Multifunctional fire-fighting wrench

Abstract

The utility model discloses a multifunctional fire-fighting wrench, which comprises a wrench handle, a wrench head and a wrench handle, the ratchet mechanism is movably arranged on the wrench head, and a wrench opening is formed in the ratchet mechanism; the sleeve mechanism is detachably inserted into the wrench opening, and the two end faces of the sleeve mechanism are each provided with a connecting column capable of being connected with a sleeve component; wherein after the sleeve mechanism is detached, the wrench handle and the ratchet mechanism are matched to form a ratchet wrench state for use, and after the sleeve mechanism is inserted into the wrench opening, the ratchet mechanism and the sleeve mechanism are matched to form a sleeve wrench state for use. The multifunctional fire-fighting wrench is simple in structure, free switching between two functions of the fire-fighting wrench can be achieved by freely disassembling and assembling the sleeve mechanism according to specific conditions when the multifunctional fire-fighting wrench is used, fire fighters can conveniently operate the multifunctional fire-fighting wrench, multi-scene use is met, rescue time is greatly saved, the number of carried tools can be reduced, and the multifunctional fire-fighting wrench is practical and convenient to use.

Description

Technical Field

[0001] The utility model relates to the technical field of fire fighting tools, in particular to a multifunctional fire fighting wrench. Background Art

[0002] In the fire brigade, firefighters not only need to put out fires, but also often need to perform various types of rescue work. Therefore, the fire brigade will stockpile various types of firefighting tools to assist in rescue work, such as fire pliers, fire wrenches, etc.

[0003] Most of the existing fire wrenches are single-function, such as a single ratchet wrench, an open-end wrench, a socket wrench, etc. In order to cope with the use in multiple occasions, generally all of them are brought with them, which is not conducive to quick action, and the use process requires selection, which is very troublesome. Summary of the invention

[0004] In order to overcome the deficiencies of the prior art, the utility model provides a multifunctional fire wrench.

[0005] The technical solution adopted by the utility model to solve its technical problems is:

[0006] A multifunctional fire wrench, comprising:

[0007] A wrench handle, one end of which is provided with a wrench head;

[0008] A ratchet mechanism is movably arranged on the wrench head and has a wrench opening;

[0009] The sleeve mechanism is detachably inserted into the wrench opening, and its two end surfaces are respectively provided with connecting columns capable of installing the connecting sleeve component;

[0010] Among them, when the sleeve mechanism is disassembled, the wrench handle cooperates with the ratchet mechanism to form a ratchet wrench state for use, and when the sleeve mechanism is plugged into the wrench opening, the ratchet mechanism cooperates with the sleeve mechanism to form a socket wrench state for use.

[0011] In the multifunctional fire wrench as described above, a locking mechanism capable of locking the relative position relationship between the ratchet mechanism and the sleeve mechanism is further provided between the ratchet mechanism and the sleeve mechanism.

[0012] In the multifunctional fire wrench as described above, the locking mechanism includes a rotating rod rotatably arranged on the ratchet mechanism, an unlocking arc groove opened on the ratchet mechanism, a locking arc groove opened on the sleeve mechanism, and a locking protrusion arranged at one end of the rotating rod and capable of being correspondingly embedded in the unlocking arc groove or the locking arc groove.

[0013] In the multifunctional fire wrench as described above, the number of the locking mechanisms is two, and they are symmetrically arranged on the opposite end surfaces of the ratchet mechanism and the sleeve mechanism.

[0014] In the multifunctional fire wrench as described above, the ratchet mechanism includes a ratchet rotatably arranged in the wrench head, and a plurality of one-way locking components hingedly arranged on the inner side wall of the wrench head and capable of cooperating with the ratchet, and the wrench opening is opened on the ratchet.

[0015] In the multifunctional fire wrench as described above, the one-way locking assembly comprises a locking member hingedly arranged in the wrench head, and a pressing member capable of pressing the locking member to move the locking member toward the ratchet wheel to engage.

[0016] In the multifunctional fire wrench as described above, a return spring is also sleeved on the pressing member.

[0017] In the multifunctional fire wrench as described above, the sleeve mechanism includes a connector that is detachably inserted into the wrench opening, and the two connecting columns are respectively arranged at both ends of the connector. After the connector is inserted into the wrench opening, it cooperates with the ratchet to form a complete ratchet structure.

[0018] In the multifunctional fire wrench as described above, the two side walls of the wrench opening are respectively provided with engaging grooves, and the two side walls of the connector are respectively provided with engaging ribs which can be correspondingly embedded in the engaging grooves.

[0019] In the multifunctional fire wrench as described above, the wrench head is also connected with a wrench head cover which can prevent the ratchet mechanism from falling out.

[0020] The beneficial effects of the utility model are as follows: the application has a simple structure, and when in use, the two functions of the fire wrench can be freely switched by freely disassembling and assembling the sleeve mechanism according to the specific situation, which is convenient for firefighters to operate, meets the needs of use in multiple scenarios, and can reduce the number of tools carried, which is practical and convenient. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings required for use in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of the present application. For ordinary technicians in this field, other drawings can be obtained based on these drawings without creative work.

[0022] Figure 1 This is one of the structural schematic diagrams of a multifunctional fire-fighting wrench according to an embodiment of the utility model (socket wrench state).

[0023] Figure 2This is the second structural schematic diagram of a multifunctional fire wrench according to an embodiment of the utility model (ratchet wrench state).

[0024] Figure 3 It is a structural exploded view of a multifunctional fire wrench according to an embodiment of the utility model.

[0025] Figure 4 It is a structural schematic diagram of the sleeve component described in the embodiment of the utility model.

[0026] Figure 5 This is the third structural schematic diagram of a multifunctional fire wrench according to an embodiment of the utility model (the socket wrench is in use). DETAILED DESCRIPTION

[0027] The technical solution of the utility model is described in detail below in conjunction with the accompanying drawings and embodiments.

[0028] See also Figures 1 to 5 As shown, the embodiment of the present application provides a multifunctional fire wrench, including:

[0029] A wrench handle 1, one end of which is provided with a wrench head 10;

[0030] A ratchet mechanism 2 is movably disposed on the wrench head 10 and has a wrench opening 20;

[0031] The sleeve mechanism 3 is detachably inserted into the wrench opening 20, and the two end surfaces thereof are respectively provided with connecting columns 30 for mounting the connecting sleeve component 7;

[0032] Among them, when the sleeve mechanism 3 is disassembled, the wrench handle 1 cooperates with the ratchet mechanism 2 to form a ratchet wrench state for use, and when the sleeve mechanism 3 is plugged into the wrench opening 20, the ratchet mechanism 2 cooperates with the sleeve mechanism 3 to form a socket wrench state for use.

[0033] When in use, the two functions of the fire wrench can be freely switched by freely disassembling and assembling the sleeve mechanism 3 according to the specific situation, which is convenient for firefighters to operate and can be used in multiple scenarios, greatly saving rescue time and reducing the number of tools carried, which is practical and convenient.

[0034] Furthermore, a locking mechanism 4 is provided between the ratchet mechanism 2 and the sleeve mechanism 3 to lock the relative position relationship between the two.

[0035] Specifically, the locking mechanism 4 includes a rotating rod 41 rotatably arranged on the ratchet mechanism 2, an unlocking arc groove 42 opened on the ratchet mechanism 2, a locking arc groove 43 opened on the sleeve mechanism 3, and a locking protrusion 44 arranged at one end of the rotating rod 41 and capable of being correspondingly embedded in the unlocking arc groove 42 or the locking arc groove 43.

[0036] When in use, after the sleeve mechanism 3 is inserted into the wrench opening 20, it is only necessary to rotate the rotating rod 41 to move the locking protrusion 44 from the unlocking arc groove 42 to the locking arc groove 43 to complete the locking, which is practical and convenient; when the sleeve mechanism 3 is not needed, it is only necessary to rotate the rotating rod 41 to move the locking protrusion 44 from the locking arc groove 43 to the unlocking arc groove 42 to complete the unlocking.

[0037] Specifically, there are two locking mechanisms 4, which are symmetrically arranged on opposite end surfaces of the ratchet mechanism 2 and the sleeve mechanism 3, respectively, so as to make the connection between the ratchet mechanism 2 and the sleeve mechanism 3 more stable and ensure the stability of the wrench in use.

[0038] Furthermore, the ratchet mechanism 2 includes a ratchet 21 rotatably disposed in the wrench head 10 , and a plurality of one-way locking components 22 hingedly disposed on the inner side wall of the wrench head 10 and capable of cooperating with the ratchet 21 , and the wrench opening 20 is opened on the ratchet 21 .

[0039] Specifically, the one-way locking assembly 22 includes a locking member 221 hingedly disposed in the wrench head 10 , and a pressing member 222 capable of pressing the locking member 221 to move the locking member 221 toward the ratchet 21 to engage.

[0040] The pressing member 222 is also sleeved with a return spring 223 .

[0041] When in use, the spanner opening 20 is inserted into the nut to be screwed, and then the spanner handle 1 is repeatedly rotated. In this embodiment, the working principle of the ratchet spanner state is the same as the working principle of the ratchet spanner in the prior art.

[0042] Furthermore, the sleeve mechanism 3 includes a connector 31 that is detachably inserted into the wrench opening 20, and the two connecting columns 30 are respectively arranged at both ends of the connector 31. After the connector 31 is inserted into the wrench opening 20, it cooperates with the ratchet 21 to form a complete ratchet structure.

[0043] When in use, it is only necessary to connect the corresponding sleeve component 7 to the connecting column 30. In this embodiment, the working principle of the sleeve wrench state is the same as the working principle of the sleeve wrench in the prior art.

[0044] Specifically, Figure 4 As shown, the sleeve component 7 includes a hexagonal sleeve head, a square sleeve head, a cross sleeve head, a pointed sleeve head, a straight sleeve head, etc. The corresponding sleeve component 7 can be selected for use according to specific conditions.

[0045] Furthermore, the two side walls of the wrench opening 20 are respectively provided with engaging grooves 51 , and the two side walls of the plug-in component 31 are respectively provided with engaging ribs 52 that can be correspondingly embedded in the engaging grooves 51 .

[0046] Furthermore, the wrench head 10 is also connected to a wrench head cover 100 which can prevent the ratchet mechanism 2 from falling out.

[0047] The above description is only an embodiment of the present invention, and does not limit the patent scope of the present invention. Any equivalent structure made using the contents of the specification and drawings of the present invention, or directly or indirectly used in other related technical fields, is also included in the patent protection scope of the present invention.

Claims

1. A multifunctional fire wrench, characterized in that: Included are: A wrench handle (1), one end of which is provided with a wrench head (10); A ratchet mechanism (2) is movably arranged on the wrench head (10) and is provided with a wrench opening (20); The sleeve mechanism (3) is detachably inserted into the wrench opening (20), and its two end surfaces are respectively provided with connecting columns (30) capable of installing the connecting sleeve component (7); When the sleeve mechanism (3) is disassembled, the wrench handle (1) cooperates with the ratchet mechanism (2) to form a ratchet wrench state for use; when the sleeve mechanism (3) is plugged into the wrench opening (20), the ratchet mechanism (2) cooperates with the sleeve mechanism (3) to form a socket wrench state for use.

2. A multifunctional fire wrench according to claim 1, characterized in that: A locking mechanism (4) capable of locking the relative positional relationship between the ratchet mechanism (2) and the sleeve mechanism (3) is also provided between the ratchet mechanism (2) and the sleeve mechanism (3).

3. A multifunctional fire wrench according to claim 2, characterized in that: The locking mechanism (4) comprises a rotating rod (41) rotatably arranged on the ratchet mechanism (2), an unlocking arc groove (42) provided on the ratchet mechanism (2), a locking arc groove (43) provided on the sleeve mechanism (3), and a locking protrusion (44) provided at one end of the rotating rod (41) and capable of being respectively embedded in the unlocking arc groove (42) or the locking arc groove (43).

4. A multifunctional fire wrench according to claim 2 or 3, characterized in that: The number of the locking mechanisms (4) is two, and they are symmetrically arranged on the opposite end surfaces of the ratchet mechanism (2) and the sleeve mechanism (3).

5. A multifunctional fire wrench according to claim 1, characterized in that: The ratchet mechanism (2) comprises a ratchet (21) rotatably arranged in the wrench head (10), and a plurality of one-way locking components (22) hingedly arranged on the inner side wall of the wrench head (10) and capable of cooperating with the ratchet (21); the wrench opening (20) is opened on the ratchet (21).

6. A multifunctional fire wrench according to claim 5, characterized in that: The one-way locking assembly (22) comprises a locking member (221) hingedly arranged in the wrench head (10), and a pressing member (222) capable of pressing the locking member (221) to move the locking member (221) toward the ratchet (21) to engage.

7. A multifunctional fire wrench according to claim 6, characterized in that: The pressing member (222) is also sleeved with a return spring (223).

8. A multifunctional fire wrench according to claim 5, characterized in that: The sleeve mechanism (3) comprises a plug-in component (31) which is detachably inserted into the wrench opening (20), and the two connecting columns (30) are respectively arranged at two ends of the plug-in component (31). After the plug-in component (31) is inserted into the wrench opening (20), it cooperates with the ratchet (21) to form a complete ratchet structure.

9. A multifunctional fire wrench according to claim 8, characterized in that: The two side walls of the spanner opening (20) are respectively provided with engaging grooves (51), and the two side walls of the plug-in connector (31) are respectively provided with engaging convex ribs (52) which can be correspondingly embedded in the engaging grooves (51) for engaging.

10. A multifunctional fire wrench according to claim 1, characterized in that: The spanner head (10) is also connected to a spanner head cover (100) capable of preventing the ratchet mechanism (2) from falling out.

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