) and is symmetrically and fixedly connected with connecting rods (8); the connecting rod (8) is rotatably matched with a pawl (9); a conical spring (10) is fixedly connected between the pawl (9) and the inner wall of the connecting sleeve (5).
2. A miniature troxer according to claim 1 wherein said handle bar (1) has a first hexagonal slot (11) formed at one end; the other end of the handle rod (1) is provided with a second hexagonal groove (12); the side surface of the handle rod (1) is provided with anti-skid grains (13); the first hexagonal groove (11) and the second hexagonal groove (12) are magnetized; the quick-change head (3) is in plug-in fit with the first hexagonal groove (11).
3. A miniature troxer hand as claimed in claim 2, wherein said quick-change head (3) comprises a hexagonal sleeve (14); the hexagonal column (15) is fixedly connected to the side surface of the hexagonal sleeve (14); the hexagonal column (15) is in plug-in fit with the first hexagonal groove (11).
4. A miniature troxer hand as claimed in claim 1, wherein said handle lever (1) is provided with an annular groove (16) on its peripheral side; the inner bottom surface of the connecting sleeve (5) is provided with a rotating hole (17); an annular rail (18) is fixedly connected to the inner peripheral side surface of the rotating hole (17); the annular rail (18) is in running fit with the annular groove (16); the circumferential side surface of the connecting sleeve (5) is fixedly connected with an annular handle (19).
5. The miniature vertical ratchet wrench according to claim 1, wherein the other end of the rotating shaft (6) penetrates through the inner bottom surface of the connecting sleeve (5) and is fixedly connected with a rotating gear (20); the side surface of the connecting sleeve (5) is fixedly connected with a limit baffle (21); the limiting baffle (21) is in sliding fit with a gear rack (22); the gear rack (22) is meshed with the rotating gear (20); one end of the gear rack (22) is fixedly connected with a gear handle (23).
6. The miniature vertical ratchet wrench as claimed in claim 5, wherein the connecting sleeve (5) is provided with a first gear hole (24), a second gear hole (25) and a third gear hole (26) on the side in sequence; the side surface of the gear rack (22) is fixedly connected with a mounting frame (27); the mounting frame (27) is in sliding fit with an L-shaped gear lever (28); the L-shaped gear rod (28) is respectively in inserting fit with the first gear hole (24), the second gear hole (25) and the third gear hole (26); and a return spring (29) is fixedly connected between the L-shaped gear lever (28) and the mounting frame (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092936.8U CN217195031U (en) | 2022-05-09 | 2022-05-09 | Miniature vertical ratchet hand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221092936.8U CN217195031U (en) | 2022-05-09 | 2022-05-09 | Miniature vertical ratchet hand |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN217195031U true CN217195031U (en) | 2022-08-16 |
Family
ID=82778679
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202221092936.8U Active CN217195031U (en) | 2022-05-09 | 2022-05-09 | Miniature vertical ratchet hand |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN217195031U (en) |
-
2022
- 2022-05-09 CN CN202221092936.8U patent/CN217195031U/en active Active
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