CN220074558U - Pneumatic wrench with wrench head convenient to replace - Google Patents

Abstract

The utility model relates to the technical field of pneumatic wrenches, and discloses a pneumatic wrench with a wrench head convenient to replace. Including pneumatic wrench, pneumatic wrench's output fixedly connected with connects the prism post, the cover is equipped with the spanner head on the cylinder of connecting the prism post, the prismatic draw-in groove has been seted up to the inner wall of spanner head, the inside of spanner head is seted up flutedly, the inner wall fixedly connected with inserted bar that the spanner head is located the recess, the slot has been seted up to the inside of connecting the prism post, the inside at the slot is pegged graft to the pole wall of inserted bar. The torsion spring provided by the utility model can enable the metal clamping plate to be clamped and arranged in the fan-shaped groove, so that the connection stability of the spanner head on the connecting prismatic column body can be further improved, and the stability of the metal clamping plate in the fan-shaped groove can be ensured through the adsorption arrangement of the magnetic plate and the metal clamping plate.

Description

Pneumatic wrench with wrench head convenient to replace

Technical Field

The utility model relates to the technical field of pneumatic wrenches, in particular to a pneumatic wrench with a wrench head convenient to replace.

Background

The pneumatic wrench is a wrench using compressed air as a power source, and is suitable for fastening and detaching various bolts and nuts, the working principle of the pneumatic wrench is that compressed air is fed into the wrench through an air inlet, and the wrench is driven to rotate, so that the purpose of screwing or unscrewing the bolts is achieved, and the use of the pneumatic wrench needs to be matched with air source equipment, such as a compressor, a pneumatic pipeline and the like.

In the prior art, the bolts of different models need to be installed and disassembled in the use process of the pneumatic wrench, so that the wrench heads need to be replaced, the use effect of the pneumatic wrench is guaranteed in order to ensure the stability of wrench head connection, and the wrench heads need to be connected more tightly, so that the replacement is inconvenient. Therefore, the utility model designs the pneumatic wrench with the wrench head convenient to replace.

Disclosure of Invention

The utility model aims to solve the problem that the pneumatic wrench is inconvenient to replace because the wrench heads are required to be connected tightly in order to ensure the stability of the wrench head connection and the use effect of the pneumatic wrench in the prior art.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a conveniently change pneumatic wrench of spanner head, includes pneumatic wrench, pneumatic wrench's output fixedly connected with connects the prism post, the cover is equipped with the spanner head on the cylinder of connecting the prism post, the prismatic draw-in groove has been seted up to the inner wall of spanner head, the inside of spanner head is seted up flutedly, the inner wall fixedly connected with inserted bar that the spanner head is located the recess, the slot has been seted up to the inside of connecting the prism post, the interior at the slot is pegged graft to the pole wall of inserted bar.

Preferably, the inside of spanner head is seted up flutedly, the inside fixedly connected with dead lever of recess, movable sleeve is equipped with metal cardboard and torsional spring on the wall of dead lever, the one end fixed connection of torsional spring is in the inside of metal cardboard, the other end fixed connection of torsional spring is in the inside of spanner head, set up fan-shaped groove on the lateral wall of connection prismatic post, metal cardboard joint sets up the inside in fan-shaped groove.

Preferably, the connecting prismatic column is positioned on the inner wall of the fan-shaped groove and fixedly connected with a magnetic plate, and the magnetic plate and the metal clamping plate are mutually adsorbed.

Preferably, the top fixedly connected with stay cord of metal cardboard, set up annular groove on the lateral wall of spanner head, it is equipped with the pull ring to slide on the lateral wall of annular groove, the one end fixed connection that the stay cord deviates from the metal cardboard is on the lateral wall of pull ring.

Preferably, the wrench head is located the inner wall of annular groove and has seted up the guide way, the inner wall slip in guide way is equipped with the guide block, the guide block extends to the outside of guide way and fixed connection at the inner wall of pull ring.

Preferably, the inner wall of the spanner head is provided with a cavity, the inner wall of the spanner head positioned in the cavity is rotationally connected with a guide wheel, and the stay cord is tightly pressed on the side wall of the guide wheel.

Compared with the prior art, the pneumatic wrench convenient for replacing the wrench head has the following beneficial effects:

1. this conveniently change pneumatic wrench of spanner head can make metal cardboard joint setting in the inside of fan-shaped groove through the torsional spring, can further improve the spanner head and connect the stability of prismatic post body on connecting, adsorb the setting through magnetic plate and metal cardboard, can guarantee the stability of metal cardboard in fan-shaped inslot portion.

2. This conveniently change pneumatic wrench of spanner head can stimulate the stay cord through pulling the pull ring and remove, makes the inside of metal cardboard shrink to the recess, is convenient for dismantle the processing to the spanner head, and the inner wall that follows the guide way through the guide block slides, can guarantee the stability that the pull ring removed.

Drawings

FIG. 1 is a schematic diagram of a pneumatic wrench with a wrench head convenient to replace according to the present utility model;

fig. 2 is an enlarged schematic view of the structure of the portion a in fig. 1.

In the figure: the pneumatic wrench comprises a pneumatic wrench body 1, a prismatic column 2, a wrench head 3, a prismatic clamping groove 4, a plug rod 5, a fixed rod 6, a metal clamping plate 7, a torsion spring 8, a magnetic plate 9, a pull rope 10, a pull ring 11, a guide block 12 and a guide wheel 13.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

In the description of the present utility model, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present utility model and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.

Referring to fig. 1-2, a pneumatic wrench convenient for replacing wrench heads comprises a pneumatic wrench 1, wherein the output end of the pneumatic wrench 1 is fixedly connected with a connecting prismatic column 2, a wrench head 3 is sleeved on the column body of the connecting prismatic column 2, a prismatic clamping groove 4 is formed in the inner wall of the wrench head 3, a groove is formed in the inner wall of the wrench head 3, an inserting rod 5 is fixedly connected to the inner wall of the groove, a slot is formed in the inner portion of the connecting prismatic column 2, and the rod wall of the inserting rod 5 is inserted and arranged in the slot.

The inside of spanner head 3 is seted up flutedly, the inside fixedly connected with dead lever 6 of recess, movable sleeve is equipped with metal cardboard 7 and torsional spring 8 on the wall of dead lever 6, the one end fixed connection of torsional spring 8 is in the inside of metal cardboard 7, the other end fixed connection of torsional spring 8 is in the inside of spanner head 3, the fan-shaped groove has been seted up on the lateral wall of connection prism post 2, metal cardboard 7 joint sets up the inside in the fan-shaped groove, the inner wall fixedly connected with magnetic plate 9 that connection prism post 2 is located the fan-shaped groove, magnetic plate 9 and metal cardboard 7 adsorb each other and set up.

During the use, establish the spanner head 3 cover on the cylinder of connecting prism post 2, peg graft through inserted bar 5 and set up the inside at the slot, can guarantee the stability of spanner head 3 on connecting prism post 2 cylinder, can make the inside of metal cardboard 7 joint setting at the fan-shaped groove through torsional spring 8, can further improve the stability that spanner head 3 is connected on connecting prism post 2 cylinder, adsorb the setting through magnetic plate 9 and metal cardboard 7, can guarantee the stability of metal cardboard 7 at the fan-shaped inslot portion.

As shown in fig. 1-2, a pull rope 10 is fixedly connected to the top end of the metal clamping plate 7, an annular groove is formed in the side wall of the wrench head 3, a pull ring 11 is slidably arranged on the side wall of the annular groove, one end of the pull rope 10, which is away from the metal clamping plate 7, is fixedly connected to the side wall of the pull ring 11, a guide groove is formed in the inner wall of the annular groove of the wrench head 3, a guide block 12 is slidably arranged on the inner wall of the guide groove, the guide block 12 extends to the outer side of the guide groove and is fixedly connected to the inner wall of the pull ring 11, a cavity is formed in the inner wall of the wrench head 3, a guide wheel 13 is rotatably connected to the inner wall of the cavity, and the pull rope 10 is tightly pressed on the side wall of the guide wheel 13.

The pull rope 10 can be pulled to move by pulling the pull ring 11, so that the metal clamping plate 7 is contracted to the inside of the groove, the spanner head 3 is convenient to disassemble, the guide block 12 slides along the inner wall of the guide groove, the moving stability of the pull ring 11 can be ensured, and the guide wheel 13 can ensure the stable moving of the pull rope 10.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a conveniently change pneumatic wrench of spanner head, includes pneumatic wrench (1), its characterized in that, the output fixedly connected with of pneumatic wrench (1) connects prismatic post (2), the cover is equipped with spanner head (3) on the cylinder of connecting prismatic post (2), prismatic draw-in groove (4) are seted up to the inner wall of spanner head (3), the inside of spanner head (3) is seted up flutedly, inner wall fixedly connected with inserted bar (5) that spanner head (3) are located the recess, the slot has been seted up to the inside of connecting prismatic post (2), the inside at the slot is pegged graft to the pole wall of inserted bar (5).

2. The pneumatic wrench convenient to replace the wrench head according to claim 1, wherein the wrench head (3) is internally provided with a groove, a fixing rod (6) is fixedly connected to the groove, a metal clamping plate (7) and a torsion spring (8) are movably sleeved on the rod wall of the fixing rod (6), one end of the torsion spring (8) is fixedly connected to the metal clamping plate (7) and the other end of the torsion spring (8) is fixedly connected to the wrench head (3), a fan-shaped groove is formed in the side wall of the connecting prismatic column (2), and the metal clamping plate (7) is clamped in the fan-shaped groove.

3. The pneumatic wrench convenient for wrench head replacement according to claim 1, wherein the connecting prismatic column (2) is fixedly connected with a magnetic plate (9) on the inner wall of the fan-shaped groove, and the magnetic plate (9) and the metal clamping plate (7) are mutually adsorbed.

4. The pneumatic wrench convenient to replace the wrench head according to claim 2, wherein the top end of the metal clamping plate (7) is fixedly connected with a pull rope (10), an annular groove is formed in the side wall of the wrench head (3), a pull ring (11) is slidably arranged on the side wall of the annular groove, and one end, deviating from the metal clamping plate (7), of the pull rope (10) is fixedly connected to the side wall of the pull ring (11).

5. The pneumatic wrench convenient to replace the wrench head according to claim 1, wherein the wrench head (3) is provided with a guide groove on the inner wall of the annular groove, a guide block (12) is slidably arranged on the inner wall of the guide groove, and the guide block (12) extends to the outer side of the guide groove and is fixedly connected to the inner wall of the pull ring (11).

6. The pneumatic wrench convenient to replace the wrench head according to claim 4, wherein the inner wall of the wrench head (3) is provided with a cavity, the inner wall of the wrench head (3) located in the cavity is rotationally connected with a guide wheel (13), and the pull rope (10) is tightly pressed on the side wall of the guide wheel (13).