CN221111595U - Pear-shaped ratchet head with changeable head - Google Patents
Pear-shaped ratchet head with changeable head Download PDFInfo
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- CN221111595U CN221111595U CN202323184900.XU CN202323184900U CN221111595U CN 221111595 U CN221111595 U CN 221111595U CN 202323184900 U CN202323184900 U CN 202323184900U CN 221111595 U CN221111595 U CN 221111595U
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- 230000008859 change Effects 0.000 claims description 11
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- 235000014443 Pyrus communis Nutrition 0.000 claims 5
- 238000009434 installation Methods 0.000 abstract description 12
- 238000003825 pressing Methods 0.000 abstract description 4
- 238000011900 installation process Methods 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000008569 process Effects 0.000 description 3
- 238000013016 damping Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
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Abstract
The utility model discloses a pear-shaped ratchet head with a changeable head, which comprises a rod handle, wherein the bottom of the rod handle is fixedly connected with a grip, the top of the rod handle is clamped with a changing mechanism, the top of the changing mechanism is fixedly connected with a ratchet head body, the ratchet head body is provided with a plum blossom sleeve, the top of the inner wall of the rod handle is provided with a positioning mechanism, the changing mechanism comprises a first connecting block and a second connecting block, and the bottom of the first connecting block is connected with the second connecting block in a sliding manner. The ratchet head body and the plum blossom sleeve can be forced to work by the rod handle and the grip, the replacement mechanism can be inserted into the rod handle for quick installation, and the locking mechanism and the positioning mechanism which are installed on the second connecting block can be quickly installed and positioned only by pressing the first connecting block and the second connecting block in the installation process, so that the installation is simple and quick, and the one-key installation and fixation can be realized.
Description
Technical Field
The utility model relates to the technical field of wrenches, in particular to a pear-shaped ratchet head with a replaceable head.
Background
The ratchet wrench is a manual screw tightening tool, and is a single-head double-head multi-specification ratchet ring spanner with movable handles (fixed hole). Is connected by the main plum blossom sleeves with different specifications and sizes and the auxiliary plum blossom sleeves through the way of the occlusion of the female key and the male key of the hinge key. Because one quincuncial sleeve is provided with the quincuncial through holes with two specifications, the quincuncial sleeve can be used for tightening and loosening screws with two specifications, thereby expanding the application range and saving the raw materials and the labor cost. The movable spanner can conveniently adjust the using angle of the spanner. The wrench is used for tightening and loosening screws, and has the characteristics of strong applicability, convenient use and low manufacturing cost.
The plum blossom sleeve is usually fixedly connected with the rod handle when the ratchet wrench is used, so that the applicability of the existing ratchet wrench is poor, the replacing process of some replaceable ratchet heads is complicated, and the ratchet wrench which is directly rotated and replaced by threads is easy to rust and slide wires and difficult to detach because of long-time use.
Disclosure of utility model
The utility model aims to provide a pear-shaped ratchet head with a replaceable head, which solves the problems in the prior art.
In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a changeable first pear-shaped ratchet head, includes the pole handle, the bottom fixedly connected with handle of pole handle, the top joint of pole handle has the change mechanism, the top fixedly connected with ratchet head body of change mechanism, be provided with the plum blossom cover on the ratchet head body, the top of pole handle inner wall is provided with positioning mechanism, change mechanism includes first connecting block and second connecting block, the bottom sliding connection of first connecting block has the second connecting block, the surface rotation of second connecting block is installed multiunit locking mechanism, locking mechanism and the mutual joint of positioning mechanism.
Further, positioning mechanism includes fixed block, first constant head tank and holding ring, fixed block fixed mounting is inside the pole handle, the top fixed mounting of fixed block has the holding ring, first constant head tank has been seted up on fixed block and the holding ring.
Further, the second constant head tank has been seted up at the top of first connecting block inner wall, the inside sliding connection of first connecting block has the second connecting block, the top fixedly connected with of second connecting block extends to the inside second locating piece of second constant head tank, the bottom fixedly connected with of second connecting block extends to the inside first positioning block of first constant head tank, through first spring fixed connection between first connecting block and the second connecting block, one side of first connecting block is provided with the locating lever, the one end of locating lever passes first connecting block and extends to the inside of second connecting block.
Further, the locking mechanism comprises a fixing piece, a pin shaft, a clamping hook, a driving surface and a second spring, wherein the fixing piece is fixedly connected with the outer wall of the second connecting block, the clamping hook is rotationally connected to the fixing piece through the pin shaft and is clamped at the bottom of the positioning ring, the outer surface of the second connecting block is fixedly connected with the clamping hook through the second spring, and driving surfaces attached to the clamping hook are arranged on two sides of the bottom of the first connecting block.
Further, the cross sections of the second positioning groove, the second positioning block, the first positioning groove and the first positioning block are all rectangular.
Further, an anti-slip pad made of rubber materials is laid on the outer surface of the grip.
Compared with the prior art, the utility model has the following beneficial effects: the ratchet head body and the plum blossom sleeve can be forced to work by the rod handle and the grip, the replacement mechanism can be inserted into the rod handle for quick installation, and the locking mechanism and the positioning mechanism which are installed on the second connecting block can be quickly installed and positioned only by pressing the first connecting block and the second connecting block in the installation process, so that the installation is simple and quick, and the one-key installation and fixation can be realized.
Drawings
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a side cross-sectional connection of the exchange mechanism to the shaft of the present utility model.
In the figure: 1 bar handle, 2 handles, 3 replacement mechanism, 4 ratchet head body, 5 plum blossom cover, 6 positioning mechanism, 7 first connecting block, 8 second connecting block, 9 locking mechanism, 10 fixed block, 11 first constant head tank, 12 first constant head tank, 13 second constant head tank, 14 second constant head tank, 15 first spring, 16 stationary blade, 17 round pin axle, 18 pothook, 19 driving surface, 20 holding ring, 21 second spring, 22 locating lever.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Referring to fig. 1-2, the present utility model provides a technical solution: the utility model provides a changeable first pear-shaped ratchet head, includes pole handle 1, the bottom fixedly connected with handle 2 of pole handle 1, the top joint of pole handle 1 has change mechanism 3, the top fixedly connected with ratchet head body 4 of change mechanism 3, be provided with plum blossom cover 5 on the ratchet head body 4, the top of pole handle 1 inner wall is provided with positioning mechanism 6, change mechanism 3 includes first connecting block 7 and second connecting block 8, the bottom sliding connection of first connecting block 7 has second connecting block 8, the surface rotation of second connecting block 8 is installed multiunit locking mechanism 9, locking mechanism 9 and the mutual joint of positioning mechanism 6.
Wherein, the pole handle 1 and the handle 2 that set up can be to ratchet head body 4 and plum blossom cover 5 application of force work, and the change mechanism 3 that sets up can insert to the pole handle 1 inside install fast to only need press first connecting block 7 and second connecting block 8 at the in-process of installation, alright make the locking mechanism 9 of installing on second connecting block 8 realize quick installation location with positioning mechanism 6, such installation is simple quick, can realize that a key installation is fixed.
Referring to fig. 1 and 2, a second positioning slot 13 is formed at the top of the inner wall of the first connecting block 7, a second connecting block 8 is slidably connected in the first connecting block 7, a second positioning block 14 extending into the second positioning slot 13 is fixedly connected to the top of the second connecting block 8, a first positioning block 12 extending into the first positioning slot 11 is fixedly connected to the bottom of the second connecting block 8, the first connecting block 7 and the second connecting block 8 are fixedly connected through a first spring 15, a positioning rod 22 is disposed on one side of the first connecting block 7, and one end of the positioning rod 22 penetrates through the first connecting block 7 and extends into the second connecting block 8.
Wherein, when needs change ratchet head body 4 and plum blossom cover 5, insert first connecting block 7 and second connecting block 8 to the inside of pole handle 1, the in-process second constant head tank 13 that continues to press later is spacing each other with second locating piece 14, and first constant head tank 12 then can insert the inside of first constant head tank 11 and carry out spacing, and the effect of first spring 15 can make first connecting block 7 and second connecting block 8 quick separation when first connecting block 7 and second connecting block 8 take out, and can utilize locating lever 22 to insert the location after first connecting block 7 and second connecting block 8 are installed in place.
Referring to fig. 1 and 2, the positioning mechanism 6 includes a fixing block 10, a first positioning slot 11 and a positioning ring 20, the fixing block 10 is fixedly mounted inside the rod handle 1, the positioning ring 20 is fixedly mounted at the top of the fixing block 10, the first positioning slot 11 is provided on the fixing block 10 and the positioning ring 20, the locking mechanism 9 includes a fixing plate 16, a pin shaft 17, a hook 18, a driving surface 19 and a second spring 21, the outer wall of the second connecting block 8 is fixedly connected with the fixing plate 16, the hook 18 is rotationally connected on the fixing plate 16 through the pin shaft 17, the hook 18 is clamped at the bottom of the positioning ring 20, the outer surface of the second connecting block 8 is fixedly connected with the hook 18 through the second spring 21, driving surfaces 19 attached to the hook 18 are provided on two sides of the bottom of the first connecting block 7, damping pads made of elastic materials are provided on the outer surface of the positioning rod 22, and the damping pads can prevent the positioning rod 22 from falling from the inner parts of the first connecting block 7 and the second connecting block 8.
After the bottom of the second connection block 8 contacts with the positioning ring 20, the first connection block 7 continues to be pressed down, the driving surface 19 which is obliquely arranged can be used for contacting with the hook 18 and driving the hook 18 to move inwards, so that the hook 18 and the positioning ring 20 can be used for positioning and clamping with each other, and when the hook 18 and the positioning ring 20 are required to be separated from each other, the positioning rod 22 is taken down, because the first spring 15 and the second spring 21 are driven, the first connection block 7 and the second connection block 8 can slide away from each other, and the second spring 21 can push the hook 18 to be opened along the pin shaft 17, so that the first connection block 7 and the second connection block 8 can be conveniently and rapidly taken out from the inside of the rod handle 1.
Referring to fig. 1 and 2, the cross sections of the second positioning groove 13, the second positioning block 14, the first positioning groove 11 and the first positioning block 12 are rectangular.
Wherein, the cross section is rectangular second constant head tank 13, second locating piece 14, first constant head tank 11 and first constant head tank 12, and locating lever 22 mounted position between first connecting block 7 and the second connecting block 8 corresponds each other when can be convenient.
Referring to fig. 1, an anti-slip pad made of rubber material is laid on the outer surface of the grip 2, and the arrangement of the protection pad can facilitate the operator to grip the grip 2.
When in use, the set bar handle 1 and the handle 2 can apply force to the ratchet head body 4 and the plum blossom sleeve 5, the set replacing mechanism 3 can be inserted into the bar handle 1 for quick installation, and the locking mechanism 9 and the positioning mechanism 6 mounted on the second connecting block 8 can be quickly mounted and positioned only by pressing the first connecting block 7 and the second connecting block 8 in the process of installation, so that the mounting is simple and quick, the one-key mounting and fixing can be realized, when the ratchet head body 4 and the plum blossom sleeve 5 are required to be replaced, the first connecting block 7 and the second connecting block 8 are inserted into the bar handle 1, then the second positioning groove 13 and the second positioning block 14 are mutually limited in the process of continuous pressing, the first positioning groove 12 is inserted into the first positioning groove 11 for limiting, the first spring 15 can make the first connection block 7 and the second connection block 8 quickly separate when the first connection block 7 and the second connection block 8 are taken out, the first connection block 7 and the second connection block 8 can be inserted and positioned by the positioning rod 22 after being installed in place, the first connection block 7 can be continuously pressed down after the bottom of the second connection block 8 contacts the positioning ring 20, the driving surface 19 which is obliquely arranged can be used for contacting the clamping hook 18 and driving the clamping hook 18 to move inwards, so that the clamping hook 18 and the positioning ring 20 can be mutually positioned and clamped by the clamping hook 18, and when the clamping hook 18 and the positioning ring 20 are required to be separated from each other, the positioning rod 22 is removed, the first connection block 7 and the second connection block 8 can be mutually slid and separated by the driving of the first spring 15 and the second spring 21, the clamping hook 18 can be pushed to be opened along the pin 17 by the second spring 21, this facilitates the quick removal of the first connection block 7 and the second connection block 8 from the interior of the shank 1.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. The utility model provides a changeable first pear-shaped ratchet head, includes pole handle (1), the bottom fixedly connected with handle (2) of pole handle (1), its characterized in that: the utility model discloses a ratchet mechanism for the bicycle, including handle (1), ratchet mechanism (3), ratchet mechanism (1), wherein the top joint has change mechanism (3), the top fixedly connected with ratchet head body (4) of change mechanism (3), be provided with plum blossom cover (5) on ratchet head body (4), the top of handle (1) inner wall is provided with positioning mechanism (6), change mechanism (3) include first connecting block (7) and second connecting block (8), the bottom sliding connection of first connecting block (7) has second connecting block (8), multiunit locking mechanism (9) are installed in the surface rotation of second connecting block (8), locking mechanism (9) and positioning mechanism (6) looks joint.
2. A variable head pear ratchet head according to claim 1, wherein: the positioning mechanism (6) comprises a fixed block (10), a first positioning groove (11) and a positioning ring (20), wherein the fixed block (10) is fixedly arranged inside the rod handle (1), the positioning ring (20) is fixedly arranged at the top of the fixed block (10), and the first positioning groove (11) is formed in the fixed block (10) and the positioning ring (20).
3. A variable head pear ratchet head according to claim 2, wherein: second constant head tank (13) have been seted up at the top of first connecting block (7) inner wall, the inside sliding connection of first connecting block (7) has second connecting block (8), the top fixedly connected with of second connecting block (8) extends to second locating piece (14) inside second constant head tank (13), the bottom fixedly connected with of second connecting block (8) extends to first locating piece (12) inside first constant head tank (11), through first spring (15) fixed connection between first connecting block (7) and second connecting block (8), one side of first connecting block (7) is provided with locating lever (22), the one end of locating lever (22) passes first connecting block (7) and extends to the inside of second connecting block (8).
4. A variable head pear ratchet head according to claim 3, wherein: the locking mechanism (9) comprises a fixing piece (16), a pin shaft (17), a clamping hook (18), a driving surface (19) and a second spring (21), wherein the fixing piece (16) is fixedly connected with the outer wall of the second connecting block (8), the clamping hook (18) is rotationally connected to the fixing piece (16) through the pin shaft (17), the clamping hook (18) is clamped at the bottom of the positioning ring (20), the outer surface of the second connecting block (8) is fixedly connected with the clamping hook (18) through the second spring (21), and driving surfaces (19) attached to the clamping hook (18) are arranged on two sides of the bottom of the first connecting block (7).
5. A variable head pear ratchet head according to claim 4, wherein: the cross sections of the second positioning groove (13), the second positioning block (14), the first positioning groove (11) and the first positioning block (12) are rectangular.
6. A variable head pear ratchet head according to claim 4, wherein: an anti-slip pad made of rubber materials is laid on the outer surface of the grip (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184900.XU CN221111595U (en) | 2023-11-24 | 2023-11-24 | Pear-shaped ratchet head with changeable head |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202323184900.XU CN221111595U (en) | 2023-11-24 | 2023-11-24 | Pear-shaped ratchet head with changeable head |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN221111595U true CN221111595U (en) | 2024-06-11 |
Family
ID=91338742
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202323184900.XU Active CN221111595U (en) | 2023-11-24 | 2023-11-24 | Pear-shaped ratchet head with changeable head |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN221111595U (en) |
-
2023
- 2023-11-24 CN CN202323184900.XU patent/CN221111595U/en active Active
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