CN218658738U - Explosion-proof electric ratchet wrench - Google Patents

Abstract

The utility model relates to an electric tool technical field, and disclose explosion-proof electric ratchet spanner, including spanner handle and spanner head, the one end fixedly connected with spanner head of spanner handle, one side of spanner head has set the dismantlement head, and fixed mounting has and is used for driving dismantlement head pivoted actuating mechanism on the spanner head, and one side wall that spanner head was kept away from to the dismantlement head is annular array and installs six fixed blocks. The utility model discloses in, rotate when using and dismantle overhead adjusting ring, make six kicking blocks of adjusting ring inside contact with the one end that corresponds the linkage post adjacent, lead to six linkage posts to drive six extrusion pieces under the influence of kicking block and remove towards one side that is close to each other, linkage post can drive the extrusion piece and reset again under the effect of extension spring elasticity when kicking block and linkage post contactless simultaneously, so just reached when using that this equipment can be suitable for not unidimensional screw, and possesses the controllability, and easy operation practicality is high, reduces workman's work burden.

Description

Explosion-proof electric ratchet wrench

Technical Field

The utility model relates to an electric tool technical field specifically is explosion-proof electric ratchet spanner.

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. Wrenches are typically made of structural steel of carbon or alloy material.

At present, the junction that current electronic ratchet spanner is used for nested screw (nut) often all is not adjustable, consequently leads to every kind of spanner to be used for the pulling of corresponding size screw only, and this just leads to the workman to take the spanner of multiple specification at the during operation, is unfavorable for saving staff's work burden, and it is convenient inadequately to use. To this end, we propose explosion-proof electric ratchet wrenches.

SUMMERY OF THE UTILITY MODEL

Solves the technical problem

To the deficiency of the prior art, the utility model provides an explosion-proof electric ratchet wrench has solved foretell problem.

Technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: explosion-proof electric ratchet spanner, including spanner handle and spanner head, the one end fixedly connected with spanner head of spanner handle, one side of spanner head has set the dismantlement head, overhead fixed mounting of spanner has and is used for driving dismantlement head pivoted actuating mechanism, one side wall that the spanner head was kept away from to the dismantlement head is annular array and installs six fixed blocks, six equal swing joint has linkage post, six on the fixed block the equal fixedly connected with extrusion piece of one end that the linkage post is close to each other, six the equal activity of one end that the linkage post is close to each other has cup jointed the extension spring, the both ends of extension spring respectively with the fixed block that corresponds and the adjacent one side wall fixed connection of extrusion piece, be provided with the adjustment mechanism who is used for adjusting four extrusion piece positions on the dismantlement head.

Preferably, adjustment mechanism includes adjusting ring and kicking block, dismantle overhead the mounting groove of having seted up, it has the adjusting ring, six to dismantle the head through mounting groove activity joint one side that the linkage post kept away from each other all contacts with the internal face of adjusting ring, the inside of adjusting ring corresponds six kicking blocks of position fixedly connected with of six linkage posts, six the kicking block is the block that the cross section is convex.

Preferably, the six ends of the linkage columns, which are far away from each other, are movably connected with rollers through rotating shafts.

Preferably, dismantle overhead fixed mounting have spacing fixture block, spacing fixture block is for having elastic piece, spacing fixture block is located the outside of adjusting ring, just spacing fixture block is close to the one end cross section of adjusting ring and is triangle-shaped, a plurality of spacing draw-in groove has been seted up to the outer wall of adjusting ring, the inside shape size of spacing draw-in groove and the shape size looks adaptation of spacing fixture block, the one end activity joint that spacing fixture block is close to the adjusting ring is in the inside that corresponds spacing draw-in groove.

Preferably, the six side wall surfaces of the extrusion blocks, which are close to each other, are fixedly provided with anti-skid gaskets, and the roughness of the side wall surfaces of the six anti-skid gaskets, which are close to each other, is three hundred meshes.

Preferably, the wrench grip is fixedly provided with an electric control switch for controlling the opening and closing of the driving mechanism.

Advantageous effects

Compared with the prior art, the utility model provides an explosion-proof electric ratchet spanner possesses following

Has the advantages that:

(1) The utility model discloses a set up the extrusion piece, including the ejector pad, the ejector pad is including the ejector pad, the overhead adjusting ring of dismantlement rotation when using, make six kicking blocks of adjusting ring inside contact with the one end that corresponds the linkage post is adjacent, lead to six linkage posts to drive six extrusion blocks and remove towards one side that is close to each other under the influence of kicking block, the linkage post can drive the extrusion block and reset again under the effect of extension spring elasticity when kicking block and linkage post contactless simultaneously, so just reached when using that this equipment can be suitable for not unidimensional screw, and the adjustable nature is possessed, easy operation practicality is high, reduce workman's work burden.

(2) The adjusting ring after adjustment can be limited and fixed by the limiting clamping block arranged on the dismounting head, so that the problem that the working process is influenced due to the fact that the position of the adjusting ring deviates in the using process is avoided.

(3) Through the anti-skidding gasket of a lateral wall face installation that is close to each other at six extrusion pieces, can play the guard action to the screw side on the one hand, avoid dismantling or install the damage of scraping that produces on the way, on the other hand can increase the frictional resistance between screw and the extrusion piece to improve the fixed effect of this equipment to the screw.

Drawings

Fig. 1 is a top view of the present invention;

fig. 2 is a bottom view of the present invention;

fig. 3 is a side view of the present invention;

FIG. 4 is a side sectional view of the utility model at the disassembling head;

fig. 5 is an enlarged view of a portion a in fig. 1 according to the present invention.

In the figure: 1. a wrench grip; 2. a wrench head; 3. disassembling the head; 4. a drive mechanism; 5. an electric control switch; 6. an adjustment ring; 7. mounting grooves; 8. a fixed block; 9. a linkage column; 10. extruding the block; 11. a tension spring; 12. a top block; 13. an anti-slip gasket; 14. a roller wheel; 15. a limiting clamping block; 16. limiting clamping grooves.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-5, an explosion-proof electric ratchet wrench comprises a wrench handle 1 and a wrench head 2, wherein one end of the wrench handle 1 is fixedly connected with the wrench head 2, a detaching head 3 is arranged on one side of the wrench head 2, a driving mechanism 4 for driving the detaching head 3 to rotate is fixedly installed on the wrench head 2, six fixing blocks 8 are installed on one side wall surface of the detaching head 3 away from the wrench head 2 in an annular array, linkage columns 9 are movably connected to the six fixing blocks 8, two ends of each linkage column 9 respectively extend to two sides of each fixing block 8, one ends of the six linkage columns 9 close to each other are fixedly connected with extrusion blocks 10, the detaching head 3 can be driven by the driving mechanism 4 to rotate when in use, then six extrusion blocks 10 on the detaching head 3 are matched to achieve the effect of detaching or installing screws, one ends of the six linkage columns 9 close to each other are movably sleeved with tension springs 11, two ends of each tension spring 11 are respectively fixedly connected with one side wall surface of the corresponding fixing block 8 and the extrusion block 10, and an adjusting mechanism for adjusting positions of the four extrusion blocks 10 is arranged on the detaching head 3.

Adjustment mechanism includes adjusting ring 6 and kicking block 12, has seted up mounting groove 7 on the dismantlement head 3, and dismantlement head 3 has adjusting ring 6 through mounting groove 7 activity joint, and six fixed blocks 8 all are located adjusting ring 6's inside, and one side that six linkage posts 9 kept away from each other all contacts with adjusting ring 6's internal face, and adjusting ring 6's inside corresponds six kicking blocks 12 of the position fixedly connected with of six linkage posts 9, and six kicking blocks 12 are the cross section and are convex piece.

The one end that six linkage posts 9 kept away from each other all has running roller 14 through pivot swing joint, can reduce the frictional resistance of linkage post 9 and adjusting ring 6 internal face and kicking block 12 outer wall face through running roller 14 to reach the effect of facilitating the use.

Fixed mounting has spacing fixture block 15 on the dismantlement head 3, spacing fixture block 15 is for having elastic piece, spacing fixture block 15 is located the outside of adjusting ring 6, and spacing fixture block 15 is close to the one end cross section of adjusting ring 6 and is triangle-shaped, a plurality of spacing draw-in groove 16 has been seted up to the outer wall of adjusting ring 6, the inside shape size of spacing draw-in groove 16 and the shape size looks adaptation of spacing fixture block 15, spacing fixture block 15 is close to the inside of the one end activity joint of adjusting ring 6 corresponding spacing draw-in groove 16, spacing fixture block 15 itself possesses elasticity, consequently, when the staff manually stirs spanner handle 1 and rotates, spacing fixture block 15 does not cause the influence to it through deformation.

The anti-skid gaskets 13 are fixedly mounted on the side wall surfaces of the six extrusion blocks 10 close to each other, and the roughness of the side wall surfaces of the six anti-skid gaskets 13 close to each other is three hundred meshes.

The wrench grip 1 is fixedly provided with an electric control switch 5 for controlling the opening and closing of the driving mechanism 4.

Principle of operation

Rotate adjusting ring 6 on the dismantlement head 3 when using, make six kicking blocks 12 inside the adjusting ring 6 contact with the one end that corresponds linkage post 9 is adjacent, lead to six linkage posts 9 to drive six extrusion blocks 10 and move towards one side that is close to each other under the influence of kicking block 12, linkage post 9 can drive extrusion block 10 and reset again under the effect of extension spring 11 elasticity when kicking block 12 and linkage post 9 contactless simultaneously, so just reached when using the screw that this equipment can be suitable for not unidimensional, possess the controllability, easy operation practicality is high, reduce workman's work burden.

The limiting fixture block 15 mounted on the dismounting head 3 can play a limiting and fixing effect on the adjusted adjusting ring 6, so that the problem that the working process is affected due to the fact that the position of the adjusting ring 6 deviates in the using process is avoided.

Through the anti-skidding gasket 13 of installing at the mutual lateral wall face that is close to of six extrusion pieces 10, can play the guard action to the screw side on the one hand, avoid dismantling or install the damage of scraping that produces on the way, on the other hand can increase the frictional resistance between screw and the extrusion piece 10 to improve the fixed effect of this equipment to the screw.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims (6)

1. Explosion-proof electric ratchet spanner, including spanner handle (1) and wrench end (2), the one end fixedly connected with wrench end (2) of spanner handle (1), one side of wrench end (2) has set dismantlement head (3), fixed mounting is used for the drive to dismantle first (3) pivoted actuating mechanism (4), its characterized in that on wrench end (2): dismantle one side wall that first (3) kept away from wrench end (2) and be annular array and install six fixed blocks (8), six equal swing joint has linkage post (9), six on fixed block (8) the equal fixedly connected with extrusion piece (10) of one end that linkage post (9) are close to each other, six the equal activity of one end that linkage post (9) are close to each other has cup jointed extension spring (11), one side wall fixed connection that the both ends of extension spring (11) are adjacent with fixed block (8) and extrusion piece (10) that correspond respectively, be provided with the adjustment mechanism who is used for adjusting four extrusion piece (10) positions on dismantling head (3).

2. The explosion-proof electric ratchet wrench of claim 1, wherein: adjustment mechanism includes adjusting ring (6) and kicking block (12), mounting groove (7) have been seted up on dismantling head (3), it has adjusting ring (6), six to dismantle head (3) through mounting groove (7) activity joint fixed block (8) all are located the inside of adjusting ring (6), six one side that linkage post (9) kept away from each other all contacts with the internal face of adjusting ring (6), the inside of adjusting ring (6) corresponds six kicking blocks (12) of position fixedly connected with of six linkage posts (9), six kicking block (12) are the piece that the cross section is convex.

3. The explosion-proof electric ratchet wrench of claim 1, wherein: and one ends of the six linkage columns (9) which are far away from each other are movably connected with rollers (14) through rotating shafts.

4. The explosion-proof electric ratchet wrench of claim 1, wherein: dismantle on head (3) fixed mounting have spacing fixture block (15), spacing fixture block (15) are for having elastic piece, spacing fixture block (15) are located the outside of adjusting ring (6), just one end cross section that spacing fixture block (15) are close to adjusting ring (6) is triangle-shaped, a plurality of spacing draw-in groove (16) have been seted up to the outer wall of adjusting ring (6), the inside shape size of spacing draw-in groove (16) and the shape size looks adaptation of spacing fixture block (15), the inside of corresponding spacing draw-in groove (16) is being connected to the one end activity joint that spacing fixture block (15) are close to adjusting ring (6).

5. The explosion proof electric ratchet wrench of claim 1, wherein: six equal fixed mounting in the lateral wall that extrusion piece (10) are close to each other has anti-skidding gasket (13), six the lateral wall roughness that anti-skidding gasket (13) are close to each other is three hundred meshes.

6. The explosion proof electric ratchet wrench of claim 1, wherein: and the wrench grip (1) is fixedly provided with an electric control switch (5) for controlling the opening and closing of the driving mechanism (4).

Images