CN214135763U

CN214135763U - Retractable head-changing wrench

Info

Publication number: CN214135763U
Application number: CN202022748810.9U
Authority: CN
Inventors: 张鹏跃; 刘龙
Original assignee: Hebei College of Industry and Technology
Current assignee: Hebei College of Industry and Technology
Priority date: 2020-11-24
Filing date: 2020-11-24
Publication date: 2021-09-07
Anticipated expiration: 2030-11-24

Abstract

The utility model provides a collapsible formula spanner of changing one's head belongs to instrument technical field, including the spanner handle and set up the spanner head at the spanner handle tip, set up the plug-in mounting handle that is used for installing the spanner head at the tip of spanner handle and set up in the spanner head side and with the mounting hole of plug-in mounting handle, the side of spanner head still protruding be equipped with clamp the arch, still be provided with the couple subassembly that is used for preventing the spanner head to drop on the spanner handle, the couple subassembly with clamp protruding cooperation and fix the spanner head chucking on the plug-in mounting handle. The utility model provides a collapsible formula spanner of trading head realizes being connected of spanner head and spanner handle through inserting the cartridge handle in the mounting hole on the spanner head to establish through the couple subassembly hook and can prevent that spanner head and spanner handle from breaking away on clamping the arch, make spanner head and spanner handle's fixed more firm, it is more convenient also to make spanner head and spanner handle fixed simultaneously.

Description

Retractable head-changing wrench

Technical Field

The utility model belongs to the technical field of the instrument, specifically speaking relates to a collapsible formula wrench that trades head.

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. Because the types of fasteners are various, wrenches of different types need to be prepared to work in order to adapt to different types of fasteners, so that the wrenches are inconvenient to use. The outgoing line of the spanner with the replaceable head can be conveniently worked only by replacing the spanner head matched with the type of the fastener in order to solve the problems. However, most of the head-changing wrenches in the prior art have the problems that the wrench head and the handle are inconvenient to assemble and are not firm to fix when in use.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a collapsible formula spanner of trading is aimed at solving the spanner head that current spanner of trading exists and the problem that the handle equipment is inconvenient and fixed insecure drops easily.

In order to achieve the above object, the utility model adopts the following technical scheme: the utility model provides a collapsible formula wrench with a replaceable head for rotating fastener, be in including wrench handle and setting wrench head, the setting of wrench handle tip are in wrench handle's tip is used for the installation wrench head's plug-in handle and setting are in wrench head side and with the mounting hole of plug-in handle, wrench head's side is protruding still to be equipped with clamps the arch, still be provided with on the wrench handle and be used for preventing the couple subassembly that wrench head drops, the couple subassembly with clamp protruding cooperation will wrench head chucking is fixed on the plug-in handle.

As another embodiment of the application, the hook assembly comprises a fixed base fixedly arranged on the side surface of the wrench handle, a clamping handle hinged to the top of the fixed base at the middle part, and a hook body part arranged at the end part of the clamping handle and used for clamping and clamping the protrusion.

As another embodiment of this application, the side of pressing from both sides tight handle still is provided with the rotation base, still be provided with the axis of rotation between rotation base and the fixed baseplate, still the cover is equipped with in the axis of rotation and is used for with the tip that presss from both sides tight handle is to the elastic component that the spanner head is close to.

As another embodiment of the present application, the clamping protrusion is a clamping fin plate disposed on a side surface of the wrench head, the hook body is a clamping hook plate disposed at an end portion of the clamping handle, and the clamping hook plate abuts against a side surface of the clamping fin plate away from the wrench handle.

As another embodiment of the application, the contact surface of the clamping hook plate and the clamping fin plate is provided with anti-skid grains for preventing the clamping hook plate from being separated from the clamped fin plate.

As another embodiment of this application, the rotating base includes base body and two settings and is in base body bottom is used for with the fixed clamp plate of base body, two the clamp plate sets up and supports respectively at intervals each other and leans on the side of spanner handle.

As another embodiment of the application, the clamping plate is further provided with a through hole for a fastener to pass through, and the clamping plate and the wrench handle are fixed through the fastener.

As another embodiment of the present application, the trigger handle includes a sleeve portion having a hollow inside, an adjustment portion slidably disposed in the sleeve portion, and a locking member disposed on the sleeve portion for locking the adjustment portion, and the insertion handle is disposed at an end of the adjustment portion.

As another embodiment of the present application, the locking member is a locking screw disposed through a sidewall of the sleeve portion and threadedly coupled with the sleeve portion.

As another embodiment of the application, the wrench handle and the insertion handle are of an integrated structure, and the wrench handle and the insertion handle are made of magnetic materials.

The utility model provides a collapsible formula trades first spanner's beneficial effect lies in: compared with the prior art, the end part of the wrench handle is provided with the insertion handle, the side surface of the wrench head is provided with the mounting hole, the insertion handle is inserted into the mounting hole when the wrench head needs to be replaced, the side surface of the wrench head is also convexly provided with the clamping bulge, the wrench handle is further provided with the hook assembly, and the hook assembly is hooked on the clamping bulge. The utility model discloses but retractable trades first spanner realizes being connected of spanner head and wrench handle through inserting the cartridge handle in the mounting hole on the spanner head to establish through the couple subassembly hook and can prevent that spanner head and wrench handle from breaking away on clamping the arch, make spanner head and wrench handle's fixed more firm, it is more convenient also to make spanner head and wrench handle fixed simultaneously.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings required for the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art to obtain other drawings without creative efforts.

Fig. 1 is a schematic structural view of a retractable wrench with a replaceable head according to an embodiment of the present invention;

fig. 2 is a schematic cross-sectional view of a retractable wrench with a replaceable head according to an embodiment of the present invention;

fig. 3 is a schematic view of the storage structure of the retractable head-changing wrench of the present invention.

In the figure: 1. a wrench handle; 11. a sleeve portion; 12. an adjustment section; 13. a locking member; 2. a wrench head; 3. a handle is inserted; 4. mounting holes; 5. a hook assembly; 51. a fixed base; 52. a clamping handle; 53. a hook portion; 54. an elastic member; 55. a rotating shaft; 6. the projection is clamped.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, a retractable wrench with a changeable head according to the present invention will be described. Retractable trades first spanner, including trigger handle 1 and set up at the wrench end 2 of 1 tip of trigger handle, the setting is used for installing the cartridge handle 3 of wrench end 2 at the tip of trigger handle 1, and set up 2 sides of wrench end and with the mounting hole 4 of cartridge handle 3, the side of wrench end 2 still protruding be equipped with clamp arch 6, still be provided with the couple subassembly 5 that is used for preventing that wrench end 2 from droing on trigger handle 1, couple subassembly 5 with clamp protruding 6 cooperations and fix wrench end 2 chucking on cartridge handle 3.

Compared with the prior art, the collapsible formula spanner of changing one's head that this embodiment provided is provided with insertion handle 3 through the tip at spanner handle 1, is provided with mounting hole 4 in spanner head 2's side, inserts insertion handle 3 in mounting hole 4 when spanner head 2 needs to be changed to it clamps arch 6 still to protruding being equipped with in spanner head 2's side, still is provided with couple subassembly 5 on spanner handle 1, and couple subassembly 5 hooks to establish on clamping arch 6. The utility model discloses but first spanner is traded to contraction type realizes being connected of spanner head 2 and wrench handle 1 in inserting the mounting hole 4 on spanner head 2 through with the plug-in handle 3 to establish through couple subassembly 5 hook and can prevent that spanner head 2 and wrench handle 1 from throw off on clamping arch 6, make spanner head 2 more firm with wrench handle 1's fixed, it is more convenient also to make spanner head 2 fixed with wrench handle 1 simultaneously.

As a specific embodiment of the retractable spanner for changing head provided by the present invention, please refer to fig. 3 together, the hook assembly 5 includes a fixing base 51 fixed on the side of the spanner handle 1, a clamping handle 52 hinged at the top of the fixing base 51 at the middle part, and a hook body 53 arranged at the end of the clamping handle 52 and used for clamping the protrusion 6. Rotate clamping handle 52 through fixed baseplate 51 and install the side at wrench end 1, can be through pressing the tip that clamping handle 52 will set up the hook body portion 53 perk on clamping handle 52 other end when wrench end 2 is installed, then insert the inside back of mounting hole 4 on the side of wrench end 2 at cartridge handle 3, make hook body portion 53 hang and establish on wrench end 2 clamp protruding 6 to realize wrench end 2's fixed, it is more firm convenient to make wrench end 2 fix.

As a specific embodiment of the retractable spanner with changeable head provided in the present invention, please refer to fig. 1 and 2, the side of the clamping handle 52 is further provided with a rotating base, a rotating shaft 55 is further provided between the rotating base and the fixed base 51, and the rotating shaft 55 is further sleeved with an elastic member 54 for approaching the end of the clamping handle 52 to the spanner head 2. The rotating shaft 55 penetrates through the rotating base and is arranged on the rotating base, the rotating base is rotatably connected with the fixed base 51 through the rotating shaft 55, the rotating shaft 55 is further sleeved with an elastic piece 54, after the insertion handle 3 is inserted into the mounting hole 4 on the side surface of the wrench head 2, one end of the clamping handle 52, which is provided with the hook part 53, is pushed to rotate towards the direction close to the clamping bulge 6 through elasticity, so that the clamping handle 52 is more convenient to mount and move, and the clamping handle 52 can automatically reset.

In this embodiment, the elastic member 54 is a torsion spring, the main body of the torsion spring is sleeved outside the rotation shaft 55, one end of the torsion spring is connected to the side of the clamping handle 52, and the other end of the torsion spring is connected to the side of the wrench handle 1.

As a specific implementation manner of the retractable spanner with changeable head, please refer to fig. 1 and 2, the clamping protrusion 6 is a clamping fin plate arranged on the side of the spanner head 2, the hook body 53 is a clamping hook plate arranged at the end of the clamping handle 52, and the clamping hook plate is abutted against the side of the clamping fin plate away from the spanner handle 1. The clamping protrusion 6 adopts the clamping fin plate to enable the clamping hook plate and the clamping fin plate to be fixed more firmly and conveniently, the wrench head 2 is integrally lighter, and the preferred clamping fin plate and the wrench head 2 are of an integrated structure, so that the clamping fin plate is firmer.

As a specific embodiment of the retractable wrench with changeable head provided by the present invention, please refer to fig. 1 and 2, the contact surface between the hook plate and the clamped fin plate is provided with anti-slip patterns for preventing the clamped hook plate and the clamped fin plate from being disengaged. The anti-slip grains can prevent the clamping hook plate and the clamping fin plate from sliding mutually, and prevent the clamping hook plate from being separated from the clamped fin plate, so that the clamping hook plate and the clamping fin plate are fixed more firmly.

As a specific embodiment of the retractable spanner for changing head, please refer to fig. 1 and 2, the rotating base includes a base body and two clamping plates disposed at the bottom of the base body for fixing the base body, the two clamping plates are disposed at an interval and respectively abut against the side of the spanner handle 1. The rotary base adopts the structure, so that the installation of the rotary base is more convenient, and the installation is firmer and more reliable.

As a specific embodiment of the retractable spanner with changeable head provided by the present invention, please refer to fig. 1 and 2, a via hole for passing a fastener is further provided on the clamping plate, and the clamping plate is fixed with the spanner handle 1 through the fastener. Will fix through the fastening, make the fixed firm reliable more of rotating the base.

Referring to fig. 1 and 2, a wrench handle 1 includes a sleeve portion 11 with a hollow interior, an adjusting portion 12 slidably disposed in the sleeve portion 11, and a locking member 13 disposed on the sleeve portion 11 for locking the adjusting portion 12, and an insertion handle 3 is disposed at an end of the adjusting portion 12. The wrench handle 1 with the structure can enable the whole length of the wrench handle 1 to be freely adjusted, and the sleeve part 11 and the adjusting part 12 are fixed through the locking part 13 after the wrench handle is adjusted in place, so that the wrench is more convenient to use.

As a specific embodiment of the retractable wrench with changeable head provided in the present invention, please refer to fig. 1 and 2, the locking member 13 is a locking screw rod which is disposed through the side wall of the sleeve portion 11 and is in threaded connection with the sleeve portion 11. The locking part 13 is a locking screw rod, so that the structure of the locking part 13 is simpler, and the use is more convenient.

As a specific embodiment of the retractable head-changing wrench provided by the present invention, please refer to fig. 3, the wrench handle 1 and the insertion handle 3 are integrated, and the wrench handle 1 and the insertion handle 3 are made of magnetic material. Spanner handle 1 and cartridge handle 3 are the magnetic material finished piece and can adsorb spanner head 2 in the side of spanner handle 1 when the spanner does not use, prevent that spanner head 2 and spanner handle 1 from storing simultaneously, make placing of spanner store more conveniently.

The above description is only exemplary of the present invention and should not be construed as limiting the present invention, and any modifications, equivalents and improvements made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims

1. The utility model provides a collapsible formula spanner of changing one's head, its characterized in that includes the spanner handle and sets up spanner head, the setting of spanner handle tip are in the tip of spanner handle is used for the installation the plug-in handle of spanner head and setting are in spanner head side and with the mounting hole of plug-in handle, the side of spanner head is protruding still to be equipped with clamps the arch, still be provided with on the spanner handle and be used for preventing the couple subassembly that the spanner head drops, the couple subassembly with clamp protruding cooperation will spanner head chucking is fixed on the plug-in handle.

2. The retractable head-changing wrench as claimed in claim 1, wherein the hook assembly comprises a fixed base fixed on the side of the wrench handle, a clamping handle hinged at the middle part on the top of the fixed base, and a hook part arranged at the end of the clamping handle for clamping the clamping protrusion.

3. The retractable spanner for changing head of claim 2, wherein a rotating base is further disposed on a side surface of the clamping handle, a rotating shaft is further disposed between the rotating base and the fixed base, and an elastic member for moving an end of the clamping handle toward the spanner head is further sleeved on the rotating shaft.

4. The retractable spanner with replaceable head of claim 3, wherein the locking protrusion is a locking fin plate disposed on a side of the spanner head, and the hook body is a locking hook plate disposed at an end of the clamping handle, and the locking hook plate abuts against a side of the locking fin plate away from the spanner handle.

5. The retractable type wrench of claim 4, wherein the contact surface of the clamping hook plate and the clamping fin plate is provided with anti-slip lines for preventing the clamping hook plate from being disengaged from the clamped fin plate.

6. The retractable head-changing wrench as claimed in claim 3, wherein the rotating base includes a base body, and two clamping plates disposed at the bottom of the base body for fixing the base body, the two clamping plates being spaced apart from each other and abutting against the side surfaces of the wrench handle, respectively.

7. The retractable tradehead wrench of claim 6, wherein the clamping plate is further provided with a through hole for passing a fastener, and the clamping plate and the wrench handle are fixed by the fastener.

8. The retractable spanner for changing heads as claimed in claim 1, wherein said spanner handle comprises a sleeve portion having a hollow inside, an adjustment portion slidably disposed in said sleeve portion, and a locking member disposed on said sleeve portion for locking said adjustment portion, said insertion handle being disposed at an end of said adjustment portion.

9. The retractable spanner wrench of claim 8, wherein the locking member is a locking screw disposed through a side wall of the sleeve portion and threadedly engaged with the sleeve portion.

10. A retractable spanner as claimed in any one of claims 1 to 9, wherein the handle and the insertion handle are a unitary structure, and both the handle and the insertion handle are made of magnetic material.