CN214490349U

CN214490349U - Portable wrench

Info

Publication number: CN214490349U
Application number: CN202120616484.8U
Authority: CN
Inventors: 赵建凯; 赵国庆
Original assignee: Dalian Lijia Chemical Products Co ltd
Current assignee: Dalian Lijia Chemical Products Co ltd
Priority date: 2021-03-26
Filing date: 2021-03-26
Publication date: 2021-10-26
Anticipated expiration: 2031-03-26

Abstract

The utility model discloses a portable wrench, including first handle, second handle, connecting rod and locking mechanism, the one end fixedly connected with internal thread cover of second handle, the one end that first handle is close to the second handle stretches into the inside of internal thread cover, and first handle and internal thread cover threaded connection, the one end that the second handle is kept away from the internal thread cover is installed locking mechanism, the one end of connecting rod is through locking mechanism and second handle fixed connection, the one end fixedly connected with dop that the connecting rod is kept away from the second handle, the dop is opened with the card hole; when the connecting rod and the second handle are installed, the locking sleeve is rotated to clamp the connecting plates, the connecting rod and the second handle are fixedly connected, and when the connecting rod and the second handle need to be disassembled, the locking sleeve is rotated in the opposite direction; the utility model discloses in divide into the multistage with the main part through locking mechanism's setting, reduced the cavity occupancy of carrying the process, the practicality is high.

Description

Portable wrench

Technical Field

The utility model relates to a spanner technical field specifically is a portable's spanner.

Background

A wrench is a common installation and removal tool. Hand tools for turning bolts, screws, nuts and other threaded fasteners for tightening openings or trepanning of bolts or nuts using the principle of leverage. The wrench is usually provided with an opening or a trepan for clamping the handle part and applying external force to the handle part so as to screw the bolt or the nut to hold the bolt or the nut, at one end or two ends of the handle part. When the wrench is used, an external force is applied to the handle part along the rotation direction of the threads, so that the bolt or the nut can be screwed, and the wrench is usually made of carbon structural steel or alloy structural steel.

The existing wrench is usually integrated, occupies a large space and is inconvenient to carry, so that the portable wrench needs to be designed to solve the problems.

Disclosure of Invention

An object of the utility model is to provide a spanner convenient to carry to solve the problem of proposing among the above-mentioned background art.

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

the utility model provides a spanner convenient to carry, includes first handle, second handle, connecting rod and locking mechanism, the one end fixedly connected with internal thread cover of second handle, the one end that first handle is close to the second handle stretches into the inside of internal thread cover, and first handle and internal thread cover threaded connection, the one end that the internal thread cover was kept away from to the second handle is installed locking mechanism, locking mechanism and second handle fixed connection are passed through to the one end of connecting rod, and the one end fixedly connected with dop of second handle is kept away from to the connecting rod, open the card hole in the dop.

Furthermore, the round groove has been seted up to the one end that the internal thread cover was kept away from to the second handle, and the round groove sets up with the second handle is coaxial, and the cross mounting groove has still been seted up to the one end that the internal thread cover was kept away from to the second handle, the intersection point of cross mounting groove is located the axis of round groove, and a spout has all been seted up on four inner walls that the round groove was kept away from to the cross mounting groove.

Furthermore, one end, close to the second handle, of the periphery of the connecting rod is fixedly connected with a plurality of connecting plates, the connecting plates are distributed in an annular array mode relative to the axis of the connecting rod and correspond to the circular grooves, the connecting rod is slidably mounted in the circular grooves, and the connecting plates are slidably mounted in the cross mounting grooves.

Further, locking mechanism includes lock sleeve, locking slide bar and first spring, and equal slidable mounting has one in a plurality of spouts the locking slide bar, locking slide bar are located the outside one end fixedly connected with baffle of connecting rod, fixedly connected with is located locking slide bar outlying between the periphery of baffle and connecting rod first spring is close to the position of locking slide bar on the periphery of connecting rod and is provided with the screw thread, the lock sleeve passes through the screw thread is installed in the periphery of connecting rod, and the part of internal thread cover is kept away from to the periphery of lock sleeve is hollow round platform, a plurality of baffles all with the inside sliding contact of lock sleeve.

Furthermore, the side face, far away from the locking slide rod, of the baffle is fixedly provided with a mounting seat, and a ball in rolling contact with the inner wall of the locking sleeve is embedded into the mounting seat.

Furthermore, one end of the connecting plate, which is far away from the connecting rod, is provided with a mounting groove, and a roller which is in rolling contact with the inner wall of the cross mounting groove is rotatably mounted in the mounting groove.

Furthermore, a second spring is fixedly arranged at one end of the connecting rod close to the second handle.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses in divide into the multistage with the main part through the setting of internal thread cover and locking mechanism, reduced the cavity occupancy in the process of carrying, improved the convenience of carrying, internal thread cover and locking mechanism all have the installation and dismantle convenient characteristics simultaneously, improve the utility model discloses a practicality.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Fig. 2 is an enlarged view of a portion a in fig. 1.

Fig. 3 is a schematic structural diagram of the middle locking mechanism of the present invention.

Fig. 4 is a schematic view of a three-dimensional structure of the installation relationship between the middle connecting rod and the plurality of connecting plates of the present invention.

In the figure: 1-a first handle, 2-an internal thread sleeve, 3-a second handle, 4-a locking sleeve, 5-a chuck, 6-a thread, 7-a connecting rod, 8-a ball, 9-a mounting seat, 10-a baffle, 11-a locking slide rod, 12-a first spring, 13-a circular groove, 14-a connecting plate, 15-a mounting groove, 16-a roller, 17-a second spring, 18-a cross mounting groove and 19-a clamping hole.

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 in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example 1:

referring to fig. 1 to 4, in an embodiment of the present invention, a portable wrench includes a first handle 1, a second handle 3, a connecting rod 7 and a locking mechanism, an inner thread sleeve 2 is fixedly connected to an end of the second handle 3, an end of the first handle 1 close to the second handle 3 extends into the inner thread sleeve 2, the first handle 1 is in threaded connection with the inner thread sleeve 2, a locking mechanism is installed at an end of the second handle 3 away from the inner thread sleeve 2, an end of the connecting rod 7 is fixedly connected to the second handle 3 through the locking mechanism, an end of the connecting rod 7 away from the second handle 3 is fixedly connected to a chuck 5, a chuck hole 19 is formed in the chuck 5, a circular groove 13 is formed at an end of the second handle 3 away from the inner thread sleeve 2, the circular groove 13 is coaxial with the second handle 3, a cross-shaped mounting groove 18 is further formed at an end of the second handle 3 away from the inner thread sleeve 2, a junction point of the cross-shaped mounting groove 18 is located on an axis of the circular groove 13, a sliding groove is arranged on four inner walls of the cross mounting groove 18 far away from the circular groove 13.

Wherein, one end of the periphery of the connecting rod 7 close to the second handle 3 is fixedly connected with a plurality of connecting plates 14, the plurality of connecting plates 14 are distributed in an annular array relative to the axis of the connecting rod 7 and correspond to the circular groove 13, the connecting rod 7 is slidably arranged in the circular groove 13, the plurality of connecting plates 14 are slidably arranged in the cross mounting groove 18, the locking mechanism comprises a locking sleeve 4, a locking slide rod 11 and a first spring 12, one locking slide rod 11 is slidably arranged in each sliding groove, one end of the locking slide rod 11 positioned outside the connecting rod 7 is fixedly connected with a baffle plate 10, the first spring 12 positioned on the periphery of the locking slide rod 11 is fixedly connected between the baffle plate 10 and the periphery of the connecting rod 7, a thread 6 is arranged on the periphery of the connecting rod 7 close to the locking slide rod 11, the locking sleeve 4 is threadedly arranged on the periphery of the connecting rod 7 through the thread 6, and the part of the periphery of the locking sleeve 4 far away from the internal thread 2 is a hollow circular truncated cone, the baffles 10 are in sliding contact with the inside of the locking sleeve 4; when the connecting rod 7 and the second handle 3 are connected, the connecting plates 14 are aligned to the cross mounting groove 18, then the connecting rod 7 is slidably inserted into the circular groove 13, then the locking sleeve 4 is rotated, so that the locking sleeve 4 moves towards the direction far away from the internal thread sleeve 2, the inner wall of the locking sleeve 4 presses the baffles 10, the baffles 10 drive the locking slide rods 11 to interact in the sliding groove until one ends of the locking slide rods 11 far away from the baffles 10 are inserted into the cross mounting groove 18, the connecting plates 14 are clamped by the locking slide rods 11, the fixed connection between the connecting rod 7 and the second handle 3 is completed, when the connecting rod 7 and the second handle 3 need to be disassembled, the locking sleeve 4 is rotated in the opposite direction, the locking slide rods 11 are reset under the elastic force action of the first springs 12, the locking slide rods 11 are driven to return to the sliding groove, and at the moment, the connecting rod 7 can be taken out of the circular groove 13; the utility model discloses in divide into the multistage with the main part through the setting of internal thread cover 2 and locking mechanism, reduced the cavity occupancy in the process of carrying, improved the convenience of carrying, internal thread cover 2 and locking mechanism all have the installation simultaneously and dismantle convenient characteristics, improve the utility model discloses a practicality.

Wherein, the side of the baffle 10 far away from the locking slide bar 11 is fixedly provided with a mounting seat 9, and a ball 8 which is in rolling contact with the inner wall of the locking sleeve 4 is embedded in the mounting seat 9; through the setting of mount pad 9 and ball 8 for the friction mode between baffle 10 and the lock sleeve 4 has sliding friction to become rolling friction, greatly reduced the frictional force of locking mechanical system operation in-process, improved the utility model discloses an installation convenience.

Wherein, one end of the connecting plate 14 far away from the connecting rod 7 is provided with a mounting groove 15, and a roller 16 which is in rolling contact with the inner wall of a cross mounting groove 18 is rotatably mounted in the mounting groove 15; the provision of the roller 16 improves the smoothness between the link 7 and the second handle 3, thereby further improving the mounting convenience.

Example 2:

referring to fig. 4, on the basis of embodiment 1, a second spring 17 is fixedly installed at one end of the connecting rod 7 close to the second handle 3; when dismantling connecting rod 7, loosen the screens to a plurality of connecting plates 14 when the locking level, the elasticity of second spring 17 improves connecting rod 7 elasticity the utility model discloses a dismantlement speed.

The utility model discloses the standard part that uses all can purchase from the market, and dysmorphism piece all can be customized according to the description with the record of drawing of description, and the concrete connection mode of each part all adopts conventional means such as ripe bolt, rivet, welding among the prior art, and machinery, part and equipment all adopt prior art, and conventional model, including circuit connection adopts conventional connection mode among the prior art, does not detailed here again.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a spanner convenient to carry, includes first handle (1), second handle (3), connecting rod (7) and locking mechanism, its characterized in that, the one end fixedly connected with internal thread cover (2) of second handle (3), the one end that first handle (1) is close to second handle (3) stretches into the inside of internal thread cover (2), and first handle (1) and internal thread cover (2) threaded connection, the one end that internal thread cover (2) were kept away from in second handle (3) is installed locking mechanism, locking mechanism and second handle (3) fixed connection are passed through to the one end of connecting rod (7), and the one end fixedly connected with dop (5) of second handle (3) are kept away from in connecting rod (7), seted up card hole (19) in dop (5).

2. The portable wrench as claimed in claim 1, wherein a circular groove (13) is formed in one end of the second handle (3) away from the internal thread sleeve (2), the circular groove (13) and the second handle (3) are coaxially arranged, a cross mounting groove (18) is further formed in one end of the second handle (3) away from the internal thread sleeve (2), a junction of the cross mounting groove (18) is located on an axis of the circular groove (13), and a sliding groove is formed in each of four inner walls of the cross mounting groove (18) away from the circular groove (13).

3. A portable wrench as claimed in claim 2, wherein a plurality of connecting plates (14) are fixedly connected to the periphery of said connecting rod (7) near the end of said second handle (3), said plurality of connecting plates (14) are distributed in an annular array about the axis of said connecting rod (7) and correspond to said circular slot (13), said connecting rod (7) is slidably mounted in said circular slot (13), and said plurality of connecting plates (14) are slidably mounted in said cruciform mounting slot (18).

4. The portable wrench as claimed in claim 3, wherein the locking mechanism includes a locking sleeve (4), a locking slide bar (11) and a first spring (12), one locking slide bar (11) is slidably mounted in each of the plurality of sliding grooves, a baffle (10) is fixedly connected to one end of the locking slide bar (11) located outside the connecting rod (7), the first spring (12) positioned on the periphery of the locking slide bar (11) is fixedly connected between the baffle (10) and the periphery of the connecting rod (7), the periphery of the connecting rod (7) is provided with threads (6) at a position close to the locking slide bar (11), the locking sleeve (4) is installed on the periphery of the connecting rod (7) through the threads (6), the part, far away from the inner thread sleeve (2), of the periphery of the locking sleeve (4) is a hollow circular truncated cone, and the baffles (10) are in sliding contact with the inside of the locking sleeve (4).

5. A portable spanner according to claim 4, wherein a mounting seat (9) is fixedly mounted on the side of the baffle (10) far away from the locking slide rod (11), and a ball (8) in rolling contact with the inner wall of the locking sleeve (4) is embedded in the mounting seat (9).

6. A portable wrench as claimed in claim 3, wherein the connecting plate (14) is provided with a mounting groove (15) at an end thereof remote from the connecting rod (7), and a roller (16) is rotatably mounted in the mounting groove (15) and is in rolling contact with the inner wall of the cross mounting groove (18).

7. A portable wrench as claimed in claim 1, wherein a second spring (17) is fixedly mounted to the end of the link (7) adjacent the second handle (3).