CN220863855U

CN220863855U - Ratchet head adjustable wrench

Info

Publication number: CN220863855U
Application number: CN202322767056.7U
Authority: CN
Inventors: 沈樟高; 陈勇; 李凯霞
Original assignee: Hangzhou Yongfeng Tools Co ltd
Current assignee: Hangzhou Yongfeng Tools Co ltd
Priority date: 2023-10-16
Filing date: 2023-10-16
Publication date: 2024-04-30
Anticipated expiration: 2033-10-16

Abstract

The utility model relates to the technical field of wrenches and discloses an adjustable wrench with a ratchet head, which comprises a ratchet wrench, wherein the ratchet wrench comprises a wrench handle and wrench heads fixedly arranged at two ends of the wrench handle, one side of each wrench head is provided with a ratchet assembly for clamping and rotating an object, one side of each ratchet assembly is provided with an expansion assembly for expanding the clamping range of the ratchet assembly, and each ratchet assembly is provided with a contraction assembly for contracting the clamping range of the ratchet assembly; through setting up ratchet subassembly, extension subassembly and reducing the subassembly, reach when ratchet spanner carries out the centre gripping rotation to the object of equidimension not, can expand ratchet subassembly's centre gripping scope through extension subassembly, let ratchet spanner can the bigger object of centre gripping, reduce the subassembly also can reduce ratchet subassembly's centre gripping scope, can the less object of centre gripping, have a ratchet spanner just can carry out centre gripping pivoted effect to equidimension not object.

Description

Ratchet head adjustable wrench

Technical Field

The utility model relates to the technical field of wrenches, in particular to an adjustable wrench with a ratchet head.

Background

The ratchet wrench is a manual screw tightening tool, and is a single-head double-head multi-specification movable handle ratchet double offset ring wrench; 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.

In the chinese patent of publication No. CN218018221U, a ratchet wrench is disclosed for applying force to rotate a workpiece having a top surface, the ratchet wrench includes a wrench body and a ratchet, the wrench body has a working end, the working end has a first end surface and a second end surface opposite to each other, a through slot penetrating the first end surface and the second end surface is provided at the working end, the ratchet is provided in the through slot and has a first tool slot and a second tool slot which are mutually communicated respectively at both end surfaces, the first tool slot is configured corresponding to the first end surface and has a first stop surface, the second tool slot is configured corresponding to the second end surface and has a second stop surface, the workpiece can be selectively accommodated in the first tool slot or the second tool slot, and the top surface is abutted against the first stop surface or the second stop surface; therefore, the ratchet wrench can be used on two sides, and the workpiece does not protrude from the working end, so that the operation can be convenient.

With respect to the related art in the above, the inventors consider that there are the following drawbacks: above-mentioned prior art, although can let ratchet spanner two-sided use, ratchet spanner is fixed to the size of object centre gripping, when meetting the object that is greater than or less than ratchet spanner centre gripping scope, ratchet spanner just can not carry out the centre gripping rotation, only uses the ratchet spanner of corresponding size and just can work, and the staff does not carry the ratchet spanner of corresponding model just can't work, influences work efficiency.

Disclosure of utility model

In order to solve the technical problems that the ratchet wrench is fixed in clamping size of an object, when the object is larger than or smaller than the clamping range of the ratchet wrench, the ratchet wrench cannot clamp and rotate, only the ratchet wrench with the corresponding size is used for working, a worker cannot work without carrying the ratchet wrench with the corresponding model, and the working efficiency is affected, the utility model provides the adjustable wrench with the ratchet head.

The utility model is realized by adopting the following technical scheme: the utility model provides a ratchet head adjustable spanner, includes ratchet spanner, ratchet spanner includes spanner handle and the spanner head of fixed mounting at spanner handle both ends, two one side of spanner head all is equipped with carries out centre gripping pivoted ratchet subassembly to the object, two one side of ratchet subassembly all is equipped with the expansion subassembly that enlarges ratchet subassembly clamping range, two all be equipped with the shrink subassembly that reduces ratchet subassembly clamping range on the ratchet subassembly.

Through the technical scheme, when objects with different sizes are clamped and rotated, the expansion assembly or the shrinkage assembly can be used, so that the ratchet assembly can clamp the objects with different sizes.

As a further improvement of the scheme, one sides of the two wrench heads are all arranged in an arc shape, the ratchet wheel assembly comprises a first ratchet wheel ring arranged on one side of the wrench head and attached to the arc surface of the wrench head and a second ratchet wheel ring arranged on one side of the first ratchet wheel ring and attached to the arc surface of the wrench head, and a rotating shaft is in running fit between the first ratchet wheel ring and the second ratchet wheel ring.

By adopting the technical scheme, the clamping range of the ratchet assembly can be enlarged or reduced by matching the first ratchet ring with the second ratchet ring.

As the further improvement of above-mentioned scheme, two fixed slot has all been seted up to one side of spanner head, two expansion groove has all been seted up to the inside of spanner head, expansion subassembly is including setting up at axis of rotation one side and axis of rotation normal running fit's fixed block and fixed mounting at fixed block one side one end and extend to the inside gag lever post of expansion groove, the one end fixed mounting that the gag lever post is located expansion inslot portion has the spacing dish, the surface cover of gag lever post is equipped with one end and spacing dish fixed mounting other end and expansion inslot wall fixed mounting's spring, fixed slot and fixed block looks adaptation.

Through the technical scheme, when the ratchet wheel assembly is required to be expanded, the fixing block is pulled, and the ratchet wheel assembly is pulled out of the arc range of the spanner head, so that the ratchet wheel assembly can be expanded to be opened and closed.

As a further improvement of the scheme, the sliding grooves are formed in two sides of the first ratchet ring and the second ratchet ring, the shrinking assembly comprises two extrusion columns arranged on one side of the first ratchet ring and one side of the second ratchet ring, and connecting plates which are arranged at two ends of the two extrusion columns and are in running fit with the adjacent extrusion columns, the sliding columns are in sliding fit with the inside of one sliding groove of the first ratchet ring and one sliding groove of the second ratchet ring, and one ends of the two sliding columns are fixedly mounted with the adjacent connecting plates.

Through the technical scheme, when the ratchet wheel assembly is required to be contracted, the sliding extrusion column moves between the ratchet wheel assembly and the arc surface of the spanner head, the extrusion column extrudes the ratchet wheel assembly, and the first ratchet wheel ring and the second ratchet wheel ring are closed in a crossing mode.

As a further improvement of the scheme, one side of each of the two connecting plates is provided with a threaded column, one end of each threaded column penetrates through the adjacent connecting plate and extends to the inside of the adjacent sliding groove, one end of each threaded column is fixedly provided with a friction block in friction fit with the inner wall of the sliding groove, and the other end of each threaded column is fixedly provided with a rotating disc.

Through the technical scheme, when the clamping range of the ratchet assembly is narrowed, the screw thread column is rotated to fix the narrowing assembly.

As a further improvement of the above scheme, the first ratchet ring and the second ratchet ring are both arranged in a semicircular shape.

Through the technical scheme, the first ratchet ring and the second ratchet ring which are arranged on the semicircular ring can clamp objects more easily.

Compared with the prior art, the utility model has the beneficial effects that:

According to the utility model, by arranging the ratchet wheel assembly, the expansion assembly and the reduction assembly, when the ratchet wheel wrench clamps and rotates objects with different sizes, the clamping range of the ratchet wheel assembly can be expanded through the expansion assembly, so that the ratchet wheel wrench can clamp larger objects, the reduction assembly can also reduce the clamping range of the ratchet wheel assembly, smaller objects can be clamped, and the ratchet wheel wrench can clamp and rotate objects with different sizes.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the present utility model;

FIG. 2 is a schematic view of a partial structure of the present utility model;

FIG. 3 is a cross-sectional view of a wrench head according to the present utility model;

FIG. 4 is a schematic view of a structure of the present utility model with an extrusion column.

Main symbol description:

101. A spanner handle; 102. a spanner head; 201. a first ratchet ring; 202. a second ratchet ring; 301. a fixed block; 302. a limit rod; 401. an extrusion column; 402. a connecting plate; 5. a rotating shaft; 6. a fixing groove; 7. an expansion slot; 8. a limiting disc; 9. a sliding groove; 10. a sliding column; 11. a threaded column; 12. a friction block; 13. and rotating the disc.

Detailed Description

The present utility model will be further described with reference to the accompanying drawings and detailed description, wherein it is to be understood that, on the premise of no conflict, the following embodiments or technical features may be arbitrarily combined to form new embodiments.

Referring to fig. 1-3, an adjustable ratchet wrench of this embodiment includes a ratchet wrench, the ratchet wrench includes a wrench handle 101 and wrench heads 102 fixedly mounted at two ends of the wrench handle 101, one sides of the wrench heads 102 are all arranged in an arc shape, one side of the wrench head 102 is provided with a first ratchet ring 201 attached to an arc surface, one side of the first ratchet ring 201 is provided with a second ratchet ring 202 attached to the arc surface of the wrench head 102, a rotation shaft 5 is rotatably matched between the first ratchet ring 201 and the second ratchet ring 202, and the clamping range of the ratchet assembly can be enlarged or reduced by matching the first ratchet ring 201 with the second ratchet ring 202;

Referring to fig. 1-3, a fixed slot 6 is formed on one side of each of the two wrench heads 102, an expansion slot 7 is formed in each of the two wrench heads 102, a fixed block 301 is rotatably matched on one side of the rotating shaft 5, a limiting rod 302 with one end extending to the inside of the expansion slot 7 is fixedly arranged on one side of the fixed block 301, a limiting disc 8 is fixedly arranged on one end of the limiting rod 302 located in the expansion slot 7, a spring with one end fixedly arranged on the other end fixedly arranged on the limiting disc 8 and fixedly arranged on the inner wall of the expansion slot 7 is sleeved on the outer surface of the limiting rod 302, the fixed slot 6 is matched with the fixed block 301, when the ratchet assembly is required to be expanded, the fixed block 301 is pulled, the ratchet assembly is pulled out of the arc range of the wrench heads 102, and opening and closing of the ratchet assembly can be expanded;

Referring to fig. 1-4, sliding grooves 9 are formed on two sides of a first ratchet ring 201 and a second ratchet ring 202, extrusion columns 401 are formed on one sides of the first ratchet ring 201 and the second ratchet ring 202, connecting plates 402 are rotatably mounted on two ends of the two extrusion columns 401, sliding columns 10 are slidably matched in one sliding groove 9 of the first ratchet ring 201 and one sliding groove 9 of the second ratchet ring 202, one ends of the two sliding columns 10 are fixedly mounted with the adjacent connecting plates 402, threaded columns 11 with one ends penetrating through the adjacent connecting plates 402 and extending to the inner parts of the adjacent sliding grooves 9 are arranged on one sides of the two connecting plates 402, friction blocks 12 in friction fit with the inner walls of the sliding grooves 9 are fixedly mounted on one ends of the two threaded columns 11, rotating discs 13 are fixedly mounted on the other ends of the two threaded columns 11, when a ratchet assembly is required to be contracted, the sliding extrusion columns 401 move to the position between the circular arc surfaces of the ratchet assembly and the wrench head 102, the ratchet assembly is extruded by the extrusion columns 401, and the ratchet ring 201 and the second ratchet ring 202 are closed in a crossing mode;

referring to fig. 1-3, the first ratchet ring 201 and the second ratchet ring 202 are each provided in a semicircular shape.

The implementation principle of the adjustable spanner with the ratchet head in the embodiment of the application is as follows: when a larger object needs to be clamped, the fixing block 301 is pulled, the limiting rod 302 is pulled out of the expansion groove 7, meanwhile, the first ratchet ring 201 and the second ratchet ring 202 are away from the spanner head 102, as the first ratchet ring 201 and the second ratchet ring 202 are semicircular and are in rotary fit through the rotating shaft 5, the expansion of an opening can be carried out, after the object is clamped by the first ratchet ring 201 and the second ratchet ring 202 after expansion, the fixing block 301 is loosened, the fixing block 301 is pulled back to the fixing groove 6 under the tensile force of a spring, but the first ratchet ring 201 and the second ratchet ring 202 after expansion are contacted with the spanner head 102 and are propped against the spanner head, after the larger object is clamped in this way, the whole spanner is pushed towards the object and rotated, the object can be clamped and rotated, when the smaller object needs to be clamped, the first ratchet ring 201 and the second ratchet ring 202 are crossed, the sliding column 10 and the sliding column 9 are matched, the sliding column 401 is pressed to the ratchet ring 401 to the ratchet head 102, the small column 401 is pressed to the rotating shaft, the small column 401 is pressed to be pressed to the small column 401, and the small column 401 can be pressed to be prevented from being moved to the small column 11, and the small column 401 can be pressed to the small column 11, and the small column is prevented from being pressed, and the small column is moved to the small column is moved, and the spanner is moved to the small column is moved to the spanner, and the small column, the spanner is the space, the spanner is easy to the space, and the spanner is to the spanner is moved to the 3.

The above embodiments are only preferred embodiments of the present utility model, and the scope of the present utility model is not limited thereto, but any insubstantial changes and substitutions made by those skilled in the art on the basis of the present utility model are intended to be within the scope of the present utility model as claimed.

Claims

1. The utility model provides a ratchet head adjustable spanner, includes ratchet spanner, ratchet spanner includes spanner handle (101) and fixed mounting spanner head (102) at spanner handle (101) both ends, its characterized in that, two one side of spanner head (102) all is equipped with carries out centre gripping pivoted ratchet subassembly to the object, two one side of ratchet subassembly all is equipped with the expansion subassembly that enlarges ratchet subassembly clamping range, two all be equipped with the shrink subassembly that reduces ratchet subassembly clamping range on the ratchet subassembly.

2. The adjustable spanner with the ratchet head according to claim 1, wherein one sides of the two spanner heads (102) are all arranged in an arc shape, the ratchet assembly comprises a first ratchet ring (201) arranged on one side of the spanner head (102) and attached to an arc surface of the spanner head (102) and a second ratchet ring (202) arranged on one side of the first ratchet ring (201) and attached to the arc surface of the spanner head (102), and a rotating shaft (5) is in running fit between the first ratchet ring (201) and the second ratchet ring (202).

3. The adjustable spanner with the ratchet head according to claim 2, wherein one side of each of the two spanner heads (102) is provided with a fixing groove (6), the inside of each of the two spanner heads (102) is provided with an expansion groove (7), the expansion assembly comprises a fixing block (301) which is arranged on one side of a rotating shaft (5) and is in rotating fit with the rotating shaft (5) and a limiting rod (302) which is fixedly arranged on one side of the fixing block (301) and extends to the inside of the expansion groove (7), one end of the limiting rod (302) positioned in the expansion groove (7) is fixedly provided with a limiting disc (8), the outer surface of the limiting rod (302) is sleeved with a spring, one end of the spring is fixedly arranged on the other end of the limiting disc (8) and is fixedly arranged on the inner wall of the expansion groove (7), and the fixing groove (6) is matched with the fixing block (301).

4. The ratchet head adjustable spanner according to claim 2, wherein sliding grooves (9) are formed in both sides of the first ratchet ring (201) and the second ratchet ring (202), the shrinking assembly comprises two extrusion columns (401) arranged on one side of the first ratchet ring (201) and one side of the second ratchet ring (202) and connecting plates (402) which are arranged at two ends of the two extrusion columns (401) and are in rotary fit with the adjacent extrusion columns (401), sliding columns (10) are slidingly matched in the first ratchet ring (201) and one sliding groove (9) of the second ratchet ring (202), and one ends of the two sliding columns (10) are fixedly installed with the adjacent connecting plates (402).

5. The ratchet head adjustable spanner according to claim 4, wherein one side of each of the two connecting plates (402) is provided with a threaded column (11) one end of which penetrates through the adjacent connecting plate (402) and extends into the adjacent sliding groove (9), one end of each of the two threaded columns (11) is fixedly provided with a friction block (12) in friction fit with the inner wall of the sliding groove (9), and the other end of each of the two threaded columns (11) is fixedly provided with a rotating disc (13).

6. A ratchet head adjustable spanner according to claim 2, characterized in that the first ratchet ring (201) and the second ratchet ring (202) are each arranged in a semi-circular ring shape.