CN221020781U

CN221020781U - Multi-station wrench

Info

Publication number: CN221020781U
Application number: CN202322619010.0U
Authority: CN
Inventors: 孙智慧; 张帆; 陈张平; 陈娇娜; 赵晓丹
Original assignee: Hangdian Haining Information Technology Research Institute Co ltd
Current assignee: Hangdian Haining Information Technology Research Institute Co ltd
Priority date: 2023-09-26
Filing date: 2023-09-26
Publication date: 2024-05-28
Anticipated expiration: 2033-09-26

Abstract

The utility model discloses a multi-station wrench which comprises a fixed module, a station adjusting module and a transmission module, wherein the transmission module is rotationally connected to the middle position of the fixed module, the station adjusting module can be movably connected to the edge of the fixed module, and the station adjusting module is used for adjusting the working position of a wrench head and drives the wrench head to work. According to the utility model, the working positions of the spanner heads are adjusted through the station adjusting module, so that the adaptation to screws distributed at various different positions is realized; when the screw is required to be disassembled, various different driving modes can be adopted according to different disassembly difficulties, so that the screw with larger disassembly difficulty can be ensured.

Description

Multi-station wrench

Technical Field

The utility model belongs to the technical field of hardware tools, and particularly relates to a multi-station wrench.

Background

The wrench is used as a common hardware tool when the automobile wheels are detached, but the current automobile hub screws are distributed in common parts although the number and the distribution positions are different, the current mode of detaching the screws one by one is unfavorable for improving the working efficiency, and the current wrench has no good coping method when encountering screws which are difficult to detach and have long service time due to the structural design, so that only a brute force can be applied, and the current multi-station wrench cannot finish the torque for adjusting the output so as to change the detaching or installing efficiency according to the practical situation of use.

Disclosure of Invention

Aiming at the problems existing in the prior art, the utility model provides a multi-station wrench.

The technical scheme adopted for solving the technical problems is as follows: the utility model provides a multistation spanner, includes fixed module, station adjustment module and transmission module, and fixed module middle part position rotation is connected with transmission module, but fixed module edge swing joint has station adjustment module, and station adjustment module is used for adjusting the working position of spanner head, and transmission module is in order to drive spanner head work.

Preferably, the fixing module comprises a fixing frame, and a supporting plate is arranged in the middle of the fixing frame.

Preferably, the whole fixing frame in the fixing module is annular, a hollow annular groove is formed in the ring body part, the ring body is of a double-layer structure, and the diameter of the annular groove is matched with the position of a corresponding automobile hub screw.

Preferably, the station adjusting module comprises an adjusting rod which is arranged in an annular groove of the fixing frame in a sliding manner, a clamping ring is fixedly connected to the adjusting rod, the clamping ring is arranged on the inner side of a layer of annular body of the fixing frame, one end of the adjusting rod is rotationally connected with a pinion, the pinion is arranged in an interlayer of the annular body of the fixing frame, a pinion shaft is fixedly connected to the pinion, a sleeve is detachably connected to the other end of the pinion shaft, a nut is connected to the adjusting rod in a threaded manner, and the nut and the clamping ring are matched to be used for fastening the adjusting rod at a corresponding position in the annular groove of the fixing frame.

Preferably, the transmission module comprises a main shaft rotationally connected with the supporting plate, the main shaft is located at the whole middle position of the fixing frame, a main gear is arranged at one end of the main shaft and meshed with the auxiliary gear, and a shape setting capable of being matched with a driving workpiece such as a spanner, an electric screwdriver head and the like is arranged at the other end of the main shaft.

Preferably, the multi-station wrench further comprises a multi-stage speed reduction module, the multi-stage speed reduction module is arranged in the protective shell, the protective shell is fixedly connected to the lower end of the folding part of the annular groove body of the fixing frame, the protective shell is connected with a switching screw in a threaded manner, the other end of the switching screw stretches into the protective shell and is connected with a primary speed reduction gear in a rotating manner, the primary speed reduction gear is meshed with the main gear, the other end of the primary speed reduction gear is fixedly connected with a speed reduction gear shaft, and the other end of the speed reduction gear shaft is provided with a shape which can be matched with a driving workpiece such as a wrench, an electric screwdriver head and the like.

Preferably, the multi-stage reduction module further comprises a worm meshed with the primary reduction gear, one end of the worm extends out of the protective shell, the other end of the worm is rotationally connected with the protective shell, and one end of the worm extending out of the protective shell is provided with a shape setting capable of being matched with an active workpiece such as a wrench, an electric screwdriver head and the like.

Preferably, the worm can be replaced with other speed reducers including, but not limited to, a worm, smaller gears, etc., or a combination of parts capable of speed reduction.

Preferably, the sleeve can be replaced with other universal wrench heads to accommodate other screw heads of different sizes and shapes.

The beneficial effects of the utility model are as follows:

1. The working position of the spanner head is adjusted through the station adjusting module, so that the adaptation to screws distributed at various different positions is realized; 2. when the screw is required to be disassembled, various different driving modes can be adopted according to different disassembly difficulties, so that the screw with larger disassembly difficulty can be ensured.

Drawings

FIG. 1 is a schematic view of the overall structure of a multi-station wrench according to an embodiment of the present utility model;

FIG. 2 is a schematic view of another angular configuration of a multi-position wrench according to an embodiment of the present utility model;

FIG. 3 is a schematic view of a multi-station wrench according to an embodiment of the present utility model;

Fig. 4 is a front view of fig. 1;

FIG. 5 is a side view of FIG. 1;

FIG. 6 is a rear view of FIG. 1;

fig. 7 is a schematic view of the structure at "A-A" of fig. 4.

The device comprises a fixing frame 10, a nut 11, an adjusting rod 12, a sleeve 13, a pinion 14, a main gear 15, a main shaft 16, a supporting plate 17, a protective shell 19, a reduction gear shaft 20, a worm 21, a switching screw 22, a primary reduction gear 23, a pinion shaft 24 and a clamping ring 25.

Detailed Description

The technical scheme of the utility model is further described below by the specific embodiments with reference to the accompanying drawings.

As shown in figures 1-7 of the drawings,

The utility model provides a multistation spanner, includes fixed module, station adjustment module and transmission module, and fixed module middle part position rotation is connected with transmission module, but fixed module edge swing joint has station adjustment module, and station adjustment module is used for adjusting the working position of spanner head, and transmission module is in order to drive spanner head work.

The fixed module comprises a fixed frame 10, and a supporting plate 17 is arranged in the middle of the fixed frame 10.

The whole mount 10 in the fixed module is annular, and the ring body part is provided with hollow ring channel, and the ring body adopts bilayer structure or multilayer ring, and the multilayer ring helps protecting middle transmission part, but does not influence the function realization. The diameter of the annular groove is matched with the position of the corresponding automobile hub screw.

The station adjusting module comprises adjusting rods 12 which are arranged in annular grooves of the fixing frame 10 in a sliding mode, and the number of the adjusting rods 12 is consistent with that of corresponding automobile hub screws. The adjustable rod is characterized in that a snap ring 25 is fixedly connected to the adjustable rod 12, the snap ring 25 is arranged on the inner side of one layer of ring body of the fixed frame 10, one end of the adjustable rod 12 is rotatably connected with a pinion 14, the pinion 14 is arranged in an interlayer of the ring body of the fixed frame 10, a pinion shaft 24 is fixedly connected to the pinion 14, the other end of the pinion shaft 24 is detachably connected with a sleeve 13, a nut 11 is connected to the adjustable rod 12 in a threaded manner, and the nut 11 is matched with the snap ring 25 and used for fastening the adjustable rod 12 at a corresponding position in an annular groove of the fixed frame 10. When the position of the sleeve 13 needs to be adjusted, the nut 11 can be loosened, the whole body is stirred to a desired position, and then the adjusting rod 12 is tightened again, so that the adjusting rod 12 and the fixing frame 10 are fastened together again.

The transmission module comprises a main shaft 16 rotatably connected with the supporting plate 17, the main shaft 16 is located at the middle of the whole fixing frame 10, a main gear 15 is arranged at one end of the main shaft 16, the main gear 15 is meshed with the auxiliary gear 14, and a shape setting capable of being matched with an active workpiece such as a wrench, an electric screwdriver head and the like is arranged at the other end of the main shaft 16. The main shaft 16 can be directly driven by the driving workpiece to rotate the main gear 15, so that the station adjusting module is driven to work.

The multi-station wrench further comprises a multi-stage reduction module, the multi-stage reduction module is arranged in the protective shell 19, the protective shell 19 is fixedly connected to the lower end of the folding part of the annular groove body of the fixing frame 10, the protective shell 19 is connected with a switching screw 22 in a threaded mode, the other end of the switching screw 22 stretches into the protective shell 19 and is connected with a primary reduction gear 23 in a rotating mode, the primary reduction gear 23 is meshed with the main gear 15, the other end of the primary reduction gear 23 is fixedly connected with a reduction gear shaft 20, and the other end of the reduction gear shaft 20 is provided with a shape which can be matched with a driving workpiece such as a wrench, an electric screwdriver head and the like. When the moment needs to be increased, the primary reduction gear 23 can be directly driven, so that the primary reduction gear 23 drives the main gear 15 to rotate to enable the station adjusting module to work, and normal work can be ensured by increasing the moment when the screws which are difficult to detach are detached.

Preferably, the multi-stage reduction module further comprises a worm 21 meshed with the primary reduction gear 23, one end of the worm 21 extends out of the protective shell 19, the other end of the worm 21 is rotatably connected with the protective shell 19, and one end of the worm 21 extending out of the protective shell 19 is provided with a shape setting capable of being matched with an active workpiece such as a wrench, an electric screwdriver bit and the like. When the worm 21 rotates, the primary reduction gear 23 is driven to rotate the main gear 15, so that the station adjusting module works, and when secondary reduction is not needed, the switching screw 22 is rotated, so that the primary reduction gear 23 is disengaged from the worm 21 while ensuring the engagement with the main gear 15 is unchanged, and the workpiece is prevented from being blocked.

The worm 21 may be replaced with other speed reducing members including, but not limited to, a worm, smaller gears, etc. or a combination of parts that can reduce speed.

The sleeve 13 may be replaced with other universal wrench heads to accommodate other different sized, shaped screw heads.

The above examples are only illustrative of the preferred embodiments of the present utility model and do not limit the spirit and scope of the present utility model. Various modifications and improvements of the technical scheme of the present utility model will fall within the protection scope of the present utility model without departing from the design concept of the present utility model, and the technical content of the present utility model is fully described in the claims.

Claims

1. The utility model provides a multistation spanner which characterized in that, includes fixed module, station adjustment module and transmission module, and fixed module middle part position rotation is connected with transmission module, but fixed module edge swing joint has station adjustment module, and station adjustment module is used for adjusting the working position of spanner head, and transmission module is in order to drive spanner head work.

2. A multi-station wrench as claimed in claim 1, wherein the fixing module comprises a fixing frame (10), and a supporting plate (17) is arranged in the middle of the fixing frame (10).

3. The multi-station wrench as claimed in claim 2, wherein the fixing frame (10) in the fixing module is annular integrally, a hollow annular groove is formed in a ring body part, the ring body is of a double-layer structure, and the diameter of the annular groove is matched with the position of a corresponding automobile hub screw.

4. A multi-station wrench as claimed in claim 3, wherein the station adjusting module comprises an adjusting rod (12) slidably arranged in an annular groove of the fixing frame (10), a clamping ring (25) is fixedly connected to the adjusting rod (12), the clamping ring (25) is arranged on the inner side of one layer of annular body of the fixing frame (10), one end of the adjusting rod (12) is rotatably connected with a pinion (14), the pinion (14) is arranged in an annular interlayer of the fixing frame (10), a pinion shaft (24) is fixedly connected to the pinion (14), a sleeve (13) is detachably connected to the other end of the pinion shaft (24), a nut (11) is connected to the adjusting rod (12) in a threaded manner, and the nut (11) is matched with the clamping ring (25) to fasten the adjusting rod (12) at a corresponding position in the annular groove of the fixing frame (10).

5. A multi-station wrench as claimed in claim 4, wherein the transmission module comprises a main shaft (16) rotatably connected with the supporting plate (17), the main shaft (16) is located at the overall middle position of the fixing frame (10), one end of the main shaft (16) is provided with a main gear (15), the main gear (15) is meshed with the pinion (14), and the other end of the main shaft (16) is provided with a shape capable of being matched with a driving workpiece.

6. The multi-station wrench according to claim 5, further comprising a multi-stage reduction module, wherein the multi-stage reduction module is arranged in a protective shell (19), the protective shell (19) is fixedly connected to the lower end of the folding part of the annular groove body of the fixing frame (10), a switching screw (22) is connected to the protective shell (19) in a threaded manner, the other end of the switching screw (22) extends into the protective shell (19) and is rotatably connected with a primary reduction gear (23), the primary reduction gear (23) is meshed with the main gear (15), a reduction gear shaft (20) is fixedly connected to the other end of the primary reduction gear (23), and a shape capable of being matched with an active workpiece is arranged at the other end of the reduction gear shaft (20).

7. A multi-station wrench as claimed in claim 6, wherein the multi-stage reduction module further comprises a worm (21) engaged with the primary reduction gear (23), one end of the worm (21) extends out of the protective housing (19), the other end is rotatably connected with the protective housing (19), and one end of the worm (21) extending out of the protective housing (19) is provided with a shape arrangement capable of being matched with an active workpiece.

8. A multi-position wrench as claimed in claim 7, wherein the worm (21) is replaceable with other reduction elements including but not limited to worm, smaller gear combinations.

9. A multi-position wrench as claimed in claim 4, wherein said socket (13) is replaceable with other universal wrench heads to accommodate other different sized, shaped screw heads.