CN205497299U - Buckle fixing structure of wrench - Google Patents

Abstract

The utility model discloses a buckle fixed knot of spanner constructs includes: the wrench comprises a wrench body, a ratchet wheel device, a limiting piece, a spring and at least one assembly part, wherein the wrench body is provided with an operating rod and a head end, the head end slightly protrudes upwards out of the operating rod, a step-shaped part can be formed between the head end and the upper surface of the operating rod, a sleeve hole is arranged in the center of the head end, the ratchet wheel device controlled by a reversing toggle button is installed in the sleeve hole, a slit is horizontally arranged at the side end of the step-shaped part towards the direction of the sleeve hole, a combination hole penetrating through the slit is arranged at one side position of the head end, and a stop pin is fixedly arranged at the other side position of the operating rod relative to the combination hole. The limiting sheet has one first end with one pivot hole and one second end with one long slot near the second end, one clamping lip formed between the edges of the first end and the second end, and one assembling part installed inside the ratchet mechanism of the spanner body and with one ring groove in the periphery.

Description

Buckle fixing structure of wrench

technical field

The utility model relates to a "snap fastening structure of a wrench", in particular to a ratchet wrench capable of buckling and fixing assembly parts such as sleeves.

Background technique

Press, most of the ratchet wrenches known at present have a drive head and a ratchet block installed in the head end of the wrench body, and the outer circumference of the drive head is equipped with an outer ring tooth, so that the ratchet block can be continuously pushed by a positioning component Mesh with the teeth of the outer ring, cooperate with a reversing button to trigger the ratchet block to engage the peripheral edge of the teeth of the outer ring with different teeth on both sides, and the operation of reversing locking can be completed.

However, the above-mentioned conventional structure still has the following problems in practical application: when it is used, the polygonal hole of the drive head provides sleeves and other assembly parts to be inserted, but this simple latch does not It has the function of positioning, so when using it, it is often necessary to hold the assembly parts such as the sleeve with one hand and hold the wrench with the other hand, so as to prevent the assembly parts from falling out at will, which is obviously inconvenient in operation.

Therefore, how to develop and improve the shortcomings of the above-mentioned conventional ratchet wrench is actually the goal of research and development required by the relevant industries. To be designed, through various discussions and sample tests, and multiple revisions and improvements, the utility model is released.

Utility model content

When the conventional ratchet wrench is used, the polygonal hole of the drive head is used to provide sleeves and other assembly parts to be inserted into. However, the simple catch does not have the function of positioning, which is a technical problem to be solved.

In order to solve the above technical problems, the utility model provides a buckle fixing structure of a wrench, which includes: a wrench body, a ratchet device, a limit piece, a spring and at least one assembly, wherein:

The wrench body has an operating rod and a head end. The head end protrudes upwards from the operating rod, so that a stepped portion can be formed between the head end and the upper surface of the operating rod. A set of holes is provided in the center of the head end. A ratchet device controlled by the reversing button is installed inside, and a slit is horizontally provided at the side end of the step-shaped part toward the sleeve hole, and the conduction between the slot and the sleeve hole will be formed so that the limit piece can be locked by the lip. After moving into the slit, it protrudes to the inside of the sleeve hole. A joint hole passing through the slit is provided on one side of the head end, and a stopper is fixed on the other side of the operation rod relative to the joint hole. pin;

The limiting piece has a first end and a second end, the first end is provided with a pivot hole, and the bottom surface is provided with a long groove adjacent to the second end, and a thin wall is formed between the first end and the second end. Shaped treatment forms a snap lip;

The assembly is installed in the ratchet device of the wrench body, and the assembly is driven to rotate through the ratchet device by pulling the operating rod, and a ring groove is formed on the outer circumference of one end of the assembly;

In the above structure, the spring is placed in the long slot of the stopper, so that the lip of the stopper can use the alignment of the pivot hole and the joint hole, and cooperate with the insertion of a stopper pin, and the pivot is assembled in the slit of the wrench body In the center, the rear stop pin of the pivot group will penetrate into the long slot, and the stop pin will provide the abutment of one end of the spring, and under normal conditions, the limit piece can be pushed to the sleeve hole of the wrench body by the lip of the spring through the top support of the spring force. Make a protrusion in the middle, and use the extension of the snap lip to snap into the ring groove of the assembly, which will produce a snap-on effect on the assembly, preventing the assembly from falling out after being installed in the ratchet device.

Further, wherein, the second end of the limiting piece is enlarged relative to the first end.

Further, wherein, the second end of the limiting piece is provided with anti-slip lines.

Further, wherein, the fitting is an external sleeve.

Further, wherein, the assembly part is an external tool head.

The utility model compares the effect of prior art:

(1) The utility model provides a buckle fixing structure of the wrench, which uses the lip of the limit piece to buckle the assembly, which can prevent the assembly from being easily removed after being installed in the ratchet device. The positioning effect is good, and it is relatively There is no need to hold on to the assembly all the time.

(2) The utility model provides a buckle fixing structure of a wrench. The wrench body can provide an assembly of an external sleeve for fastening, and can also be arbitrarily replaced with an assembly of an external tool head, which is more flexible in use flexibility, not limited to a single function.

Description of drawings

Fig. 1 is a three-dimensional assembled view of the utility model.

Fig. 2 is a three-dimensional exploded view of the utility model.

Fig. 3 is a buckling state diagram of the utility model.

Fig. 4 is an AA sectional view of Fig. 3 of the present utility model.

Fig. 5 is a diagram of the replacement state of the assembly parts of the present invention.

In the figure, wrench body --- 10 Operating rod --- 11

Head end - - - - 12 steps - - - - 13

Hole - - - - 14 Slit - - - - - 15

Combined hole - - - - 16 stop pin - - - - - 17

Limit pin - - - - 18

Ratchet device - - - 20 Reversing button - - - 21

Limiting piece - - - - 30 First end - - - - 31

The second end - - - - 32 Pivot hole - - - - - 33

Long groove－－－－－34 Clip lip－－－－－－35

Anti-slip pattern - - - 36

Spring - - - - 40

Assemblies - - - 50 Assemblies - - - 500

Ring ditch - - - - 51.

detailed description

The utility model will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the utility model and implement it, but the examples given are not intended to limit the utility model.

First of all, as shown in Figures 1 to 4, it includes: a wrench body 10, a ratchet device 20, a limit piece 30, a spring 40 and at least one assembly 50500, wherein the wrench body 10 has an operation Rod 11 and a head end 12, the head end 12 protrudes slightly upwards from the operating rod 11, so that a stepped portion 13 can be formed between the head end 12 and the upper surface of the operating rod 11, and a set of Hole 14, a ratchet device 20 controlled by the reversing toggle button 21 is installed in the sleeve hole 14, and the side end of the stepped portion 13 is horizontally provided with a slit 15 towards the sleeve hole 14 direction, and the sleeve hole 14 is connected with the slit 15 Forming conduction will allow the stopper 30 to move into the slit 15 with the snap lip 35, and then protrude appropriately to the inside of the sleeve hole 14. A joint passing through the slit 15 is provided on the side of the head end 12. Hole 16, a stop pin 17 is fixed on the other side of the operating rod 11 relative to the combination hole 16, and the limiting piece 30 has a first end 31 and an enlarged second end 32, the first end 31 A pivot hole 33 is provided on the top, a long groove 34 is provided on the bottom surface adjacent to the second end 32, and a lip 35 is formed by thinning treatment between the first end 31 and one side edge of the second end 32. 50 and 500 are installed in the ratchet device 20 of the wrench body 10. The ratchet device 20 drives the assembly parts 50 and 500 to rotate through the lever 11. A ring groove 51 is formed on the outer periphery of one end of the assembly part 50500.

The combination of its structure is shown in Figure 1, Figure 3 and Figure 4, the spring 40 is placed in the long slot 34 of the stopper 30, so that the lip 35 of the stopper 30 can use the pivot hole 33 and the joint hole 16 Alignment, with the penetration of a limit pin 18, the pivot is assembled in the slit 15 of the wrench body 10, and the stop pin 17 will penetrate the long groove 34 after the pivot is assembled, and the stop pin 17 is used to provide the abutment of one end of the spring 40 , and under normal conditions, through the support of the elastic force of the spring 40, the stopper 30 can be properly protruded into the sleeve hole 14 of the wrench body 10 with the lip 35, and the lip 35 can be snapped into the device. The ring grooves 51 of the fittings 50, 500 will be able to produce a fastening effect on the fittings 50500, so as to prevent the fittings 50, 500 from being put into the ratchet device 20 and then falling out arbitrarily.

The utility model provides a buckle fixing structure of a wrench, wherein, the second end 32 of the limiting piece 30 is provided with an anti-slip pattern 36, so that the second end 32 can be easily pulled.

The utility model provides a buckle fixing structure of a wrench, wherein the assembly part 50 is an external sleeve.

The utility model provides a buckle fixing structure of a wrench, wherein the assembly part 500 is an external tool head.

Please continue as shown in Figure 5. In actual use, if you want to replace different assembly parts 50 and 500, use the pull of the second end 32 of the stopper 30 to drive the card lip 35 to move out of the sleeve hole in the direction of the operating rod 11 14. Let the assembly part 50 not be locked by the snap lip 35, and immediately disengage from the ratchet device 20, and fall out of the sleeve hole 14, which can be replaced with different assembly parts 50, 500, and the spring can be used after the replacement 40 drives the limit piece 30 to reset, allowing the replaced assembly parts 50, 500 to regain clamping.

The structure of the above-mentioned specific embodiment can obtain the following benefits: one utilizes the snap lip 35 of the spacer 30 to buckle the assembly parts 50, 500, which can prevent the assembly parts 50, 500 from being easily loaded into the ratchet device 20. If it comes out, the positioning effect is good, and it is relatively unnecessary to hold the assembly parts 50 and 500 all the time during use; secondly, the wrench body 10 can provide the assembly part 50 of the external sleeve for fastening, and can also be replaced with an external tool head at will. The accessory 500 is more flexible in use and not limited to a single function.

The above-mentioned embodiments are only preferred embodiments for fully illustrating the utility model, and the protection scope of the utility model is not limited thereto. Equivalent substitutions or transformations made by those skilled in the art on the basis of the present utility model are all within the protection scope of the present utility model. The scope of protection of the utility model shall be determined by the claims.

Claims (5)

1. a fixing structure for buckle for spanner, it includes: a wrench body, a ratchet device, a banking stop, a spring with At least one assembly parts, it is characterised in that wherein:

Wrench body has an action bars and a head end, and this head end is up to protrude from action bars, allows the upper of head end and action bars Can be formed with a scalariform portion between surface, centre is provided with a trepanning in the head end, is provided with a spine being controlled by commutation toggle in trepanning Wheel apparatus, scalariform portion side is provided with a slit toward trepanning direction level again, forms conducting with this slit and trepanning, will allow banking stop After moving into slit with card lip, then protruding out inside trepanning, the inclined side position on head end is provided with a combination passing slit Hole, on action bars, the opposite side position relative to this combined hole is then installed with a backing pin；

Banking stop has one first end and one second end, and the first end is provided with a pivot hole, and bottom surface is adjacent at the second end be provided with one Elongated slot, then processes with thin type between a lateral edges of the first end and the second end and is formed with a card lip；

Assembly parts are to be installed in the ratchet device of wrench body, utilize pulling of action bars, drive assembly parts through ratchet device Rotate, be then formed with a circular groove in the periphery, one end of assembly parts；

Said structure, spring is to put the elongated slot at banking stop, allows the card lip of banking stop can utilize the para-position of pivot hole and combined hole, Coordinating placing of a spacer pin, pivot group is in the slit of wrench body, and after pivot group, backing pin can penetrate elongated slot, utilizes backing pin to provide bullet Abutting against of spring one end, and can under normal conditions through the shoring of spring force, stopper banking stop with card lip toward the trepanning of wrench body In protrude out, snap in the circular groove of assembly parts with stretching out of this card lip, assembly parts will can be produced the effect that a buckle is fixing, it is to avoid Assembly parts the most arbitrarily drop out after loading ratchet device.

2. the fixing structure for buckle of spanner as claimed in claim 1, it is characterised in that wherein, the second end of banking stop is relative Do expansion in the first end to arrange.

3. the fixing structure for buckle of spanner as claimed in claim 1 or 2, it is characterised in that wherein, on the second end of banking stop It is provided with on-slip stricture of vagina.

4. the fixing structure for buckle of spanner as claimed in claim 1, it is characterised in that wherein, assembly parts are circumscribed sleeves.

5. the fixing structure for buckle of spanner as claimed in claim 1, it is characterised in that wherein, assembly parts are circumscribed instruments Head.