CN211466151U

CN211466151U - Socket spanner

Info

Publication number: CN211466151U
Application number: CN201922285363.5U
Authority: CN
Inventors: 王龙; 李小强; 曾浩; 曾凡乐
Original assignee: Beisit Electric Tech Hangzhou Co ltd
Current assignee: Beisit Electric Tech Hangzhou Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-09-11
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a socket wrench, which comprises a socket and a framework fixed in a wrench hole of the socket; the skeleton is fixed in the offside of telescopic entry end, and the skeleton still is equipped with along telescopic axis direction adjustable length, for laminating in the spacing portion of first work piece up end of waiting to twist towards one side of entry end. When the socket wrench is used, when the upper end face of a first workpiece to be twisted abuts against the limiting part, the first workpiece to be twisted has the maximum stretching amount, and the maximum stretching amount corresponds to the locking height of the wrench hole. The adjustment of the locking height of the wrench hole is realized by adjusting the length of the limiting part in the axial direction of the wrench hole, so that the first workpiece to be twisted can be sleeved by the socket wrench with different locking heights, and the socket is convenient to fix the stress position of the socket relative to the first workpiece to be twisted. When the locking height of the socket wrench is smaller than the thickness of a first workpiece to be twisted, a certain gap is formed between the socket and the surface of a product provided with the first workpiece to be twisted, so that the surface of the product plate is prevented from being scratched due to the contact between the socket and the surface of the product.

Description

Socket spanner

Technical Field

The utility model relates to a spanner field especially relates to a box spanner.

Background

The socket wrench in the current market is fixed in height, the height of a workpiece to be screwed is smaller than the locking height of the socket wrench, the workpiece to be screwed cannot fix the stress position of the socket wrench, and the socket wrench slides relative to the workpiece to be screwed, so that the operation efficiency and the operation quality are influenced; and secondly, when the workpiece to be screwed is locked on the surface of the product, the socket wrench is easy to rub the surface of the product, so that the surface of the product is damaged.

In summary, how to fix the position of the socket wrench relative to the workpiece to be screwed and prevent the socket wrench from damaging the product becomes a problem to be solved urgently by those skilled in the art.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a box spanner can adjust box spanner's locking height, and fixed box spanner is for waiting to twist the atress position of work piece, and then avoids the surface contact of box spanner and product and causes the damage on product surface.

In order to achieve the above object, the present invention provides a socket wrench, comprising a socket and a frame fixed in a wrench hole of the socket; the skeleton is fixed in the offside of telescopic entry end, the skeleton orientation one side of entry end still is equipped with the edge telescopic axis direction adjustable length, be used for laminating in the first spacing portion that waits to twist the work piece up end.

Preferably, the framework is provided with a threaded hole; the limiting part comprises a screw rod inserted into the threaded hole and a limiting cap fixed at one end, far away from the framework, of the screw rod.

Preferably, the end face of the limiting cap is provided with a recess for a fastening tool to insert for screwing.

Preferably, the limiting part is a nylon limiting screw.

Preferably, the framework comprises a framework main body with a connecting hole in the middle and a plurality of framework bosses surrounding the framework main body; and all framework planes of the framework bosses are in interference fit or welded and fixed with the inner walls of the wrench holes.

Preferably, the shape of the wrench hole is a regular hexagonal prism; the framework boss is three or six, and all the framework bosses uniformly surround the framework main body.

Preferably, a protective gasket for preventing the sleeve from being in direct contact with the mounting plane of the first workpiece to be screwed is further fixed on the end face of the inlet end.

Preferably, the end surface of the inlet end of the sleeve is provided with a plurality of mounting holes; the protection gasket is provided with a plurality of countersunk holes and a plurality of countersunk screws which are inserted into the mounting holes and the countersunk holes to realize connection.

Preferably, one side of the protective gasket is also provided with a plurality of positioning bosses; all the mounting holes comprise a plurality of first mounting holes for inserting the countersunk head screws and a plurality of second mounting holes for embedding the positioning bosses.

Preferably, an operating part for providing torque force is further connected to the outer side of the sleeve or one end of the framework, which is far away from the wrench hole.

Compared with the prior art, the socket wrench provided by the utility model comprises a socket and a framework fixed in the wrench hole of the socket; the skeleton is fixed in the offside of telescopic entry end, and the skeleton still is equipped with along telescopic axis direction adjustable length, for laminating in the spacing portion of first work piece up end of waiting to twist towards one side of entry end.

Spacing portion sets up in the spanner hole and is connected with the skeleton, and spacing portion is adjustable along telescopic axis direction length also can be adjustable along the axis direction length in spanner hole. The depth of the first workpiece to be twisted extending into the wrench hole is determined by the position of the limiting part in the axis direction of the wrench hole, when the upper end face of the first workpiece to be twisted abuts against the limiting part, the first workpiece to be twisted has the maximum extending amount relative to the wrench hole, and the maximum extending amount corresponds to the distance between the limiting part and the inlet end, namely the locking height of the wrench hole. Therefore, the adjustment of the locking height of the wrench hole is realized by changing the length of the limiting part in the axial direction of the wrench hole, so that the socket wrench can be sleeved with first workpieces to be screwed at different locking heights, and the socket is convenient to fix the stress position of the socket relative to the first workpieces to be screwed.

Because the distance of spacing portion and entry end is adjustable, be less than the first thickness of twisting the work piece when the distance of spacing portion and entry end, there is certain clearance sleeve and the product surface of installing the first work piece of twisting, can avoid box spanner installation first when twisting the work piece with product surface contact lead to product board surface fish tail.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings required to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the provided drawings without creative efforts.

Fig. 1 is a schematic structural diagram of a socket wrench according to an embodiment of the present invention;

fig. 2 is a schematic structural diagram of a framework provided in an embodiment of the present invention;

FIG. 3 is a left side view of FIG. 2;

fig. 4 is a schematic structural view of a limiting portion according to an embodiment of the present invention;

fig. 5 is a cross-sectional view of a sleeve according to an embodiment of the present invention along an axial direction;

fig. 6 is a schematic structural view of a sleeve according to an embodiment of the present invention;

fig. 7 is a schematic structural diagram of a protection gasket according to an embodiment of the present invention.

The device comprises a sleeve 1, a mounting hole 11, a framework 2, a framework main body 21, a framework boss 22, a framework plane 221, a connecting hole 23, a limiting part 3, a recess 31, a countersunk head screw 4, a protective gasket 5, a countersunk head hole 51 and a positioning boss 52.

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.

In order to make the technical field of the present invention better understand, the present invention will be described in detail with reference to the accompanying drawings and the detailed description.

Referring to fig. 1 to 7, fig. 1 is a schematic structural diagram of a socket wrench according to an embodiment of the present invention; fig. 2 is a schematic structural diagram of a framework provided in an embodiment of the present invention; FIG. 3 is a left side view of FIG. 2; fig. 4 is a schematic structural view of a limiting portion according to an embodiment of the present invention; fig. 5 is a cross-sectional view of a sleeve according to an embodiment of the present invention along an axial direction; fig. 6 is a schematic structural view of a sleeve according to an embodiment of the present invention; fig. 7 is a schematic structural diagram of a protection gasket according to an embodiment of the present invention.

The utility model provides a socket wrench, which comprises a socket 1 and a framework 2 fixed in a wrench hole of the socket 1; skeleton 2 is fixed in the offside of sleeve 1's entry end, and skeleton 2 still is equipped with along sleeve 1's axis direction adjustable length, for laminating in the spacing portion 3 of first work piece up end of waiting to twist towards one side of entry end.

Be equipped with the wrench hole in the sleeve 1, the shape and size in wrench hole and the shape and size of the first work piece that waits to twist suit for the first work piece that waits to twist is established to the cover and drives the first work piece that waits to twist synchronous rotation when rotatory. For example, when the first workpiece to be screwed is specifically set as a nut, the wrench hole is in a regular hexagonal prism shape, the side length of the wrench hole is equal to the edge length of the nut, the nut extending into the wrench hole from the inlet end of the wrench hole and the wrench hole are fixed in the radial direction, and the nut rotates along with the wrench hole when the wrench hole is rotated.

Skeleton 2 is fixed in the offside of the entry end in spanner hole, and skeleton 2 sets up spacing portion 3 towards one side of entry end, that is to say, spacing portion 3 installs in spanner hole through skeleton 2.

The outside of sleeve 1 or skeleton 2 keep away from the one end in spanner hole still can connect the operation portion, play fixed sleeve 1's effect, can provide torsion to sleeve 1 and skeleton 2 simultaneously, realize utilizing sleeve 1 to twist soon first work piece of waiting to twist. The operating part can be a long-handle-shaped spanner handle, and the plate handle is connected with the sleeve 1 or the framework 2; also can set up to the base, a plurality of sleeves 1 or skeleton 2 can be connected to the terminal surface of base, realize rotating a plurality of box spanner simultaneously.

Because spacing portion 3 is adjustable along the axis direction adjustable length of sleeve 1 also is adjustable along the axis direction adjustable length of spanner hole, consequently the degree of depth that first work piece that waits to twist stretched into the spanner hole is decided by spacing portion 3 in the position of the axis direction of spanner hole, and when the up end of first work piece that waits to twist offseted with spacing portion 3, first work piece that waits to twist had the biggest volume of stretching into for the spanner hole, and this the biggest volume of stretching into corresponds to spacing portion 3 and the distance of entry end, namely the locking height in spanner hole. Therefore, the adjustment of the locking height of the wrench hole is realized by changing the length of the limiting part 3 in the axial direction of the wrench hole, so that the socket wrench can be sleeved with a first workpiece to be screwed at different locking heights, and the socket wrench is convenient to fix the stress position of the socket 1 relative to the first workpiece to be screwed.

When the distance between the limiting part 3 and the inlet end is smaller than the thickness of a first workpiece to be twisted, a certain gap exists between the sleeve 1 and the surface of a product provided with the first workpiece to be twisted, and the phenomenon that the surface of the product is scratched due to the fact that the sleeve 1 is in contact with the surface of the product when the sleeve wrench is used is avoided. That is to say, in order to avoid the sleeve 1 from damaging the surface of the product, the socket wrench needs to adjust the limiting portion 3 when in use, so that the distance between the limiting portion 3 and the inlet end is smaller than the height of the first workpiece to be twisted, and further, the first workpiece to be twisted is partially exposed out of the sleeve 1, and the first workpiece to be twisted plays a role of being supported between the sleeve 1 and the surface of the product.

The socket wrench provided by the present invention will be further described with reference to the accompanying drawings and embodiments.

To the setting of spacing portion 3, including the screw rod and be fixed in the spacing cap of screw rod one end. One side of the framework 2 facing the inlet end is provided with a threaded hole, and the threaded hole extends along the axial direction of the sleeve 1; the screw rod of spacing portion 3 is engaged in the screw hole soon, realizes being connected of spacing portion 3 and skeleton 2, realizes the length change of spacing cap in sleeve 1 axial direction moreover through revolving the screw rod soon.

Obviously, the limiting cap is arranged on one side of the wrench hole close to the inlet end, and the height of the wrench hole capable of accommodating the first workpiece to be screwed depends not only on the length of the wrench hole without the framework 2, but also on the height of the limiting cap relative to the wrench hole. Specifically, when the screw rod is screwed out towards the inlet end, the limiting cap is close to the inlet end, when the upper end face of a first workpiece to be twisted entering the wrench hole is contacted with the limiting cap, the limiting cap prevents the first workpiece to be twisted from continuing to stretch into the wrench hole, at the moment, the first workpiece to be twisted has the maximum stretching amount, and the maximum stretching amount is equal to the distance between the limiting cap and the inlet end. The distance between the limiting cap and the inlet end is smaller than the thickness of the first workpiece to be screwed, and when the first workpiece to be screwed has the maximum extending amount relative to the wrench hole, part of the first workpiece to be screwed is still exposed in the wrench hole, so that the effect of supporting the sleeve 1 to avoid the contact of the sleeve 1 and the surface of a product is achieved.

The limiting cap is preferably arranged to be a plane towards one side end face of the inlet end and used for being attached to the upper end face of a first workpiece to be twisted, the effect that the first workpiece to be twisted continues to extend into the wrench hole is achieved, meanwhile, the strength of the limiting cap is guaranteed, and the abrasion of the upper end face of the first workpiece to be twisted is avoided.

In order to adjust the length of the screw rod in the threaded hole conveniently, a recess 31 structure such as a straight-line groove recess or a cross-shaped groove recess is arranged in the end face of one side of the limiting cap facing the inlet end, and is used for a user to insert a screwdriver into the recess 31 to drive the limiting cap and the screw rod to rotate.

The screw hole in skeleton 2 can set up to one or more, and for better technological effect, screw hole and spacing portion 3 can set up to a plurality ofly, and a plurality of screw holes and a plurality of spacing portion 3 are at skeleton 2 towards the terminal surface evenly distributed of entry end one side, but the quantity is difficult too much, avoids increasing the regulation degree of difficulty of operation volume and whole spacing portion 3, can set up to two or three.

Illustratively, the framework 2 is provided with two threaded holes which are arranged along two ends of one radial direction of the wrench hole; the two limiting parts 3 are screwed into the two threaded holes respectively. During the use, the screw-in amount of two spacing portions 3 for the screw hole should be adjusted to equal to guarantee that two spacing caps are in the coplanar.

The limiting part 3 can be a nylon limiting screw. The nylon limit screw has a screw rod and a limit cap, and can realize the length adjustment along the axial direction of the sleeve 1, and the material of the nylon limit screw can also play a good protection effect on a first workpiece to be twisted, which is in contact with the limit cap.

The utility model discloses in, one side that the spanner hole deviates from the entry end is fixed with skeleton 2. The skeleton 2 includes a skeleton main body 21 and a plurality of skeleton bosses 22 provided around the skeleton main body 21.

The frame body 21 has a connection hole 23 in the middle for connecting other structures except the socket wrench, such as a wrench handle for providing torque, a base for fixing the socket 1 and the frame 2, and the like. The connection hole 23 may be configured as a square hole for connecting a square head of the torque wrench.

The framework main body 21 is in interference fit with the wrench holes through all framework bosses 22, so that the framework 2 is fixedly connected with the sleeve 1.

The skeleton 2 is used for connecting spacing portion 3 on the one hand, realizes the regulation of spacing portion 3 in wrench hole axial direction's length, and another is on one side, and other structures are connected through connecting hole 23 to skeleton 2, realize this box spanner's fixed and/or twist reverse.

The framework boss 22 is used for contacting the wall surface of the wrench hole and matching with the shape of the wall surface of the wrench hole. For example, the wrench hole is arranged in a regular hexagonal prism structure, that is, the wrench hole has six first planes enclosed in an annular structure, any framework boss 22 also has a second plane attached to any first plane, that is, a framework plane 221, all framework planes 221 of all framework bosses 22 are in surface contact with part or all of the six first planes respectively, the shape of the area enclosed by all framework planes 221 is matched with the shape of the area enclosed by the six first planes, and the size of the area enclosed by all framework planes is not smaller than the size of the area enclosed by the six first planes.

Furthermore, the wall surface of the framework boss 22 can be welded with the wall surface of the wrench hole.

In order to make the stress on the frame 2 and the wrench hole uniform, the number of the frame bosses 22 may be three or six, and all the frame bosses 22 surround the frame body 21 uniformly. For example, when the skeleton projection 22 is provided in three, the three skeleton projections 22 are provided at equal angular intervals with respect to six first planes of the wrench hole; when the number of the skeleton bosses 22 is six, the six skeleton bosses 22 are arranged corresponding to the six first planes of the wrench holes one by one.

On the basis of any one of the above embodiments, a protective gasket 5 is further fixed at the inlet end of the socket wrench, the protective gasket 5 is matched with the end surface of the socket 1 in shape, and the protective gasket 5 is attached to the end surface of the socket 1. When using this box spanner, if the distance of regulating part 3 and entry end equals or is greater than when the height of first work piece of waiting to twist, sleeve 1 will be first to wait to twist the work piece and all embolias, entry end and product surface contact just or contact and be in the stress state, at this moment, protection gasket 5 completely cuts off between entry end and product surface, avoids sleeve 1 and product surface direct contact to avoid installing the first in-process of waiting to twist the work piece, rotatory sleeve 1 causes the fish tail to the product surface.

The shape of the protective gasket 5 may be the same as or different from the shape of the end face of the inlet end. When the shape of the protective gasket 5 is the same as the shape of the end face of the inlet end, the protective gasket 5 can completely shield between the sleeve 1 and the surface of the product; when the shape of the protective pad 5 is different from the shape of the end face of the inlet end, the thickness of the protective pad 5 can be increased appropriately, and the sleeve 1 is prevented from directly contacting the surface of a product when being inclined relative to the first workpiece to be twisted.

The material of the protective pad 5 may be rubber or other flexible material, and of course, other material with hardness smaller than the hardness of the sleeve 1, especially smaller than the hardness of the product, may also be used as the protective pad 5 according to the present application.

The protective pad 5 can be fixed on the end surface of the inlet end in an adhering manner, and can also be fixedly connected to the inlet end through a fastener, for example, the end surface of the inlet end is provided with a plurality of mounting holes 11, and the protective pad 5 is provided with a plurality of countersunk holes 51 and a plurality of countersunk screws 4 respectively connected to all the countersunk holes 51. Any countersunk head screw 4 passes through the countersunk head hole 51 and the corresponding mounting hole 11, and the screw cap of the countersunk head screw 4 completely enters the groove of the countersunk head hole 51, so that the condition that the lower end face of the countersunk head screw 4 relative to the protective gasket 5 is protruded to influence the relative position of the inlet end and the surface of a product is avoided, and meanwhile, the surface of the product is prevented from being abraded by the countersunk head screw 4.

On the basis of the above embodiment, in order to improve the connection strength between the protection gasket 5 and the end surface of the inlet end, a plurality of positioning bosses 52 are further arranged on one side of the protection gasket 5, which is away from the groove of the countersunk hole 51, and all the mounting holes 11 on the end surface of the inlet end include a plurality of first mounting holes for inserting the countersunk screws 4 to realize connection and a plurality of second mounting holes for embedding the positioning bosses 52. That is, the locking of the countersunk head screws 4 and the fitting of the positioning bosses 52 together achieve the connection of the protective washer 5 to the sleeve 1.

The above details are provided for the socket wrench of the present invention. The principles and embodiments of the present invention have been explained herein using specific examples, and the above descriptions of the embodiments are only used to help understand the method and its core ideas of the present invention. It should be noted that, for those skilled in the art, without departing from the principle of the present invention, the present invention can be further modified and modified, and such modifications and modifications also fall within the protection scope of the appended claims.

Claims

1. A socket wrench is characterized by comprising a socket (1) and a framework (2) fixed in a wrench hole of the socket (1); skeleton (2) are fixed in the offside of the entry end of sleeve (1), skeleton (2) orientation one side of entry end still is equipped with the edge the axis direction adjustable length of sleeve (1), be used for laminating in first spacing portion (3) that need twist the work piece up end.

2. A socket wrench according to claim 1, characterised in that the skeleton (2) is provided with a threaded hole; the limiting part (3) comprises a screw rod inserted into the threaded hole and a limiting cap fixed at one end, far away from the framework (2), of the screw rod.

3. Socket wrench according to claim 2, characterised in that the end face of the stop cap is provided with a recess (31) for insertion of a tightening tool for screwing.

4. Socket wrench according to claim 3, characterised in that the stop part (3) is embodied as a nylon stop screw.

5. The socket wrench as claimed in claim 1, wherein the skeleton (2) comprises a skeleton body (21) provided with a connecting hole (23) at the middle part and a plurality of skeleton bosses (22) surrounding the skeleton body (21); all framework planes (221) of the framework bosses (22) are in interference fit or welded fixation with the inner walls of the wrench holes.

6. The socket wrench as claimed in claim 5, wherein the wrench bore is shaped as a regular hexagonal prism; the framework boss (22) is three or six, and all the framework boss (22) uniformly surrounds the framework main body (21).

7. A socket wrench as claimed in any one of claims 1 to 6, wherein a protective washer (5) is secured to the end face of the inlet end to prevent direct contact of the socket (1) with the mounting plane of the first workpiece to be twisted.

8. A socket wrench according to claim 7, wherein the end face of the inlet end of the socket (1) is provided with a plurality of mounting holes (11); the protection gasket (5) is provided with a plurality of countersunk holes (51) and a plurality of countersunk screws (4) which are inserted into the mounting holes (11) and the countersunk holes (51) to realize connection.

9. A socket wrench according to claim 8, wherein the protective pad (5) is further provided with a plurality of locating bosses (52) on one side; all the mounting holes (11) comprise a plurality of first mounting holes for inserting the countersunk head screws (4) and a plurality of second mounting holes for embedding the positioning bosses (52).

10. A socket wrench as claimed in claim 1, wherein an operating portion is connected to the outer side of the socket (1) or the end of the skeleton (2) away from the wrench opening for providing torque.