CN217860993U

CN217860993U - Spanner tail structure of spanner

Info

Publication number: CN217860993U
Application number: CN202221260209.8U
Authority: CN
Inventors: 王少新
Original assignee: Shishi Huayi Hardware Craft Co ltd
Current assignee: Shishi Huayi Hardware Craft Co ltd
Priority date: 2022-05-24
Filing date: 2022-05-24
Publication date: 2022-11-22
Anticipated expiration: 2032-05-24

Abstract

The utility model discloses a spanner tail structure of spanner, including spanner head and extension bar body, the front of spanner head is provided with the pullover body, the right side fixed mounting of spanner head has the spanner pole, the notch that uses with the spanner pole cooperation is seted up to the inner chamber of extension bar body, the left side fixed mounting of extension bar body has the connector, the equal fixed mounting in upper and lower both ends of connector inner chamber has the spring, and the equal fixed mounting of the other end of two springs has the locating piece, and the equal fixed mounting in inner chamber of two locating pieces has the inserted bar, and the slot that uses with the inserted bar cooperation is all seted up at the upper and lower both ends of spanner pole. The utility model discloses wrench head, pullover body, wrench rod, anticorrosive coating, enhancement layer, sandwich layer, connector, lacing block, extension bar body, inserted bar, spring, stopper, notch, slot and locating piece have solved traditional spanner and have been not convenient for adjust handle length, comparatively hard problem when twisting the bolt of some special positions.

Description

Spanner tail structure of spanner

Technical Field

The utility model relates to a spanner technical field specifically is a spanner tail structure of spanner.

Background

The wrench is a common mounting and dismounting tool, is a hand tool for screwing bolts, screws, nuts and other threads to tightly hold openings or trepanning fasteners of the bolts or the nuts by utilizing a lever principle, is called a common wrench, is mainly applied to common life and work, but the length of a handle is not convenient to adjust by the conventional wrench, and is labor-consuming when bolts at special positions are screwed, so that a wrench tail structure of the wrench is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spanner tail structure of spanner possesses the advantage of being convenient for adjust handle length, has solved traditional spanner and has not been convenient for adjust handle length, comparatively hard problem when twisting the bolt of some special positions.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a spanner tail structure of spanner, includes spanner head and extension bar body, the front of spanner head is provided with the pullover body, the right side fixed mounting of spanner head has the spanner pole, the notch that uses with the spanner pole cooperation is seted up to the inner chamber of extension bar body, the left side fixed mounting of extension bar body has the connector, the equal fixed mounting in upper and lower both ends of connector inner chamber has the spring, two the equal fixed mounting in the other end of spring has the locating piece, two the equal fixed mounting in inner chamber of locating piece has the inserted bar, the slot that uses with the inserted bar cooperation is all seted up at the upper and lower both ends of spanner pole, two the equal fixed mounting in one side that the inserted bar was kept away from each other has the stopper, the other end fixed mounting of stopper has the pull block, spanner pole and extension bar body all include anticorrosion coating, enhancement layer and sandwich layer.

Preferably, the corrosion protection coating layer is located on the outer surface of the reinforcing layer, and the reinforcing layer is located on the outer surface of the core layer.

Preferably, the anti-corrosion coating is a zinc coating, and the thickness of the anti-corrosion coating is 20-25 μm.

Preferably, the reinforcing layer is a tungsten-cobalt alloy layer, and the core layer is a stainless steel layer.

Preferably, the left side and the right side of the positioning block are provided with sliders through supports, and the inner cavity of the connector is provided with a sliding groove matched with the sliders for use.

Preferably, the wrench rod and the extension rod body are both cylindrical structures, the sleeve head body is of a circular ring-shaped structure, and an inner hexagonal groove is formed in an inner cavity of the sleeve head body.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses with pullover body cover on the bolt, the accessible rotates extension bar body and twists off the bolt, the pulling arm-tie, the arm-tie drives the stopper and removes, make the inserted bar leave the slot, the inserted bar drives the locating piece and removes, the locating piece is to spring compression, thereby the convenience is dismantled extension bar body, on the contrary, loosen the arm-tie, the spring kick-backs, the spring promotes the locating piece and removes, the locating piece drives the inserted bar and gets back to the normal position, make the inserted bar insert in the slot, thereby can install extension bar body, anti-corrosion coating has increased the corrosion resistance of wrench rod and extension bar body, the holistic intensity of wrench rod and extension bar body has been guaranteed to the sandwich layer, the very big intensity that increases wrench rod and extension bar body of enhancement layer, spout and slider make the locating piece firm, traditional spanner is not convenient for adjusting handle length, comparatively hard problem when twisting the bolt of some special positions.

Drawings

FIG. 1 is a schematic structural view of the present invention;

fig. 2 is a schematic view of the enlarged partial sectional structure of the extension bar body of the present invention;

FIG. 3 is a schematic cross-sectional view of the wrench rod of the present invention;

fig. 4 is a schematic view of the enlarged structure of the cross section of the lever part of the wrench of the present invention.

In the figure: 1. a wrench head; 2. a cuff body; 3. a spanner bar; 301. an anti-corrosion coating; 302. a reinforcing layer; 303. a core layer; 4. a connector; 5. pulling the block; 6. a lengthening bar body; 7. a chute; 8. a rod is inserted; 9. a slider; 10. a spring; 11. a limiting block; 12. a notch; 13. inserting slots; 14. and (7) positioning the blocks.

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. 1-4, a wrench tail structure of a wrench comprises a wrench head 1 and an extension bar body 6, wherein a socket body 2 is arranged on the front side of the wrench head 1, the wrench bar 3 and the extension bar body 6 are both cylindrical structures, the socket body 2 is a circular ring structure, an inner cavity of the socket body 2 is provided with an inner hexagonal groove, a wrench bar 3 is fixedly arranged on the right side of the wrench head 1, a notch 12 matched with the wrench bar 3 is arranged in the inner cavity of the extension bar body 6, a connector 4 is fixedly arranged on the left side of the extension bar body 6, springs 10 are fixedly arranged at the upper end and the lower end of the inner cavity of the connector 4, positioning blocks 14 are fixedly arranged at the other ends of the two springs 10, sliders 9 are arranged on the left side and the right side of the positioning blocks 14 through a support, a chute 7 matched with the sliders 9 is arranged in the inner cavity of the connector 4, and an insertion bar 8 is fixedly arranged in the inner cavities of the two positioning blocks 14, the upper end and the lower end of the wrench rod 3 are respectively provided with a slot 13 which is matched with the inserting rod 8 for use, one side of the two inserting rods 8 which is far away from each other is fixedly provided with a limiting block 11, the other end of the limiting block 11 is fixedly provided with a pulling block 5, the wrench rod 3 and the extension rod body 6 both comprise an anti-corrosion coating 301, a reinforcing layer 302 and a core layer 303, the anti-corrosion coating 301 is positioned on the outer surface of the reinforcing layer 302, the reinforcing layer 302 is positioned on the outer surface of the core layer 303, the anti-corrosion coating 301 is a zinc coating, the thickness of the anti-corrosion coating 301 is 20-25 mu m, the reinforcing layer 302 is a tungsten-cobalt alloy layer, the core layer 303 is a stainless steel layer, the sleeve head body 2 is sleeved on the bolt, the bolt can be unscrewed by rotating the extension rod body 6, the pulling block 5 is pulled, the pulling block 5 drives the limiting block 11 to move, the limiting block 11 drives the inserting rod 8 to move, so that the inserting rod 8 leaves the slot 13, insert rod 8 drives locating piece 14 and removes, locating piece 14 compresses spring 10, thereby the convenience is dismantled extension bar body 6, on the contrary, loosen pull block 5, spring 10 kick-backs, spring 10 promotes locating piece 14 and removes, locating piece 14 drives insert rod 8 and gets back to the normal position, make insert rod 8 insert in the slot 13, thereby can install extension bar body 6, anticorrosion coating 301 has increased the corrosion resistance of spanner pole 3 and extension bar body 6, core layer 303 has guaranteed the holistic intensity of spanner pole 3 and extension bar body 6, the very big increase of enhancement layer 302 spanner pole 3 and extension bar body 6's intensity, spout 7 and slider 9 make locating piece 14 firm, it is not convenient for adjust handle length to have solved traditional spanner, comparatively hard problem when twisting the bolt of some special positions.

During the use, overlap pullover body 2 on the bolt, accessible rotates extension bar body 6 and unscrews the bolt, pulling arm-tie 5, arm-tie 5 drives stopper 11 and removes, stopper 11 drives inserted bar 8 and removes, make inserted bar 8 leave slot 13, inserted bar 8 drives locating piece 14 and removes, locating piece 14 compresses spring 10, thereby conveniently dismantle extension bar body 6, otherwise, loosen extension bar 5, spring 10 kick-backs, spring 10 promotes locating piece 14 and removes, locating piece 14 drives inserted bar 8 and gets back to the normal position, make inserted bar 8 insert in slot 13, thereby can install extension bar body 6, anticorrosion coating 301 has increased the corrosion resistance of spanner pole 3 and extension bar body 6, the holistic intensity of spanner pole 3 and extension bar body 6 has been guaranteed to the sandwich layer 303, the very big intensity that has increased spanner pole 3 and extension bar body 6 of enhancement layer 303, spout 7 and slider 9 make locating piece 14 firm, the traditional spanner has been solved and has been not convenient for adjusting handle length, comparatively arduous problem when twisting the bolt of some special positions.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various 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

1. The utility model provides a spanner tail structure of spanner, includes spanner head (1) and extension bar body (6), its characterized in that: the front of spanner head (1) is provided with pullover body (2), the right side fixed mounting of spanner head (1) has spanner pole (3), notch (12) that uses with spanner pole (3) cooperation are seted up to the inner chamber of extension bar body (6), the left side fixed mounting of extension bar body (6) has connector (4), the equal fixed mounting in upper and lower both ends of connector (4) inner chamber has spring (10), two the equal fixed mounting in the other end of spring (10) has locating piece (14), two the equal fixed mounting in inner chamber of locating piece (14) has inserted bar (8), slot (13) that use with inserted bar (8) cooperation are all seted up at the upper and lower both ends of spanner pole (3), two the equal fixed mounting in one side that inserted bar (8) kept away from each other has stopper (11), the other end fixed mounting of stopper (11) has pull block (5), spanner pole (3) and extension bar body (6) all include anticorrosion coating (301), enhancement layer (302) and sandwich layer (303).

2. The spanner tail structure of claim 1, wherein: the corrosion protection coating (301) is located on the outer surface of the reinforcement layer (302), and the reinforcement layer (302) is located on the outer surface of the core layer (303).

3. The wrench end structure of a wrench as claimed in claim 1, wherein: the anti-corrosion coating (301) is a zinc coating, and the thickness of the anti-corrosion coating (301) is 20-25 μm.

4. The spanner tail structure of claim 1, wherein: the reinforcing layer (302) is a tungsten-cobalt alloy layer, and the core layer (303) is a stainless steel layer.

5. The spanner tail structure of claim 1, wherein: the left side and the right side of the positioning block (14) are provided with sliding blocks (9) through supports, and sliding grooves (7) matched with the sliding blocks (9) for use are formed in the inner cavity of the connector (4).

6. The spanner tail structure of claim 1, wherein: the wrench rod (3) and the extension rod body (6) are both cylindrical structures, the sleeve head body (2) is of a circular ring structure, and an inner hexagonal groove is formed in the inner cavity of the sleeve head body (2).