CN209533227U - A kind of connector of screwdriver bit and handle - Google Patents

Abstract

The utility model discloses the connectors of a kind of screwdriver bit and handle, it is related to driver technology field, its key points of the technical solution are that: including the pedestal being connect with handle and the hollow sleeve being connect with screwdriver bit, the base exterior is provided with external screw thread, the pedestal is inserted into handle end, and the external screw thread is connect with handle threads, the spliced eye being connected to hollow sleeve is offered in the pedestal, the hollow sleeve is socketed on screwdriver bit, and one end of screwdriver bit is plugged in spliced eye after being socketed, run through on the side wall of the spliced eye and offers location hole, the positioning pin for being fed through screwdriver bit is equipped on the location hole.It by the way that handle and screwdriver bit are detachably connected on respectively on pedestal and hollow sleeve, in order to the dismounting of handle and screwdriver bit, is used convenient for substituting, has the effect of reducing use cost.

Description

A kind of connector of screwdriver bit and handle

Technical field

The utility model relates to driver technology fields, more specifically, it relates to the company of a kind of screwdriver bit and handle Fitting.

Background technique

Screwdriver is a kind of tool for twisting screw to force its in place, usually has a thin sphenocephaly, can insert Enter in the line of rabbet joint or recess of screw cap.Existing screwdriver generally comprises handle and driver bit, and handle is usually and screw Cutter head is fixed together.But in use, if driver bit damages, just need to replace entire screwdriver, higher cost, Need spare different driver bit simultaneously for the screw of different model, it usually needs have multiple screwdrivers carry out using, Cause use cost larger.

Utility model content

Problem in view of the prior art, the purpose of this utility model is to provide the connections of a kind of screwdriver bit and handle Part has the advantages that reduce use cost convenient for the disassembly of screwdriver bit and handle.

To achieve the above object, the utility model provides following technical solution:

A kind of connector of screwdriver bit and handle, including the pedestal being connect with handle and the hollow sleeve being connect with pedestal Cylinder, the base exterior is provided with external screw thread, and the external screw thread is connect with handle threads, offers in the pedestal and hollow sleeve The spliced eye of cylinder connection, the hollow sleeve are socketed on screwdriver bit, and one end of screwdriver bit is plugged in grafting after socket In hole, through location hole is offered on the side wall of the spliced eye, it is equipped on the location hole and is fed through determining for screwdriver bit Position pin.

So set, by the way that handle is connect with pedestal, so that being detachably connected between handle and connector, in order to hand Handle is dismounted with connector.By utilizing hollow sleeve, so that in one end insertion hollow sleeve of screwdriver bit, and extend into In spliced eye, location hole is passed through using positioning pin after insertion, and be fed through screwdriver bit, screwdriver bit is positioned at hollow by realization In sleeve, positioning pin is transferred to when screwdriver bit damages or needs to switch model convenient for the dismounting of screwdriver bit, can be incited somebody to action Screwdriver bit takes out out of hollow sleeve, thus substituted, it is very convenient, realize the effect for reducing use cost.

Further setting: the positioning pin is threadedly coupled with location hole.

So set, positioning pin is threadedly connected to positioning hole, to improve positioning pin when positioning pin and location hole grafting Stability after being inserted into positioning hole, and be convenient for the taking-up of positioning pin and lock, improve the convenience dismounted to screwdriver bit.

Further setting: the handle jacket is equipped with fixture nut, and the handle is close to solid on the periphery wall of limited block Surely it is provided with gear edge, the fixture nut is threadedly coupled with external screw thread, and when locking, the fixture nut is far from externally threaded one End contacts at gear along upper.

So set, by sliding fixture nut, so that fixture nut is placed on outside pedestal and is threadedly coupled with external screw thread, from And in fixture nut locking, fixture nut contacts at gear along upper far from externally threaded one end, and pedestal contacts at the end of handle, To realize the connection of handle and pedestal, by controlling the locking and loosening of fixture nut, i.e., removable pedestal, improve handle with The convenience of connector dismounting reduces use cost in order to handle replacement.

Further setting: the limiting slot that the end that the pedestal is connect with handle offers, the limiting slot and spliced eye Connection, the end that the handle is connect with pedestal are fixedly installed limited block, limited block grafting setting corresponding with spliced eye.

So set, being inserted into limiting slot when handle is installed by limited block, Primary Location is formed, to control again solid Determine nut to be locked, improve the convenience of handle and connector dismounting, carries out consequently facilitating installing bolt screwdriver bit using mentioning The convenience of high integral disassembly, assembly, to reduce use cost.

Further setting: the spliced eye is set as square hole.

So set, will not produce relative rotation, and grafting is inserted into one end of screwdriver bit in limited block insertion square hole It after in hole, will not equally produce relative rotation, in order to which gripping handle is carried out using improving the convenience used after installing.

Further setting: the junction of the limiting slot and spliced eye is provided with blocker ring, and the blocker ring is fixed on limit Position slot is on the cell wall of spliced eye one end, and when grafting, the limited block is contacted on blocker ring.

So set, limited block is contained in limiting slot after by the way that limited block to be inserted into spliced eye, and limited block contradicts In in blocker ring, to feed back to assembly crewman, limited block grafting in place, so that the work that is locked of nut can be fixed Sequence improves the convenience of dismounting.

Further setting: the hollow sleeve is internally provided with locating slot far from one end of pedestal, the locating slot and inserts Kong Liantong is met, and shape of the locating slot in conjunction with spliced eye is adapted with the shape of screwdriver bit.

So set, by the locating slot opened up, so that the middle part of screwdriver bit is supported after in bolt screwdriver bit insertion spliced eye It touches at the slot bottom of locating slot, to feed back to assembly crewman, screwdriver bit grafting in place, improves the convenient of screwdriver bit dismounting Property, convenient for substituting, reduce use cost.

Further setting: the position that the hollow sleeve is connect with pedestal is by boss transition, and the hollow sleeve is remote One end end from pedestal is provided with chamfering.

So set, boss can be improved the structural strength of hollow sleeve Yu pedestal junction, to improve hollow sleeve With the load ability of pedestal, improve service life；It is avoided by the chamfering of setting so that the edge of hollow sleeve is more round and smooth It is hurt when assembling bolt screwdriver bit, improves assembly convenience.

By using above-mentioned technical proposal, the utility model is compared compared with the prior art, is had the advantage that

1, it is connect by pedestal with handle, hollow sleeve is connect with screwdriver bit, and is determined screwdriver bit using positioning pin In hollow sleeve, that is, the installation of handle and screwdriver bit is completed, entire disassembly process is convenient, is convenient for screwdriver bit and handle Dismounting, in order to carry out replacement use, have the effect of reduce use cost；

2, handle fixation can be lock onto connector by the cooperation being threadedly coupled by using fixture nut with external screw thread On pedestal, use cost is reduced in order to carry out replacement use convenient for the dismounting of connector and handle；

3, by the way that positioning pin to be threadedly coupled with location hole, it can be improved stability when positioning pin set screw screwdriver bit, And when screwdriver bit fractionation, positioning pin only need to be taken out, in order to which the fractionation of screwdriver bit substitutes, reduces use cost.

Detailed description of the invention

Fig. 1 is the structural schematic diagram after handle, screwdriver bit and connector installation；

Fig. 2 is the schematic cross-sectional view of Fig. 1；

Fig. 3 is the enlarged diagram in Fig. 2 at A；

Fig. 4 is the structural schematic diagram of connector

Fig. 5 is the schematic cross-sectional view of Fig. 4.

In figure: 1, handle；11, fixture nut；12, edge is kept off；13, limited block；2, screwdriver bit；3, pedestal；31, outer spiral shell Line；32, spliced eye；33, location hole；34, limiting slot；341, stop to change；4, hollow sleeve；41, locating slot；5, positioning pin；6, Boss；7, chamfering.

Specific embodiment

It is described further referring to figs. 1 to connector of the Fig. 5 to screwdriver bit and handle.

A kind of connector of screwdriver bit and handle, as shown in Figure 1, including the pedestal 3 and and pedestal being connect with handle 1 The hollow sleeves 4 of 3 connections, hollow sleeve 4 and 3 integrally connected of pedestal, when installation, handle 1 is connected on pedestal 3, screwdriver bit 2 It is connect with hollow sleeve 4, it is convenient to dismount, and is substituted convenient for each position, and use cost is reduced.

As depicted in figs. 1 and 2, by 6 transition of boss at the position that hollow sleeve 4 is connect with pedestal 3, the two connection is improved The structural strength at place.Hollow sleeve 4 is provided with chamfering 7 far from one end end of pedestal 3, improves the round and smooth of 4 corner of hollow sleeve Property, improve the security performance of dismounting.As shown in connection with fig. 3, the spliced eye 32 being connected to hollow sleeve 4, spiral shell are offered inside pedestal 3 After in one end insertion hollow sleeve 4 of silk screwdriver bit 2, it is plugged in spliced eye 32, it is rear in one end inserted base 3 of handle 1 to extend Enter in spliced eye 32, by the way of grafting, facilitate the dismounting of handle 1 Yu screwdriver bit 2, in order to substitute, reduce use at This.Wherein (square, rectangle or regular hexagon etc.) is arranged using square hole in spliced eye 32, thus after mounting, handle 1 It will not produce relative rotation with the part in bolt screwdriver bit insertion spliced eye 32, in order to use screwdriver to carry out lock screw.

As shown in Figures 2 and 3, handle 1 is provided with sliding section close to the position of pedestal 3, and the outer sliding sleeve of sliding section is equipped with solid Determine nut 11, is provided with gear along 12 close to one end of pedestal 3 in sliding section, when fixture nut 11 is locked, fixture nut 11 glides It is kept off along 12 to contacting at.External screw thread 31,11 screw thread of the fixture nut company of external screw thread 31 and handle 1 are provided with outside pedestal 3 It connects, when fixture nut 11 is locked, the top of pedestal 3 contacts at gear along 12 bottom, and the top of fixture nut 11, which contacts at, ripples Top realize the connection of handle 1 and pedestal 3 to form limit.

As shown in Figure 3 and Figure 4, the end that pedestal 3 is connect with handle 1 offers limiting slot 34, limiting slot 34 and spliced eye 32 connections, and the junction of limiting slot 34 and spliced eye 32 is provided with blocker ring, handle 1 is fixedly installed close to one end of pedestal 3 There are limited block 13, the grafting setting corresponding with limiting slot 34 of limited block 13, wherein limited block 13 includes plug division and positioning region, limit In the plug division insertion spliced eye 32 of position block 13, in positioning region insertion limiting slot 34 and contact on blocker ring, to feed back handle 1 In place with 3 grafting of pedestal assembly, so that the locking of nut 11 be fixed, the convenience that handle 1 dismounts is improved.

As shown in Figure 3 and Figure 5, locating slot 41, locating slot 41 are internally provided with far from one end of pedestal 3 in hollow sleeve 4 It is connected to spliced eye 32, and the shape that is combined with spliced eye 32 of locating slot 41 and screwdriver bit 2 are connected to the shape in hollow sleeve 4 Shape is adapted, so that screwdriver bit 2 is inserted into locating slot 41 and spliced eye 32 when screwdriver bit 2 is installed, when being inserted in place, The installation steps of next step are convenient for by the feedback of 41 slot bottom of locating slot in order to judge 2 grafting of screwdriver bit in place.

As shown in Figure 3 and Figure 4, it is equipped on location hole 33 on the side wall of spliced eye 32 through location hole 33 is offered If crossing the positioning pin 5 of screwdriver bit 2, wherein positioning pin 5 is threadedly coupled with location hole 33, after the insertion of screwdriver bit 2, is passed through Positioning pin 5 passes through location hole 33 and is fed through screwdriver bit 2 and limited, and realizes screwdriver bit 2 and hollow sleeve 4 and pedestal 3 be stably connected with, by the locking of control positioning pin 5 and unclamps, can carry out the dismounting of screwdriver bit 2, very convenient, convenient for more For screwdriver bit 2, use cost is reduced.

Working principle: when installation, the limited block 13 of handle 1 being inserted into limiting slot 34, until the positioning region of limited block 13 Contact at and form feedback on blocker ring, thus at judgement 1 grafting of handle in place, at this time i.e. controllable fixture nut 11 glide and with External screw thread 31 is threadedly coupled.It is locked after nut 11, gear limits fixture nut 11 and pedestal 3 along 12, realizes The installation of handle 1 and connector pedestal 3, when needing to split, handle 1 can be removed by unlocking fixture nut 11, convenient for handle 1 with The dismounting of connector reduces use cost in order to substitute part.After handle 1 is fixedly connected with pedestal 3, by screwdriver bit 2 On correspond to the position of location hole 33 for the part of 5 grafting of positioning pin, then screwdriver bit 2 is inserted into hollow sleeve 4 and spliced eye In 32, location hole 33 is inserted into using positioning pin 5 after insertion and is fed through screwdriver bit 2, screwdriver bit 2 and hollow sleeve can be realized The location and installation of cylinder 4.When needing to split screwdriver bit 2, positioning pin 5 is unlocked and takes out, it can be by screwdriver bit 2 and hollow sleeve Cylinder 4 separates, and carries out using reduction use cost in order to substitute screwdriver bit 2.Through the above scheme, it realizes and is convenient for screwdriver First 2 with the disassembly of handle 1, carry out consequently facilitating substituting each components using having the advantages that reduction use cost.

The above is only the preferred embodiment of the utility model, and the protection scope of the utility model is not limited merely to Above-described embodiment, technical solution belonging to the idea of the present invention belong to the protection scope of the utility model.It should refer to Out, for those skilled in the art, it is without departing from the principle of the utility model it is several improvement and Retouching, these improvements and modifications also should be regarded as the protection scope of the utility model.

Claims (8)

1. the connector of a kind of screwdriver bit and handle, it is characterised in that: including the pedestal (3) that is connect with handle (1) and with The hollow sleeve (4) of pedestal (3) connection, the pedestal (3) is external to be provided with external screw thread (31), the external screw thread (31) and handle (1) it is threadedly coupled, offers the spliced eye (32) being connected to hollow sleeve (4), the hollow sleeve (4) in the pedestal (3) It is socketed on screwdriver bit (2), and one end of screwdriver bit (2) is plugged in spliced eye (32) after socket, the spliced eye (32) it through offering location hole (33) on side wall, is equipped on the location hole (33) and is fed through determining for screwdriver bit (2) Position pin (5).

2. the connector of a kind of screwdriver bit and handle according to claim 1, it is characterised in that: the positioning pin (5) It is threadedly coupled with location hole (33).

3. the connector of a kind of screwdriver bit and handle according to claim 1, it is characterised in that: the handle (1) is outside It is arranged with fixture nut (11), the handle (1) is close to being fixedly installed gear on the periphery wall of limited block (13) along (12), institute When stating fixture nut (11) to be threadedly coupled with external screw thread (31), and locking, the fixture nut (11) is far from external screw thread (31) One end contacts at gear on (12).

4. the connector of a kind of screwdriver bit and handle according to claim 3, it is characterised in that: the pedestal (3) with The limiting slot (34) that the end of handle (1) connection offers, the limiting slot (34) are connected to spliced eye (32), the handle (1) end connecting with pedestal (3) is fixedly installed limited block (13), limited block (13) grafting corresponding with spliced eye (32) Setting.

5. the connector of a kind of screwdriver bit and handle according to claim 4, it is characterised in that: the spliced eye (32) It is set as square hole.

6. the connector of a kind of screwdriver bit and handle according to claim 4, it is characterised in that: the limiting slot (34) The junction of spliced eye (32) is provided with blocker ring, the blocker ring is fixed on limiting slot (34) close to spliced eye (32) one end Cell wall on, when grafting, the limited block (13) is contacted on blocker ring.

7. the connector of a kind of screwdriver bit and handle according to claim 1, it is characterised in that: the hollow sleeve (4) one end far from pedestal (3) is internally provided with locating slot (41), and the locating slot (41) is connected to spliced eye (32), and institute It states locating slot (41) and is adapted with the shape that spliced eye (32) combines with the shape of screwdriver bit (2).

8. the connector of a kind of screwdriver bit and handle according to claim 1, it is characterised in that: the hollow sleeve (4) position connecting with pedestal (3) passes through boss (6) transition, and one end end of the hollow sleeve (4) far from pedestal (3) It is provided with chamfering (7).