Novel wrench

Abstract

The utility model relates to the technical field of wrench tools, in particular to a novel wrench. The wrench comprises a grip, a hexagonal handle and a wrench head, the hexagonal handle is fixed at one end of the grip, the wrench head is assembled at one end of the hexagonal handle, a quick release mechanism is assembled between the hexagonal handle and the wrench head, the quick release mechanism is used for quick connection between the hexagonal handle and the wrench head, and the quick release mechanism comprises a hexagonal sleeve, a through hole and a pin. A hexagonal sleeve is fixed to the side, close to the hexagonal handle, of the wrench head, the inner side of the hexagonal sleeve is in transition fit with the hexagonal handle, a through hole is formed in the inner side of the hexagonal handle, and through holes are formed in the two sides of the hexagonal sleeve. Through the structural design of the quick release mechanism, the limiting mechanism and the auxiliary mechanism, the hexagonal handle and the wrench head can be conveniently and quickly separated and connected through the device, bolts of different specifications can be conveniently matched in the mode that the wrench heads of different specifications are quickly replaced, the working efficiency is improved, and the flexibility of the device is improved.

Description

TECHNICAL FIELD

[0001] The utility model relates to a wrench tool technical field especially relates to a new wrench. BACKGROUND

[0002] Wrench is a kind of indispensable tool in assembly and disassembly operation widely used. It is designed based on lever principle, can manually rotate bolt, screw, nut and various fasteners with threaded structure, these fasteners are usually used to connect or fix mechanical components. Specifically, wrench is closely fitted on bolt head or nut through its special opening or sleeve hole, to allow operator to exert force, effectively tighten or loosen these fasteners. This tool not only improves work efficiency, but also ensures the accuracy and safety of operation, is extremely practical hand tool in repair, manufacturing and assembly field.

[0003] Such as the new wrench of publication (announcement) no. CN218194870U, including first wrench, handle and second wrench on the same plane, connect in turn;Wrench handle is right trapezoid, its small end is connected with second wrench, the opening direction of wrench first wrench and second wrench is located on the same side of handle center line;Wrench second wrench is located on the side of opening direction and is close to the part of handle and is provided with the arc of 20±2mm radius.

[0004] Comprehensively, it can be known from the above that the prior art has the following technical problems: the prior art in the above can rotate bolt, but the size of the jaw of the wrench head is fixed, when different specifications of bolts need to be rotated, corresponding wrenches need to be replaced for use, the process is relatively cumbersome, and it is not convenient to adapt to different specifications of bolts by quickly replacing different specifications of wrenches, therefore, a new wrench is provided. UTILITY MODEL CONTENTS

[0005] The utility model aims at providing a new wrench to solve the problems in the above background art.

[0006] In order to solve the above technical problems, the utility model adopts the following technical scheme:

[0007] A new wrench, including handle, hexagonal handle and wrench head, one end of the handle is fixed with the hexagonal handle, one end of the hexagonal handle is assembled with the wrench head, a quick release mechanism is assembled between the hexagonal handle and the wrench head, the quick release mechanism is used for quick connection between the hexagonal handle and the wrench head, the quick release mechanism includes hexagonal sleeve, through hole and pin, one side of the wrench head close to the hexagonal handle is fixed with the hexagonal sleeve, the inside of the hexagonal sleeve is transitionally matched with the hexagonal handle, the inside of the hexagonal handle is provided with through hole, the two sides of the hexagonal sleeve are also provided with through hole, and the inside of multiple through holes is slidably connected with a pin.

[0008] Preferably, a limiting mechanism is arranged between the wrench head and the pin, and the limiting mechanism is used for limiting the pin.

[0009] Preferably, the limiting mechanism comprises a fixed seat, a matching cavity, a receiving cavity, a pull rod, a connecting spring, an inclined block and a hemispherical block, one side of the wrench head close to the hexagonal sleeve is fixed with the fixed seat, one end of the fixed seat and a position corresponding to the through hole in the hexagonal sleeve are provided with the matching cavity, the matching cavity is in sliding connection with the pin, one side of the fixed seat is in sliding connection with the pull rod, one side of the inside of the matching cavity is provided with the receiving cavity, the inside of the receiving cavity is in sliding connection with the inclined block, one end of the inclined block is provided with an inclined surface, the outside of the pull rod is sleeved with the connecting spring, one end of the connecting spring is fixed with the inclined block, the other end of the connecting spring is fixed with the inside of the receiving cavity, one end of the pin is provided with the hemispherical block, and the end of the hemispherical block away from the pin is in sliding connection with the inclined surface.

[0010] Preferably, an auxiliary mechanism is arranged between the fixed seat and the pin, and the auxiliary mechanism is used for assisting the pin to separate from the matching cavity.

[0011] Preferably, the auxiliary mechanism comprises a limiting spring, an inner connecting rod, a double-sided circular table block and a matching concave surface, one end of the inside of the matching cavity is fixed with the limiting spring, one end of the limiting spring is in abutting contact with the hemispherical block, one end of the pin close to the hemispherical block is fixed with the inner connecting rod, the outside of the inner connecting rod is in sliding connection with the double-sided circular table block, one end of the hemispherical block close to the pin is provided with the matching concave surface, one end of the inner connecting rod is fixed with the inside of the matching concave surface, the matching concave surface is in transition fit with one side of the double-sided circular table block, and the two sides of the double-sided circular table block are provided with inclined arc surfaces, and the inclined arc surfaces are in sliding connection with the inclined block.

[0012] Preferably, the inside of the wrench head is provided with a plurality of different specifications of the jaw.

[0013] It can be seen without doubt that the above technical solutions of the present application can certainly solve the technical problems to be solved by the present application.

[0014] Meanwhile, through the above technical solutions, the present application at least has the following beneficial effects:

[0015] The present application is convenient for quickly separating and connecting the hexagonal handle and the wrench head, is convenient for adapting to different specifications of the bolt in the mode of quickly replacing the wrench head of different specifications, accelerates the work efficiency and improves the flexibility of the present application. BRIEF DESCRIPTION OF DRAWINGS

[0016] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiment description. Obviously, the drawings described in the following description are some embodiments of the present application, and other drawings can also be obtained by those skilled in the art without creative labor on the basis of these drawings.

[0017] Figure 1 The structure schematic view of the present application;

[0018] Figure 2 The connection structure schematic view of the through hole and hexagonal handle of the present application;

[0019] Figure 3 The cut structure schematic view of the fixing seat of the present application;

[0020] Figure 4 The connection structure schematic view of the hemispherical block and double-sided circular table block of the present application;

[0021] Figure 5 The connection structure schematic view of the pin and inner connecting rod of the present application.

[0022] In the drawings, the component list represented by each number is as follows:

[0023] In the drawings: 1, handle; 2, hexagonal handle; 3, wrench head; 4, hexagonal sleeve; 5, through hole; 6, pin; 7, fixing seat; 8, matching cavity; 9, storage cavity; 10, pull rod; 11, connecting spring; 12, inclined surface block; 13, limiting spring; 14, inner connecting rod; 15, hemispherical block; 16, double-sided circular table block; 17, matching concave surface. DETAILED DESCRIPTION

[0024] In order to make the purpose, technical scheme and advantages of the present application more clear, the present application will be further described in detail below with reference to the drawings and embodiments. It should be understood that the specific embodiments described herein are only used to explain the present application, and are not used to limit the present application.

[0025] Embodiment 1

[0026] Referring to Figures 1-4A novel wrench includes a handle 1, a hexagonal handle 2, and a wrench head 3. One end of the handle 1 is fixed to the hexagonal handle 2, and the other end of the hexagonal handle 2 is fitted with the wrench head 3. A quick-release mechanism is installed between the hexagonal handle 2 and the wrench head 3 for quick connection. The quick-release mechanism includes a hexagonal sleeve 4, a through hole 5, and a pin 6. The hexagonal sleeve 4 is fixed to the side of the wrench head 3 closest to the hexagonal handle 2. The inner side of the hexagonal sleeve 4 is fitted with the hexagonal handle 2. A through hole 5 is provided on the inner side of the hexagonal handle 2, and through holes 5 are also provided on both sides of the hexagonal sleeve 4. A pin 6 is slidably connected to the inner side of the multiple through holes 5. In some other embodiments, the pin 6 is a spring pin.

[0027] A limiting mechanism is installed between the wrench head 3 and the pin 6. The limiting mechanism is used to limit the pin 6.

[0028] The limiting mechanism includes a fixed base 7, a mating cavity 8, a receiving cavity 9, a pull rod 10, a connecting spring 11, an inclined block 12, and a hemispherical block 15. A fixed base 7 is fixed to one side of the wrench head 3, near the hexagonal sleeve 4. A mating cavity 8 is formed at one end of the fixed base 7, corresponding to the through hole 5 inside the hexagonal sleeve 4. The mating cavity 8 is slidably connected to a pin 6. A pull rod 10 is slidably connected to one side of the fixed base 7. A receiving cavity 9 is formed on one side inside the mating cavity 8. The inner side of the receiving cavity 9 is slidably connected to... There is a ramp block 12, one end of which has an inclined surface. A connecting spring 11 is sleeved on the outside of the pull rod 10. One end of the connecting spring 11 is fixed to the ramp block 12, and the other end of the connecting spring 11 is fixed to the inside of the storage cavity 9. One end of the pin 6 is equipped with a hemispherical block 15. The end of the hemispherical block 15 away from the pin 6 is slidably connected to the inclined surface. One end of the hemispherical block 15 is spherical, and the other end is flat, so as to facilitate mutual cooperation with the ramp block 12 and the inclined surface on the ramp block 12.

[0029] The inside of the wrench head 3 has multiple jaws of different sizes to accommodate bolts of different sizes.

[0030] Example 2

[0031] Further optimizations to Example 1, specifically, such as... Figure 5 As shown, an auxiliary mechanism is assembled between the fixed base 7 and the pin 6. The auxiliary mechanism is used to assist the pin 6 in separating from the mating cavity 8.

[0032] The auxiliary mechanism comprises a limiting spring 13, an internal connecting rod 14, a double-sided circular table block 16, a matching concave surface 17, the inside of the matching cavity 8 is fixed with the limiting spring 13 at one end, one end of the limiting spring 13 is in contact with the hemispherical block 15, the internal connecting rod 14 is fixed on the end of the pin 6 close to the hemispherical block 15, the double-sided circular table block 16 is slidably connected to the outside of the internal connecting rod 14, the end of the hemispherical block 15 close to the pin 6 is provided with the matching concave surface 17, one end of the internal connecting rod 14 is fixed inside the matching concave surface 17, the matching concave surface 17 is in transition cooperation with one side of the double-sided circular table block 16, and the two sides of the double-sided circular table block 16 are provided with inclined arc surfaces, the inclined arc surfaces are slidably connected with the inclined surface block 12, when it is required to separate the hexagonal handle 2 from the wrench head 3, the pin 6 is pressed, so that the pin 6 drives the double-sided circular table block 16 to move along the inside of the matching cavity 8, when one inclined arc surface on the double-sided circular table block 16 is in contact with the inclined surface block 12, the inclined surface block 12 is retracted into the storage cavity 9 under the guidance of the inclined surface, then the pin 6 continues to move, so that the hemispherical block 15 extrudes the limiting spring 13 to be retracted, when the end of the inclined surface block 12 is between the two inclined arc surfaces, the inclined surface block 12 is moved to be reset under the guidance of the other inclined arc surface on the double-sided circular table block 16, then the pin 6 is released and pulled, under the limitation of the inclined surface block 12, the double-sided circular table block 16 moves along the outside of the internal connecting rod 14 towards the direction close to the matching concave surface 17, until the double-sided circular table block 16 is completely in the matching concave surface 17, then the inclined surface block 12 is retracted into the storage cavity 9 under the guidance of the other inclined arc surface on the double-sided circular table block 16, at this time, since the hemispherical block 15 is hemispherical, the pin 6 can be separated from the through hole 5 at one time, the limiting of the hexagonal handle 2 is released, then the hexagonal handle 2 can be taken out of the hexagonal sleeve 4.

[0033] From the above, it can be seen that:

[0034] The utility model discloses to the technical problem: the prior art in the process of using, although can twist the bolt, but the size of the jaw of the wrench is fixed, when the bolt of different specifications needs to be twisted, the corresponding wrench needs to be replaced to use, the process is more complicated, and it is inconvenient to adapt to the bolt of different specifications through the mode of quickly replacing the wrench of different specifications, and the technical scheme of each embodiment is adopted.

[0035] In the process of use, when the hexagonal handle 2 needs to be connected with the wrench 3, first, the hexagonal handle 2 is inserted into the hexagonal sleeve 4, at this time, the through hole 5 in the hexagonal handle 2 is in position correspondence with the through hole 5 in the hexagonal sleeve 4, then the pin 6 is inserted into the through hole 5, when the semispherical block 15 contacts with the inclined surface block 12, under the guidance of the inclined surface, the inclined surface block 12 is forced to shrink into the receiving cavity 9, at the same time, the inclined surface block 12 extrudes the connecting spring 11 to shrink, so that the pull rod 10 moves synchronously, until the semispherical block 15 contacts with the limiting spring 13, at this time, the semispherical block 15 releases the limiting of the inclined surface block 12, the elastic force of the connecting spring 11 pushes the inclined surface block 12 to reset, so that the inclined surface block 12 is inserted into the area between the semispherical block 15 and the double-sided circular table block 16 and contacts with the semispherical block 15, forming the limiting of the semispherical block 15, that is, the quick connection of the hexagonal handle 2 and the wrench 3 is completed.

[0036] Through the above setting, the technical problems can be solved, and the following technical effects are achieved:

[0037] The quick detach mechanism, the limiting mechanism and the auxiliary mechanism are structurally designed, so that the device is convenient for quick separation and connection of the hexagonal handle 2 and the wrench 3, convenient for adapting to bolts of different specifications by quickly replacing wrenches 3 of different specifications, work efficiency is improved, and flexibility of the device is improved.

[0038] In the utility model, unless there is definite stipulation and limitation, the terms "mount", "connect", "link", "fix" and the like should be understood in a broad sense, for example, can be fixed connection, can be detachable connection, or be integrated, can be mechanical connection, or electrical connection or communication with each other, can be directly connected, or indirectly connected through an intermediate medium, can be the communication or interaction of two elements, unless otherwise specified. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0039] Obviously, the above-described embodiments are only some embodiments of the utility model, not all embodiments, and the preferred embodiments of the utility model are given in the drawings, but do not limit the patent range of the utility model. The utility model can be realized in many different forms, and conversely, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive. Although the utility model is described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing specific embodiments, or make equivalent replacement to part of the technical features. Any equivalent structure made by using the contents of the utility model specification and drawings, directly or indirectly used in other related technical fields, is also within the patent protection range of the utility model.

Claims

1. A new type of wrench, characterized in that, The utility model provides a quick release mechanism for wrench, which comprises a handle (1), a hexagonal handle (2) and a wrench head (3), the hexagonal handle (2) is fixed at one end of the handle (1), the wrench head (3) is assembled at one end of the hexagonal handle (2), a quick release mechanism is assembled between the hexagonal handle (2) and the wrench head (3) for quick connection between the hexagonal handle (2) and the wrench head (3), the quick release mechanism comprises a hexagonal sleeve (4), a through hole (5) and a pin (6), the hexagonal sleeve (4) is fixed at one side of the wrench head (3) close to the hexagonal handle (2), the hexagonal sleeve (4) is in transition fit with the hexagonal handle (2), the through hole (5) is formed in the inside of the hexagonal handle (2), and the through hole (5) is also formed in both sides of the hexagonal sleeve (4), and the pin (6) is slidably connected to the inside of the through hole (5).

2. A new type of wrench according to claim 1, characterized in that, A limiting mechanism is assembled between the wrench head (3) and the pin (6) for limiting the pin (6).

3. A new type of wrench according to claim 2, characterized in that, The limiting mechanism comprises a fixed seat (7), a matching cavity (8), a receiving cavity (9), a pull rod (10), a connecting spring (11), an inclined block (12) and a hemispherical block (15), the fixed seat (7) is fixed at one side of the wrench head (3) close to the hexagonal sleeve (4), the matching cavity (8) is formed in one end of the fixed seat (7) corresponding to the through hole (5) in the hexagonal sleeve (4), the matching cavity (8) is slidably connected with the pin (6), the pull rod (10) is slidably connected to one side of the fixed seat (7), the receiving cavity (9) is formed in one side of the inside of the matching cavity (8), the inclined block (12) is slidably connected to the inside of the receiving cavity (9), an inclined surface is formed in one end of the inclined block (12), the connecting spring (11) is sleeved on the outside of the pull rod (10), one end of the connecting spring (11) is fixed with the inclined block (12), the other end of the connecting spring (11) is fixed with the inside of the receiving cavity (9), the hemispherical block (15) is assembled at one end of the pin (6), and the hemispherical block (15) is slidably connected with the inclined surface away from the pin (6).

4. A new type of wrench according to claim 3, characterized in that, An auxiliary mechanism is assembled between the fixed seat (7) and the pin (6) for assisting the pin (6) to separate from the matching cavity (8).

5. A new type of wrench according to claim 4, characterized in that, The auxiliary mechanism comprises a limiting spring (13), an inner connecting rod (14), a double-sided circular platform block (16) and a matching concave surface (17), one end of the inner side of the matching cavity (8) is fixed with the limiting spring (13), one end of the limiting spring (13) is in contact with the semispherical block (15), one end of the pin (6) close to the semispherical block (15) is fixed with the inner connecting rod (14), the outer side of the inner connecting rod (14) is slidably connected with the double-sided circular platform block (16), one end of the semispherical block (15) close to the pin (6) is provided with the matching concave surface (17), one end of the inner connecting rod (14) is fixed with the inner side of the matching concave surface (17), the matching concave surface (17) is in transition cooperation with one side of the double-sided circular platform block (16), and the two sides of the double-sided circular platform block (16) are provided with inclined arc surfaces, and the inclined arc surfaces are slidably connected with the inclined surface block (12).

6. A new type of wrench according to claim 1, characterized in that, The inner side of the wrench head (3) is provided with a plurality of different specifications of the jaw.

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