CN213703223U

CN213703223U - Mechanical wrench for engineering construction

Info

Publication number: CN213703223U
Application number: CN202022577363.5U
Authority: CN
Inventors: 方怀宇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-11-09
Filing date: 2020-11-09
Publication date: 2021-07-16
Anticipated expiration: 2030-11-09

Abstract

The utility model relates to a mechanical wrench technical field specifically is a mechanical wrench for engineering construction, including spanner head and the wrench handle portion of connection on spanner head, spanner head's one end is equipped with the cavity groove, and spanner head's the other end is airtight setting. When the utility model works, the rotating sleeve at the head of the wrench is sleeved on the bolt cap in a narrow space, the driving mechanism drives the transmission shaft to rotate by rotating the handle on the driving mechanism, the transmission shaft rotates to drive the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, so as to drive the rotating sleeve to rotate to screw the bolt, and the wrench can screw the bolt in the narrow space where the wrench cannot rotate; the bolt of the wrench handle is inserted into the jack on the transmission shaft to fix the transmission shaft, so that the wrench can be normally used in a large space, and meanwhile, the sealing end of the wrench head can be used as a hammer to realize multiple purposes of one wrench.

Description

Mechanical wrench for engineering construction

Technical Field

The utility model relates to a mechanical wrench technical field specifically is a mechanical wrench for engineering construction.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other screw threads to tightly hold open or trepanning fasteners of the bolts or nuts by utilizing the lever principle. The wrench is typically made of structural steel of carbon or alloy material. The wrench is generally provided with an opening or a trepan for holding the bolt or the nut at one end or both ends of the handle portion, and when the wrench is used, the bolt or the nut can be screwed by applying an external force to the handle portion along the rotation direction of the thread.

At present, the most functions of the existing mechanical wrenches are single, the wrenches are inconvenient to rotate and use in narrow space particularly, the disassembly and assembly workers cannot work efficiently when encountering the problem that bolts are assembled and disassembled in narrow space, the working speed is influenced, and therefore the mechanical wrench for engineering construction is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a mechanical wrench for engineering construction to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a mechanical wrench for engineering construction comprises a wrench head and a wrench handle connected to the wrench head, wherein a cavity groove is formed in one end of the wrench head, the other end of the wrench head is arranged in a sealed mode, a rotating sleeve is arranged in the cavity groove of the wrench head, a plurality of clamping teeth are arranged on the inner side wall of the rotating sleeve, a plurality of rolling mechanisms are arranged on the outer side wall of the rotating sleeve, annular sliding grooves used for rolling of the rolling mechanisms are formed in the inner side wall of the wrench head, a connecting shaft is fixedly connected to the upper end face of the rotating sleeve, a driven bevel gear is connected to the upper end of the connecting shaft, the wrench handle is of a tubular structure with a cavity formed in the wrench handle, the wrench handle is in through connection with the wrench head, a transmission shaft is arranged inside the cavity of the wrench handle, a driving bevel gear is connected to the inner side end, the outer side of the transmission shaft is also provided with a plurality of bearings, the outer sides of the bearings are fixedly connected with the inner side wall of the wrench handle part, the outer side end of the transmission shaft is provided with a polygonal shaft, and the polygonal shaft is provided with a driving mechanism for driving the transmission shaft to rotate.

As a further aspect of the present invention: the rolling mechanism comprises two supporting plates symmetrically arranged on the outer side wall of the rotating sleeve, a rotating shaft is rotatably connected between the two supporting plates, and a fixed wheel is connected to the outer side wall of the rotating shaft in a rolling manner.

As a further aspect of the present invention: and a sliding groove for moving the rolling wheel is formed in the inner side wall of the head part of the wrench.

As a further aspect of the present invention: the driving mechanism comprises a vertical plate and a handle, the handle is rotatably connected to the upper end of the vertical plate, and a polygonal hole matched with the polygonal shaft is formed in the lower end of the vertical plate.

As a further aspect of the present invention: the polygonal holes are regular hexagons.

As a further aspect of the present invention: the wrench handle is characterized in that one end of the outer side surface of the wrench handle part is also provided with a bolt for fixing the transmission shaft, and the transmission shaft is provided with a jack matched with the bolt.

Compared with the prior art, the utility model has the advantages of following several aspects:

when the utility model works, the rotating sleeve at the head of the wrench is sleeved on the bolt cap in a narrow space, the driving mechanism drives the transmission shaft to rotate by rotating the handle on the driving mechanism, the transmission shaft rotates to drive the driving bevel gear to rotate, the driving bevel gear drives the driven bevel gear to rotate, so as to drive the rotating sleeve to rotate to screw the bolt, and the wrench can screw the bolt in the narrow space where the wrench cannot rotate; the bolt of the wrench handle is inserted into the jack on the transmission shaft to fix the transmission shaft, so that the wrench can be normally used in a large space, and meanwhile, the sealing end of the wrench head can be used as a hammer to realize multiple purposes of one wrench.

Drawings

Fig. 1 is a schematic structural diagram of a mechanical wrench for engineering construction.

Fig. 2 is a schematic bottom view of a mechanical wrench for construction.

Fig. 3 is an enlarged schematic view of a in fig. 1.

Fig. 4 is a schematic structural view of a driving handle of a mechanical wrench for construction.

In the figure: 1. a wrench head; 2. a handle portion; 3. clamping teeth; 4. rotating the sleeve; 5. a cavity groove; 6. a connecting shaft; 7. a driven bevel gear; 8. a driving bevel gear; 9. a bearing; 10. a drive shaft; 11. a drive mechanism; 12. a polygonal shaft; 13. a bolt; 14. a rotating shaft; 15. a rolling wheel; 16. a chute; 17. a support plate; 18. a handle; 19. a polymorphic pore; 20. a riser.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-4, a mechanical wrench for engineering construction includes a wrench head 1 and a wrench handle 2 connected to the wrench head 1, wherein a cavity groove 5 is formed at one end of the wrench head 1, the other end of the wrench head 1 is hermetically disposed, a rotating sleeve 4 is disposed in the cavity groove 5 of the wrench head 1, a plurality of latches 3 are disposed on an inner sidewall of the rotating sleeve 4, a plurality of rolling mechanisms are disposed on an outer sidewall of the rotating sleeve 4, an annular chute 16 for the rolling mechanisms to roll is disposed on the inner sidewall of the wrench head 1, a connecting shaft 6 is fixedly connected to an upper end surface of the rotating sleeve 4, a driven bevel gear 7 is connected to an upper end of the connecting shaft 6, the wrench handle 2 is a tubular structure with a cavity therein, the wrench handle 2 and the wrench head 1 are connected in a through manner, a transmission shaft 10 is disposed in the cavity of the wrench handle 2, and a driving bevel gear, the driving bevel gear 8 and the driven bevel gear 7 are in meshing transmission, a plurality of bearings 9 are further arranged on the outer side of the transmission shaft 10, the outer side of each bearing 9 is fixedly connected with the inner side wall of the wrench handle part 2, a polygonal shaft 12 is arranged at the outer side end of the transmission shaft 10, and a driving mechanism 11 for driving the transmission shaft 10 to rotate is arranged on the polygonal shaft 12.

The rolling mechanism comprises two supporting plates 17 which are symmetrically arranged on the outer side wall of the rotating sleeve 4, a rotating shaft 14 is rotatably connected between the two supporting plates 17, and a rolling wheel 15 is connected on the outer side wall of the rotating shaft 14 in a rolling way.

The inner side wall of the wrench head part 1 is provided with a sliding chute 16 for moving the rolling wheel 15.

The driving mechanism 11 comprises a vertical plate 20 and a handle 18, the handle 18 is rotatably connected to the upper end of the vertical plate 20, and the lower end of the vertical plate 20 is provided with a polygonal hole 19 matched with the polygonal shaft 12; the polygonal hole 19 is a regular hexagon.

One end of the outer side surface of the handle portion 2 is also provided with a bolt 13 for fixing the transmission shaft 10, and the transmission shaft 10 is provided with a jack matched with the bolt 13.

The utility model discloses a theory of operation is: when the utility model is used, the rotating sleeve 4 of the wrench head 1 is sleeved on the bolt cap in the narrow space, the driving mechanism 11 drives the driving shaft 10 to rotate by rotating the handle 18 on the driving mechanism 11, the driving shaft 10 rotates to drive the driving bevel gear 8 to rotate, and the driving bevel gear 8 drives the driven bevel gear 7 to rotate, so as to drive the rotating sleeve 4 to rotate to screw the bolt, thus the wrench can screw the bolt in the narrow space where the wrench can not rotate; the bolt 13 of the wrench handle 2 is inserted into the insertion hole on the transmission shaft 10 to fix the transmission shaft 10, so that the wrench can be normally used in a large space, and meanwhile, the sealing end of the wrench head 1 can be used as a hammer, so that multiple purposes of one wrench are realized.

In the description of the present invention, it is to be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those of ordinary skill in the art through specific situations.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The mechanical wrench for engineering construction is characterized by comprising a wrench head (1) and a wrench handle (2) connected to the wrench head (1), wherein a cavity groove (5) is formed in one end of the wrench head (1), the other end of the wrench head (1) is arranged in a sealed manner, a rotating sleeve (4) is arranged in the cavity groove (5) of the wrench head (1), a plurality of clamping teeth (3) are arranged on the inner side wall of the rotating sleeve (4), a plurality of rolling mechanisms are arranged on the outer side wall of the rotating sleeve (4), an annular sliding groove (16) for rolling the rolling mechanisms is formed in the inner side wall of the wrench head (1), a connecting shaft (6) is fixedly connected to the upper end face of the rotating sleeve (4), a driven bevel gear (7) is connected to the upper end of the connecting shaft (6), and a tubular structure with a cavity is arranged in the wrench handle (2), the wrench handle part (2) is in through connection with the wrench head part (1), a transmission shaft (10) is arranged inside a cavity of the wrench handle part (2), the inner side end of the transmission shaft (10) is connected with a driving bevel gear (8), the driving bevel gear (8) and a driven bevel gear (7) are in meshing transmission, a plurality of bearings (9) are further arranged on the outer side of the transmission shaft (10), the outer sides of the bearings (9) are fixedly connected with the inner side wall of the wrench handle part (2), a polygonal shaft (12) is arranged on the outer side end of the transmission shaft (10), and a driving mechanism (11) for driving the transmission shaft (10) to rotate is arranged on the polygonal shaft (12).

2. The mechanical wrench for engineering construction according to claim 1, wherein the rolling mechanism comprises two support plates (17) symmetrically arranged on the outer side wall of the rotating sleeve (4), a rotating shaft (14) is rotatably connected between the two support plates (17), and a rolling wheel (15) is rotatably connected on the outer side wall of the rotating shaft (14).

3. The mechanical wrench for engineering construction according to claim 2, wherein the wrench head (1) is provided with a sliding groove (16) on the inner side wall thereof for moving the rolling wheel (15).

4. The mechanical wrench for engineering construction according to claim 1, wherein the driving mechanism (11) comprises a vertical plate (20) and a handle (18), the handle (18) is rotatably connected to the upper end of the vertical plate (20), and the lower end of the vertical plate (20) is provided with a polygonal hole (19) matched with the polygonal shaft (12).

5. The mechanical wrench for engineering construction according to claim 4, wherein the polygonal hole (19) is a regular hexagon.

6. The mechanical wrench for engineering construction according to claim 1, wherein a plug pin (13) for fixing the transmission shaft (10) is further disposed at one end of the outer side surface of the wrench handle portion (2), and the transmission shaft (10) is provided with a socket hole engaged with the plug pin (13).