CN219582711U - Open-end wrench - Google Patents

Abstract

The utility model discloses an open-ended wrench which comprises a support column, wherein a knob is arranged at the bottom of the support column, a threaded rod is fixedly connected to the axis of the top of the knob, the top of the threaded rod penetrates through an inner cavity of the support column and is in threaded connection with a wrench body, and the top of the wrench body penetrates through the top of the support column. According to the utility model, through the matched use of the support column, the knob, the threaded rod, the wrench body, the limiting shell, the annular push block, the movable groove, the slide bar, the spring, the sliding sleeve, the push rod, the limiting groove, the base layer, the first corrosion-resistant layer, the second corrosion-resistant layer and the reinforcing layer, the utility model has the advantages of convenient adjustment and corrosion resistance, solves the problems that the existing open wrench is mostly fixed in use length, inconvenient to adjust and poor in corrosion resistance, and can generate corrosion and rust in a humid environment, thereby being incapable of meeting the actual use requirements.

Description

Open-end wrench

Technical Field

The utility model relates to the technical field of wrenches, in particular to an open-ended wrench.

Background

The wrench is a common installation and disassembly tool, is a manual tool for screwing a bolt, a screw, a nut and other threads to tightly clamp an opening or a trepanning of the bolt or the nut by utilizing a lever principle, is usually made of carbon or alloy structural steel, is usually provided with an opening or a trepanning for clamping the bolt or the nut at one end or two ends of a handle part, and can be screwed by applying external force on the handle part along the rotation direction of the screw when in use, however, the existing open-ended wrench is mostly fixed in use length, inconvenient to adjust, has poor corrosion resistance, can be corroded and rusted when in use in a humid environment, and cannot meet the actual use requirements.

Disclosure of Invention

The utility model aims to provide an open-end wrench which has the advantages of convenience in adjustment and corrosion resistance, and solves the problems that the existing open-end wrench is mostly fixed in use length, inconvenient in adjustment, poor in corrosion resistance and capable of being corroded and rusted in use in a humid environment, so that the actual use requirement cannot be met.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides an open spanner, includes the pillar, the bottom of pillar is provided with the knob, the axle center department fixedly connected with threaded rod at knob top, the top of threaded rod runs through to the inner chamber and the threaded connection of pillar has the spanner body, the top of spanner body runs through to the top of pillar, the top threaded connection of pillar surface has spacing shell, the annular ejector pad of top fixedly connected with of spacing shell inner chamber, the movable groove has all been seted up to the both sides at pillar top, fixedly connected with slide bar between the both sides of movable groove inner chamber, the both sides on slide bar surface overlap respectively and are equipped with spring and sliding sleeve, the top fixedly connected with push rod of sliding sleeve, the equal fixedly connected with gag lever post in one side that the push rod is relative, the spacing groove that the cooperation gag lever post used has all been seted up to the both sides of spanner body.

Preferably, the wrench body comprises a base layer, a first corrosion-resistant layer is fixedly connected to the top of the base layer, a second corrosion-resistant layer is fixedly connected to the top of the first corrosion-resistant layer, and a reinforcing layer is fixedly connected to the top of the second corrosion-resistant layer.

Preferably, the base layer is made of chromium-vanadium steel, and the first corrosion-resistant layer is made of corrosion-resistant alloy.

Preferably, the second corrosion-resistant layer adopts a manganese copper passivation rust-proof coating, and the reinforcing layer adopts a silicon carbide ceramic coating.

Preferably, the bottom of spanner body both sides all fixedly connected with slider, the spout that cooperation slider used has all been seted up to the both sides of pillar inner chamber.

Preferably, the surface of threaded rod passes through bearing and pillar swing joint, the opening that cooperation spanner body used has been seted up at the top of pillar.

Compared with the prior art, the utility model has the following beneficial effects:

1. according to the utility model, through the matched use of the support column, the knob, the threaded rod, the wrench body, the limiting shell, the annular push block, the movable groove, the slide bar, the spring, the sliding sleeve, the push rod, the limiting groove, the base layer, the first corrosion-resistant layer, the second corrosion-resistant layer and the reinforcing layer, the utility model has the advantages of convenient adjustment and corrosion resistance, solves the problems that the existing open wrench is mostly fixed in use length, inconvenient to adjust and poor in corrosion resistance, and can generate corrosion and rust in a humid environment, thereby being incapable of meeting the actual use requirements.

2. According to the utility model, the first corrosion-resistant layer is made of corrosion-resistant alloy, so that the corrosion resistance of the wrench body can be improved, different installation environments can be met, the second corrosion-resistant layer is made of manganese-copper passivation rust-proof coating, the corrosion resistance of the wrench body can be further improved, the reinforcing layer is made of silicon carbide ceramic coating, the wear resistance of the wrench body can be improved, the service life of the wrench body is prolonged, and the movement of the wrench body can be limited by arranging the sliding block and the sliding groove.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is an enlarged view of A in FIG. 1, which is a structural view of the present utility model;

fig. 3 is a schematic diagram of the material composition of the wrench body of the present utility model.

In the figure: 1. a support post; 2. a knob; 3. a threaded rod; 4. a wrench body; 5. a limit shell; 6. an annular push block; 7. a movable groove; 8. a slide bar; 9. a spring; 10. a sliding sleeve; 11. a push rod; 12. a limit rod; 13. a limit groove; 401. a base layer; 402. a first corrosion resistant layer; 403. a second corrosion resistant layer; 404. a reinforcing layer.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Referring to fig. 1-3, an open-end wrench comprises a support column 1, a knob 2 is arranged at the bottom of the support column 1, a threaded rod 3 is fixedly connected at the axis of the top of the knob 2, the top of the threaded rod 3 penetrates through the inner cavity of the support column 1 and is in threaded connection with a wrench body 4, the top of the wrench body 4 penetrates through the top of the support column 1, the top of the surface of the support column 1 is in threaded connection with a limit shell 5, the top of the inner cavity of the limit shell 5 is fixedly connected with an annular push block 6, movable grooves 7 are respectively arranged on two sides of the top of the support column 1, a slide bar 8 is fixedly connected between two sides of the inner cavity of the movable grooves 7, springs 9 and sliding sleeves 10 are respectively sleeved on two sides of the surface of the slide bar 8, a push rod 11 is fixedly connected with a limit rod 12 on one side opposite to the push rod 11, limit grooves 13 matched with the limit rod 12 are respectively arranged on two sides of the wrench body 4, the wrench body 4 comprises a base 401, the top of the base layer 401 is fixedly connected with a first corrosion-resistant layer 402, the corrosion resistance of the wrench body 4 can be improved by arranging the first corrosion-resistant layer 402 to be made of corrosion-resistant alloy materials, so that the wrench body can cope with different installation environments, the top of the first corrosion-resistant layer 402 is fixedly connected with a second corrosion-resistant layer 403, the corrosion resistance of the wrench body 4 can be further improved by arranging the second corrosion-resistant layer 403 to be made of manganese-copper passivation rust-proof coating, the top of the second corrosion-resistant layer 403 is fixedly connected with a reinforcing layer 404, the wear resistance of the wrench body 4 can be improved by arranging the reinforcing layer 404 to be made of silicon carbide ceramic coating, the service life of the wrench body is prolonged, the base layer 401 is made of chromium-vanadium steel materials, the first corrosion-resistant layer 402 is made of corrosion-resistant alloy materials, the second corrosion-resistant layer 403 is made of manganese-copper passivation rust-proof coating, the reinforcing layer 404 is made of silicon carbide ceramic coating, the bottom of spanner body 4 both sides is all fixedly connected with slider, the spout that cooperation slider used has all been seted up to the both sides of pillar 1 inner chamber, through setting up slider and spout, can carry out spacingly to the removal of spanner body 4, the surface of threaded rod 3 passes through bearing and pillar 1 swing joint, the opening that cooperation spanner body 4 used has been seted up at the top of pillar 1, through pillar 1, knob 2, threaded rod 3, spanner body 4, spacing shell 5, annular ejector pad 6, movable groove 7, slide bar 8, spring 9, sliding sleeve 10, push rod 11, gag lever post 12, spacing groove 13, basic unit 401, first corrosion-resistant layer 402, the cooperation of second corrosion-resistant layer 403 and enhancement layer 404 is used, possess convenient regulation and corrosion-resistant advantage, the current open-ended spanner of having solved is at the process of using, its length is fixed mostly, inconvenient regulation, corrosion resisting property is relatively poor moreover, can appear the rusty condition in humid environment use, thereby can not satisfy the problem of in-service demand.

During the use, the manual rotatory knob 2 of operating personnel, knob 2 cooperation threaded rod 3 drives spanner body 4 and removes, adjust the length of use, adjust to appointed length back, rotatory spacing shell 5, through the back-screw thread that pillar 1 surface set up, drive annular ejector pad 6 and remove, annular ejector pad 6 removes and promote push rod 11 and remove, annular ejector pad 6 cooperates sliding sleeve 10 extrudees spring 9, drive gag lever post 12 and insert spacing groove 13 when push rod 11 removes, use length to spanner body 4 is fixed, can accomplish the regulation to spanner body 4 use length, simultaneously, first corrosion-resistant layer 402 adopts the corrosion-resistant alloy material, can improve the corrosion resistance of spanner body 4, make it can deal with different mounting environment, second corrosion-resistant layer 403 adopts the manganese copper passivation rust-resistant coating, can further improve the corrosion resistance of spanner body 4, enhancement layer 404 adopts the carborundum ceramic coating, can improve the wear resistance of spanner body 4, prolong its life.

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

Claims (6)

1. An open-ended wrench comprising a post (1), characterized in that: the bottom of pillar (1) is provided with knob (2), the axle center department fixedly connected with threaded rod (3) at knob (2) top, the top of threaded rod (3) is run through to the inner chamber and the threaded connection of pillar (1) spanner body (4), the top of spanner body (4) is run through to the top of pillar (1), the top threaded connection on pillar (1) surface has spacing shell (5), the top fixedly connected with annular ejector pad (6) at spacing shell (5) inner chamber, movable groove (7) have all been seted up to the both sides at pillar (1) top, fixedly connected with slide bar (8) between the both sides of movable groove (7) inner chamber, the both sides on slide bar (8) surface are overlapped respectively and are equipped with spring (9) and sliding sleeve (10), the top fixedly connected with push rod (11) of sliding sleeve (10), the equal fixedly connected with gag lever (12) in one side that push rod (11) is relative, spacing groove (13) that cooperation gag lever (12) used have all been seted up to the both sides of spanner body (4).

2. An open ended wrench as claimed in claim 1, wherein: the wrench body (4) comprises a base layer (401), a first corrosion-resistant layer (402) is fixedly connected to the top of the base layer (401), a second corrosion-resistant layer (403) is fixedly connected to the top of the first corrosion-resistant layer (402), and a reinforcing layer (404) is fixedly connected to the top of the second corrosion-resistant layer (403).

3. An open ended wrench as claimed in claim 2, wherein: the base layer (401) is made of chromium vanadium steel, and the first corrosion-resistant layer (402) is made of corrosion-resistant alloy.

4. An open ended wrench as claimed in claim 2, wherein: the second corrosion-resistant layer (403) adopts a manganese copper passivation rust-proof coating, and the reinforcing layer (404) adopts a silicon carbide ceramic coating.

5. An open ended wrench as claimed in claim 1, wherein: the bottom of spanner body (4) both sides all fixedly connected with slider, the spout that cooperation slider used has all been seted up to the both sides of pillar (1) inner chamber.

6. An open ended wrench as claimed in claim 1, wherein: the surface of threaded rod (3) passes through bearing and pillar (1) swing joint, the opening that cooperation spanner body (4) used has been seted up at the top of pillar (1).