CN216464299U

CN216464299U - Telescopic wrench

Info

Publication number: CN216464299U
Application number: CN202122498598.XU
Authority: CN
Inventors: 孔华刚
Original assignee: Hangzhou Xinyu Hardware Co ltd
Current assignee: Hangzhou Xinyu Hardware Co ltd
Priority date: 2021-10-18
Filing date: 2021-10-18
Publication date: 2022-05-10
Anticipated expiration: 2031-10-18

Abstract

The utility model discloses a telescopic wrench, wherein a fixed plate lip and a movable plate lip are installed on one side of a handle seat, an adjusting mechanism is arranged on one side, close to the fixed plate lip, inside the handle seat, an adjusting groove is formed inside the handle seat, and a handle is movably installed inside the adjusting groove. According to the utility model, the first knob on the handle is rotated, the first knob drives the main bevel gear to rotate through the connecting shaft, the main bevel gear drives the first threaded rod to rotate through the meshing action between the main bevel gear and the side bevel gear, and simultaneously, under the clamping and limiting action between the positioning block and the positioning groove, the first threaded sleeve synchronously drives the handle seat to move outside the handle, so that the overall length of the wrench can be adjusted through the extension distance of the handle seat, the torque of the wrench can be increased under the lengthening action, the labor saving performance during twisting is further improved, the operation is simple and convenient, and the wrench can be conveniently carried through a telescopic structure.

Description

Telescopic wrench

Technical Field

The utility model relates to the technical field of wrenches, in particular to a telescopic wrench.

Background

The wrench is a common mounting and dismounting tool, and is a manual tool for screwing bolts, screws, nuts and other threads to tightly hold openings or trepanning fasteners of the bolts or the nuts by utilizing a lever principle;

current spanner length is fixed the setting mostly, can not adjust length according to user's demand, when meetting the bolt screw that is difficult for twisting to move, thereby needs add extra instrument in order to increase spanner length and reach laborsaving effect usually in the spanner outside, and the operation is comparatively loaded down with trivial details, has reduced work efficiency.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to a retractable wrench to solve the above-mentioned problem of fixed length.

In order to achieve the purpose, the utility model provides the following technical scheme: a telescopic spanner comprises a handle base, wherein a fixed plate lip and a movable plate lip are installed on one side of the handle base, an adjusting mechanism is arranged on one side, close to the fixed plate lip, inside the handle base, an adjusting groove is formed in the handle base, a handle is movably installed inside the adjusting groove, a first accommodating groove is formed in the handle, an anti-skidding sleeve is installed on the outer side of the handle, a second knob is installed at one end, close to the fixed plate lip, of the handle base, a connecting shaft is installed on one side, close to the anti-skidding sleeve, inside the first accommodating groove, a main bevel gear is installed at the top end of the outer side of the connecting shaft, a first threaded rod is installed on one side, far away from the connecting shaft, inside the first accommodating groove, a side bevel gear is installed on one side, close to the connecting shaft, of the first threaded rod, the side bevel gear is meshed with the main bevel gear, and a first threaded sleeve is installed on the outer side of the first threaded rod, the top end of the handle is provided with a first knob.

Preferably, the two ends of the first threaded sleeve are provided with positioning blocks, and the two ends of the inside of the handle seat are provided with positioning grooves.

Preferably, the size of the positioning block is equal to that of the positioning groove, and the positioning block and the positioning groove are symmetrically arranged about the central axis of the first threaded sleeve.

Preferably, the anti-slip strips are uniformly arranged at two ends of the anti-slip sleeve, and the outer side of the anti-slip sleeve is uniformly provided with finger grooves.

Preferably, the finger grooves are uniformly provided with anti-skid protrusions, and the cross sections of the anti-skid protrusions are semicircular.

Preferably, adjustment mechanism includes the second holding tank, and the second holding tank sets up the inside at the handle seat, the internally mounted of second holding tank has the second threaded rod, and the outside of second threaded rod installs the second thread bush, the second thread bush is connected with the activity lip.

Compared with the prior art, the utility model has the beneficial effects that: the telescopic spanner not only realizes the function of convenient telescopic, but also realizes the function of skid resistance, and simultaneously realizes the function of convenient space adjustment;

(1) the first knob on the handle is rotated, the first knob drives the main bevel gear to rotate through the connecting shaft, the main bevel gear drives the first threaded rod to rotate through the meshing action between the main bevel gear and the side bevel gear, and meanwhile, under the clamping limiting action between the positioning block and the positioning groove, the first threaded sleeve synchronously drives the handle base to move outside the handle, so that the whole length of the wrench can be adjusted through the extension distance of the handle base, the torque can be increased under the lengthening action, the labor saving during twisting is further improved, the operation is simple and convenient to use, and the wrench can be conveniently carried through a telescopic structure;

(2) the anti-skidding handle is provided with the anti-skidding sleeve, and the upper end and the lower end of the anti-skidding sleeve are provided with the plurality of groups of anti-skidding strips, so that the friction force when a hand grasps the handle is increased, the anti-skidding effect in use can be further improved, and simultaneously, the limiting effect when the handle is tightly held by fingers is facilitated by matching the action of the plurality of groups of concave finger grooves and the anti-skidding protrusions, so that the skidding degree can be greatly reduced, the use effect and the operation stability are further enhanced, and the working efficiency is improved;

(3) through being provided with adjustment mechanism, when needs twist the commentaries on classics to the bolt and nut of different shape sizes, through rotatory second knob, the second knob drives the second threaded rod and rotates. And then can drive the activity board lip with second thread bush interconnect through the threaded connection effect and remove to make its bolt and nut that can be applicable to not equidimension model through the interval between regulation activity board lip and the fixed plate lip, further improve the practicality and the flexibility of spanner.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings used in the description of the embodiments or the prior art will be briefly introduced below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic front sectional view of the present invention;

FIG. 2 is a schematic diagram of the structure at A in FIG. 1 according to the present invention;

FIG. 3 is a schematic top sectional view of the adjusting mechanism of the present invention;

FIG. 4 is a schematic side view of the present invention;

FIG. 5 is a schematic top cross-sectional view of the present invention;

fig. 6 is a schematic three-dimensional structure of the present invention.

The reference numerals in the figures illustrate: 1. a fixed plate lip; 2. a movable plate lip; 3. a shank base; 4. an adjustment groove; 5. a first accommodating groove; 6. a first threaded rod; 7. a first threaded sleeve; 8. an anti-slip sleeve; 9. a handle; 10. A first knob; 11. positioning a groove; 12. positioning blocks; 13. an adjustment mechanism; 1301. a second threaded rod; 1302. a second threaded sleeve; 1303. a second accommodating groove; 14. a main bevel gear; 15. a side bevel gear; 16. A connecting shaft; 17. a second knob; 18. a finger groove; 19. anti-skid projections; 20. and (4) an anti-slip strip.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without any inventive step, are within the scope of the present invention.

Referring to fig. 1-6, an embodiment of the present invention is shown: a telescopic spanner comprises a handle base 3, wherein a fixed plate lip 1 and a movable plate lip 2 are mounted on one side of the handle base 3, and an adjusting mechanism 13 is arranged on one side, close to the fixed plate lip 1, in the handle base 3;

the adjusting mechanism 13 comprises a second accommodating groove 1303, the second accommodating groove 1303 is arranged in the handle base 3, a second threaded rod 1301 is arranged in the second accommodating groove 1303, a second threaded sleeve 1302 is arranged on the outer side of the second threaded rod 1301, and the second threaded sleeve 1302 is connected with the movable plate lip 2;

specifically, as shown in fig. 3, when the adjusting mechanism 13 is used, when bolts and nuts with different shapes and sizes need to be screwed, the second knob 17 is rotated to drive the second threaded rod 1301 to rotate. The movable plate lip 2 connected with the second threaded sleeve 1302 can be driven to move through the threaded connection effect, so that the adjustable spanner can be suitable for bolts and nuts with different sizes and models by adjusting the distance between the movable plate lip 2 and the fixed plate lip 1, and the practicability and flexibility of the spanner are further improved;

an adjusting groove 4 is formed in the handle base 3, a handle 9 is movably mounted in the adjusting groove 4, a first accommodating groove 5 is formed in the handle 9, and an anti-skidding sleeve 8 is mounted on the outer side of the handle 9;

the anti-skid device is characterized in that anti-skid strips 20 are uniformly arranged at two ends of the anti-skid sleeve 8, finger grooves 18 are uniformly formed in the outer side of the anti-skid sleeve 8, anti-skid protrusions 19 are uniformly arranged in the finger grooves 18, and the sections of the anti-skid protrusions 19 are semicircular;

specifically, as shown in fig. 4 and 5, when in use, the anti-slip sleeve 8 is arranged, and the upper end and the lower end of the anti-slip sleeve 8 are provided with the plurality of groups of anti-slip strips 20, so as to increase the friction force when the hand grasps the handle 9, thereby improving the anti-slip effect when in use, and simultaneously, the limiting effect when the hand is tightly held by the fingers is facilitated by matching the action of the plurality of groups of concave finger grooves 18 and the anti-slip bulges 19, thereby greatly reducing the slip degree, further enhancing the use effect and the stability of operation, and improving the working efficiency;

a second knob 17 is arranged at one end, close to the fixed plate lip 1, of the handle seat 3, a connecting shaft 16 is arranged at one side, close to the anti-skidding sleeve 8, inside the first accommodating groove 5, a main bevel gear 14 is arranged at the top end of the outer side of the connecting shaft 16, a first threaded rod 6 is arranged at one side, far away from the connecting shaft 16, inside the first accommodating groove 5, a side bevel gear 15 is arranged at one side, close to the connecting shaft 16, of the first threaded rod 6, the side bevel gear 15 is connected with the main bevel gear 14 in a meshed mode, and a first threaded sleeve 7 is arranged at the outer side of the first threaded rod 6;

the two ends of the first threaded sleeve 7 are respectively provided with a positioning block 12, the two ends inside the handle base 3 are respectively provided with a positioning groove 11, the sizes of the positioning blocks 12 are equal to those of the positioning grooves 11, and the positioning blocks 12 and the positioning grooves 11 are symmetrically arranged about the central axis of the first threaded sleeve 7;

specifically, as shown in fig. 1 and 2, when in use, the first knob 10 on the handle 9 is rotated, the first knob 10 drives the main bevel gear 14 to rotate through the connecting shaft 16, the main bevel gear 14 drives the first threaded rod 6 to rotate through the meshing action between the main bevel gear 14 and the side bevel gear 15, and simultaneously, under the clamping limiting action between the positioning block 12 and the positioning groove 11, the first threaded sleeve 7 synchronously drives the handle base 3 to move outside the handle 9, so that the overall length of the wrench can be adjusted through the extension distance of the handle base 3, the torque can be increased under the lengthening action, the labor saving during screwing is further improved, the operation is simple and convenient, and the wrench can be conveniently carried through a telescopic structure;

a first knob 10 is mounted on the top end of the handle 9.

The working principle is as follows: when the screw bolt nut is used, the second knob 17 is firstly rotated according to the shape and the size of the screw bolt nut to drive the second threaded rod 1301 to rotate, and then the movable plate lip 2 connected with the second threaded sleeve 1302 is driven to move through the threaded connection effect, so that the screw bolt nut can be suitable for screw bolt nuts with different sizes and shapes by adjusting the distance between the movable plate lip 2 and the fixed plate lip 1;

secondly, the first knob 10 on the handle 9 can be rotated during screwing, the first knob 10 drives the main bevel gear 14 to rotate through the connecting shaft 16, the main bevel gear 14 drives the first threaded rod 6 to rotate through the meshing action between the main bevel gear 14 and the side bevel gear 15, so that the handle base 3 can be driven to move outside the handle 9, the whole length of the wrench can be adjusted through the extending distance of the handle base 3, the torque can be increased under the lengthening action, and the labor saving performance during screwing is further improved;

finally, twist the in-process user finger and hold in the antiskid cover 8 outside of changeing, can increase the hand through antislip strip 20's effect and grasp the frictional force when getting handle 9, improve anti-skidding effect, cooperate the effect of multiunit sunken finger groove 18 and non-skid protrusions 19 simultaneously to play the limiting displacement when the handle 9 is held to the finger, thereby can greatly reduced the degree of skidding, improve the stability of operation.

In the description of the present invention, it should be noted that, unless otherwise explicitly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning either a fixed connection, a removable connection, or an integral connection; 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 meanings of the above terms in the present invention can be understood in specific cases to those skilled in the art.

The above-described embodiments of the apparatus are merely illustrative, and the units described as separate parts may or may not be physically separate, and parts displayed as units may or may not be physical units, may be located in one place, or may be distributed on a plurality of network units. Some or all of the modules may be selected according to actual needs to achieve the purpose of the solution of the present embodiment. One of ordinary skill in the art can understand and implement it without inventive effort.

Finally, it should be noted that: the above examples are only intended to illustrate the technical solution of the present invention, but not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; and such modifications or substitutions do not depart from the spirit and scope of the corresponding technical solutions of the embodiments of the present invention.

Claims

1. A telescopic spanner, comprising a handle-holder (3), characterized in that: the handle is characterized in that a fixed plate lip (1) and a movable plate lip (2) are installed on one side of a handle seat (3), an adjusting mechanism (13) is arranged on one side, close to the fixed plate lip (1), inside the handle seat (3), an adjusting groove (4) is arranged inside the handle seat (3), a handle (9) is movably installed inside the adjusting groove (4), a first accommodating groove (5) is arranged inside the handle (9), an anti-skidding sleeve (8) is installed on the outer side of the handle (9), a second knob (17) is installed at one end, close to the fixed plate lip (1), of the handle seat (3), a connecting shaft (16) is installed on one side, close to the anti-skidding sleeve (8), inside the first accommodating groove (5), a main bevel gear (14) is installed on the top end of the outer side of the connecting shaft (16), and a first threaded rod (6) is installed on one side, far away from the connecting shaft (16), inside the first accommodating groove (5), and one side of the first threaded rod (6) close to the connecting shaft (16) is provided with a side bevel gear (15), the side bevel gear (15) is meshed with the main bevel gear (14) and is connected with the main bevel gear, a first threaded sleeve (7) is arranged on the outer side of the first threaded rod (6), and a first knob (10) is arranged on the top end of the handle (9).

2. A retractable wrench as claimed in claim 1, wherein: locating blocks (12) are installed at two ends of the first threaded sleeve (7), and locating grooves (11) are formed in two ends of the interior of the handle base (3).

3. A retractable wrench as claimed in claim 2, wherein: the size of locating piece (12) all equals with the size of constant head tank (11), locating piece (12) and constant head tank (11) all are the symmetry setting about the axis of first thread bush (7).

4. A retractable wrench as claimed in claim 1, wherein: the anti-skidding device is characterized in that anti-skidding strips (20) are uniformly arranged at two ends of the anti-skidding sleeve (8), and finger grooves (18) are uniformly formed in the outer side of the anti-skidding sleeve (8).

5. A retractable wrench as claimed in claim 4, in which: the finger grooves (18) are uniformly provided with anti-skid protrusions (19), and the cross sections of the anti-skid protrusions (19) are semicircular.

6. A retractable wrench as claimed in claim 1, wherein: adjustment mechanism (13) include second holding tank (1303), and second holding tank (1303) set up in the inside of handle seat (3), the internally mounted of second holding tank (1303) has second threaded rod (1301), and second thread bush (1302) are installed in the outside of second threaded rod (1301), second thread bush (1302) are connected with activity board lip (2).