CN203210289U

CN203210289U - Retractable disassembling tool

Info

Publication number: CN203210289U
Application number: CN 201320104805
Authority: CN
Inventors: 王伯勇
Original assignee: SHAOXING HUANZHOU TOOL MANUFACTURING Co Ltd
Current assignee: SHAOXING HUANZHOU TOOL MANUFACTURING Co Ltd
Priority date: 2013-03-07
Filing date: 2013-03-07
Publication date: 2013-09-25
Anticipated expiration: 2023-03-07

Abstract

The utility model belongs to the technical field of disassembling tools and in particular relates to a retractable disassembling tool. The retractable disassembling tool is used for solving the technical problems that the design is not reasonable enough, the control is inconvenient and a driver rod can easily axially move. The retractable disassembling tool comprises a barrel-shaped handle, wherein one end of the handle is provided with a ratchet wheel assembly which is used for controlling the circular rotation direction of a driver rod and/or circularly locking the driver rod, the driver rod which can axially move relative to the ratchet wheel assembly is arranged in the ratchet wheel assembly in a penetrating manner, one end of the driver rod extends into the handle, a control mechanism which is used for axially locking the driver rod or releasing the axial locking of the driver rod is arranged on the handle, and the control mechanism is sheathed on the driver rod. Compared with the prior art, the retractable disassembling tool has the advantages that the design is more reasonable, the control on the axial locking of the driver rod and releasing a locking state of the driver rod is convenient, and an axial locking effect is good.

Description

Telescopic dismantling device

Technical field

The utility model belongs to the dismantling device technical field, relates in particular to a kind of telescopic dismantling device.

Background technology

Dismantling device is widely used in daily life and field of engineering technology, in order can enough to adapt to various occasions and to use efficient and conveniently, has possessed various dismantling devices on the existing market.For example: batch bar can be unidirectional or the dismantling device of two-way circumferential rotation, but the dismantling device of batch bar axial displacement also has the dismantling device of axial restraint; Mostly existing these dismantling devices generally are to comprise: handle, in handle, be provided with batch bar, what have also has a ratchet sub-assembly, and existing these dismantling devices have such shortcoming: set batch pole length and fix, in the time of in concrete operation, need to use long when simultaneously, short batch bar with convenient working in this case the time, utilizing batch bar is that fixed this dismantling device just seems cumbersome, need carry different types of dismantling device, and in these dismantling devices of present axially-displaceable dynamic formula, when batch bar being carried out axial locking and the axial locking of cancellation, criticize the axial locking instability of bar, axially the bad batch bar of locking control effect just moves axially easily, in addition, to batch axial locking of bar and the axial locking of cancellation the time, inconvenient operation.

In order to solve the problem that prior art exists, people have carried out long-term exploration, have proposed various solutions.For example, Chinese patent literature discloses a kind of screwdriver [application number: 97215672.0] with flexibility bar, and its structure comprises that one is provided with the lever of hollow hole; One is provided with the tube connector of a circular inner hole and a hexagonal internal bore, and a sliding sleeve is to be provided with a less internal diameter vertically, and therebetween establishes one the hollow circuit cylinder ring-type chase and that have the second order internal diameter is arranged; The flexibility bar that one tight spring coil twines, its front end are established one and are had hexagonal first socket part and and plug portion, and the other end is established hexagonal second socket part one screwdriver head.

Above-mentioned scheme is that a kind of control by rotary structure is criticized the axial locking of bar and moved axially, can satisfy instructions for use to a certain extent, but this scheme still is undesirable to the control effect of batch bar, to batch axial locking of bar and the axial locking of cancellation the time, control is inconvenient, in addition, at batch bar axially loaded and when batch bar is in axial lockup state, batch bar still moves axially easily, still there is defective in this design for scheme, is difficult for being applied.

Summary of the invention

The purpose of this utility model is at the problems referred to above, provides a kind of design more reasonable, and is convenient to batch axial locking of bar and the control of cancellation lockup state, axially the effective telescopic dismantling device of locking.

For achieving the above object, the utility model has adopted following technical proposal: this telescopic dismantling device comprises tubular handle, an end of handle be provided with for the control batch circumferential rotation direction of bar and/or circumferentially locking criticize the ratchet sub-assembly of bar, in the ratchet sub-assembly, be equipped with axially movable batch of bar of this ratchet sub-assembly relatively, one end of described batch of bar extends in the described handle, it is characterized in that, described handle is provided with the controlling organization of criticizing bar or the cancellation batch axial locking of bar for axial locking, and described controlling organization is set on batch bar.Obviously, in the utility model, when the user when in use owing to be provided with controlling organization, as long as the singlehanded axial locking of bar and the axial locking of cancellation just can will criticized, control is convenient, in addition, the of the present utility model batch of bar is difficult for moving axially phenomenon, and axially during locking, it is firm to criticize the bar axial restraint.

In above-mentioned telescopic dismantling device, described controlling organization comprises and is set in the described batch of cylindrical body on the bar, sidepiece in cylindrical body is provided with at least one through hole, in each through hole, be respectively equipped with positioning bead, on cylindrical body, also be with lock tube, thereby thereby described lock tube inwall be provided with can make positioning bead and the contact of batch bar axially locking criticize the taper surface of bar and can be made positioning bead separate with batch bar to cancel to criticize the axial locking of bar when lock tube axially promotes the described taper surface in back.Fixed when such structure can will be criticized the axial locking of bar, the difficult phenomenon that moves axially, the also axial locking of cancellation batch bar easily of this structure simultaneously.

In above-mentioned telescopic dismantling device, described lock tube one end is provided with to be set on the cylindrical body and when applying radial effect power to it and can promotes the axially movable pushing mechanism of lock tube; The described lock tube other end is provided with the elastic reset structure that is arranged on the cylindrical body and lock tube is resetted.Such structure control is more convenient, and more laborsaving, guarantees the controlling organization operate as normal.The elastic reset structure comprises spring, and an end of spring is resisted against on the lock tube, and the other end is resisted against on the jump ring that is arranged on the cylindrical body end.

In above-mentioned telescopic dismantling device, described pushing mechanism comprises the promotion cover that is enclosed within on the cylindrical body, is being provided with between promotion cover and the lock tube when can promote the axially movable promotion structure of lock tube when the promotion cover applies radial effect power.Obviously, structure of the present utility model is very simple, is easy to control.

In above-mentioned telescopic dismantling device, described promotion structure comprises being separately positioned on the two ends that promote cover and all being enclosed within first on the described cylindrical body and promotes ring and second and promote to encircle, first other end that promotes ring is resisted against on the blocking surface of cylindrical body end, second other end that promotes ring links to each other with lock tube, be provided with equally distributed first convex body of some circumference at first end face that promotes the relative second promotion ring of ring, promote the end face that ring relative first promotes ring second and be provided with equally distributed second convex body of some circumference, be respectively equipped with the locating slot that described first convex body of some confessions and second convex body insert one by one in the both ends of the surface that promote cover.Obviously, this is a kind of prioritization scheme; Certainly, this promotion structure can also be other structure, for example: only arrange one and first and promote the promotion ring that ring or second promotes ring one spline structure, also can also be the convex body that directly is separately positioned on some and described first convex body that promotes on cover and the lock tube or second convex body, one spline structure, reach some and described locating slot one spline structure and with the convex body cell body of corresponding setting (these are as the further specifying of other several secondary structures of this structure, and do not look among the figure) one by one.

In the utility model, when batch bar is cancelled axial locking and promotion cover radial force, thereby separating first convex body and second convex body respectively with locating slot, the promotion cover make first to promote to encircle with the second promotion annulate shaft to movement, certainly, owing to be provided with blocking surface, will make lock tube and second promote ring like this and promote annulate shaft to moving relative to first, and that positioning bead at this moment and the gap between the lock tube just become is big, just can realize criticizing bar to move axially; On the contrary, when the promotion cover did not radially stress, positioning bead just was stuck between batch bar and the lock tube, and batch bar is just fixed firmly, controlled conveniently and easily controlled.

In above-mentioned telescopic dismantling device, have the inclined-plane respectively on described first convex body and second convex body, in each locating slot, be provided with the slope that is complementary with described inclined-plane.Obviously, this structure has the effect of guiding, controls convenient, and more laborsaving.

In above-mentioned telescopic dismantling device, be used for preventing the circumferential circumferential location structure that rotates between this promotion structure and the handle between described promotion structure and the handle.Circumferentially location structure is further optimized the control effect.

In above-mentioned telescopic dismantling device, described circumferential location comprises some handle inwall and equally distributed holddown grooves of circumference of being arranged on, and is respectively equipped with some corresponding location convex bodys that arrange and all can insert described holddown groove one by one one by one at first sidepiece that promotes ring and the second promotion ring.Circumferentially fixed.

In above-mentioned telescopic dismantling device, described promotion cover sidepiece has pushing block, is provided with control knob at handle, and described pushing block links to each other by connected structure with control knob.Connected structure can be arranged on the cutting on the pushing block, at control knob slot is set, and is inserted in the slot.

In above-mentioned telescopic dismantling device, described through hole the inner has the taper blocking surface that dwindles to the hole inner port from inside, hole; Described taper surface heavy caliber end is towards an end of pushing mechanism; Be provided with end cap at handle away from an end of ratchet sub-assembly.The position of taper blocking surface restriction positioning bead, positioning bead is fallen in the cylindrical body from inner port when preventing from changing batch bar or assembling.In addition, have convex shoulder at the cylindrical body inwall, between lock tube and elastic reset structure, be provided with an end face and be fitted in pad on the convex shoulder.Pad plays a part protection, prevents that pushing mechanism is worn.

Compared with prior art, the advantage of this telescopic dismantling device is: 1, design is more reasonable, and structure is simpler.2, when the user when in use owing to be provided with controlling organization, as long as singlehanded axial locking and the cancellation locking that just can will criticize bar, control is convenient, in addition, of the present utility model batch of bar is difficult for moving axially phenomenon, axial locking is firm.3, when batch bar is cancelled axial locking, promote the cover radial force, thereby separating first convex body and second convex body respectively with locating slot, the promotion cover make first to promote to encircle with the second promotion annulate shaft to movement, certainly, owing to be provided with blocking surface, will make lock tube and second promote ring like this and promote annulate shaft to moving relative to first, and that positioning bead at this moment and the gap between the lock tube just become is big, just can realize criticizing bar to move axially; On the contrary, when the promotion cover did not radially stress, positioning bead just was stuck between batch bar and the lock tube, and batch bar is just fixed firmly, controlled conveniently and easily controlled.

Description of drawings

Fig. 1 is the structural representation that the utility model provides.

Fig. 2 is the controlling organization blast structural representation that the utility model provides.

Fig. 3 is the blast structural representation that the utility model provides.

Fig. 4 is the structure for amplifying schematic diagram at A place among Fig. 1.

Among the figure, handle 1, ratchet sub-assembly 1a, control knob 1b, end cap 1c, convex shoulder 1d, holddown groove 11, batch bar 2, controlling organization 3, blocking surface 3a, cylindrical body 31, through hole 31a, positioning bead 32, lock tube 33, taper surface 33a, pad 34, elastic reset structure 4, location convex body 5a, promotion cover 51, locating slot 51a, pushing block 51b, first promote ring 52, the first convex body 52a, second and promote to encircle 53, the second convex body 53a, inclined-plane a, slope b, taper blocking surface c.

The specific embodiment

The utility model is described in more detail below in conjunction with the drawings and specific embodiments.

As Figure 1-3, this telescopic dismantling device comprises tubular handle 1, be provided with the ratchet sub-assembly 1a that criticizes bar 2 for control batch bar 2 circumferential rotation directions and/or circumferential locking at an end of handle 1, in order to prevent that dust from entering handle 1 inside, be provided with end cap 1c at handle 1 away from the end of ratchet sub-assembly 1a, in ratchet sub-assembly 1a, be equipped with axially movable batch of bar 2 of this ratchet sub-assembly 1a relatively, one end of described batch of bar 2 extends in the described handle 1, control for convenience and guarantee that batch bar 2 is by axial firm fixation, be provided with the controlling organization 3 of criticizing bar 2 or cancellation batch bar 2 axial lockings for axial locking at handle 1, described controlling organization 3 is set on batch bar 2.

In the present embodiment, as Fig. 1,2, shown in 4, described controlling organization 3 comprises and is set in the described batch of cylindrical body 31 on the bar 2, sidepiece in cylindrical body 31 is provided with at least one through hole 31a, in each through hole 31a, be respectively equipped with positioning bead 32, this through hole 31a the inner has the taper blocking surface c that dwindles to the hole inner port from inside, hole, positioning bead 32 is fallen in the cylindrical body 31 from inner port in the time of can preventing from changing batch bar 2 or assembling, on cylindrical body 31, also be with lock tube 33, thereby thereby described lock tube 33 inwalls be provided with can make

positioning bead

32 and 2 contacts of batch bar axially locking criticize the taper surface 33a of bar 2 and can be made positioning bead 32 separate with batch bar 2 to cancel to criticize bar 2 axial lockings when lock tube 33 axially promotes the described taper surface 33a in back.

In addition, control for convenience is provided with at lock tube 33 1 ends and is set on the cylindrical body 31 and can promotes lock tube 33 axially movable pushing mechanisms when applying radial effect power to it; Described lock tube 33 other ends are provided with the elastic reset structure 4 that is arranged on the cylindrical body 31 and lock tube 33 is resetted; In addition, have convex shoulder 1d at cylindrical body 31 inwalls, between lock tube 33 and elastic reset structure 4, be provided with an end face and be fitted in pad 34 on the convex shoulder 1d.Concrete, the pushing mechanism here comprises the promotion cover 51 that is enclosed within on the cylindrical body 31, is being provided with between promotion cover 51 and the lock tube 33 when can promote lock tube 33 axially movable promotion structures when promotion cover 51 applies radial effect power.Prioritization scheme, this promotion structure comprises being separately positioned on the two ends that promote cover 51 and all being enclosed within the promotion of first on the described cylindrical body 31 encircles the 52 and second promotion ring 53, first other end that promotes ring 52 is resisted against on the blocking surface 3a of cylindrical body 31 ends, second other end that promotes ring 53 links to each other with lock tube 33, be provided with the equally distributed first convex body 52a of some circumference at first end face that promotes the ring 52 relative second promotion rings 53, promote the end faces that ring 53 relative first promotes ring 52 second and be provided with the equally distributed second convex body 53a of some circumference, be respectively equipped with the locating slot 51a that the described first convex body 52a of some confessions and the second convex body 53a insert one by one in the both ends of the surface that promote cover 51; Above-mentioned taper surface 33a heavy caliber end is towards an end of this pushing mechanism.Control for convenience has pushing block 51b at promotion cover 51 sidepieces, is provided with control knob 1b at handle 1, and described pushing block 51b links to each other by connected structure with control knob 1b.The connected structure here is prior art, does not just remake at this and gives unnecessary details.

In the present embodiment, when batch bar 2 is cancelled axial locking, promote cover 51 radial forces, thereby promoting cover 51 separates the first convex body 52a and the second convex body 53a respectively to make first to promote ring 52 and second and promote to encircle 53 and move axially with locating slot 51a, certainly, owing to be provided with blocking surface 3a, will make lock tube 33 and second promote the ring 53 relative first promotion rings 52 like this and move axially, and positioning bead 32 at this moment and the gap between the lock tube 33 just become greatly, just can realize moving axially of batch bar 2; On the contrary, when promotion cover 51 did not radially stress, positioning bead 32 just was stuck between batch bar 2 and the lock tube 33, and batch bar 2 is just fixed firmly, controlled conveniently and easily controlled.

In addition, as shown in Figure 2, on the first convex body 52a and the second convex body 53a, have inclined-plane a respectively, in each locating slot 51a, be provided with the slope b that is complementary with described inclined-plane a.This structure has guide effect.

Shown in Fig. 1,3, promoting to be used between structure and the handle 1 preventing the circumferential circumferential location structure that rotates between this promotion structure and the handle 1.The concrete circumferential location here comprises some handle 1 inwall and equally distributed holddown grooves 11 of circumference of being arranged on, and is respectively equipped with some corresponding location convex body 5a that arrange and all can insert described holddown groove 11 one by one one by one at first sidepiece that promotes the ring 52 and second promotion ring 53.Circumferentially fixed, be difficult for taking place circumferential offset phenomena.

Specific embodiment described herein only is that the utility model spirit is illustrated.The utility model person of ordinary skill in the field can make various modifications or replenishes or adopt similar mode to substitute described specific embodiment, but can't depart from spirit of the present utility model or surmount the defined scope of appended claims.

Although this paper has used handle 1, ratchet sub-assembly 1a, control knob 1b, end cap 1c, convex shoulder 1d, holddown groove 11, batch bar 2, controlling organization 3, blocking surface 3a, cylindrical body 31, through hole 31a, positioning bead 32, lock tube 33, taper surface 33a, pad 34, elastic reset structure 4, location convex body 5a, promotion cover 51, locating slot 51a, pushing block 51b, first to promote ring 52, the first convex body 52a, second and promoted to encircle 53, the second convex body 53a, inclined-plane a, terms such as slope b, taper blocking surface c morely, do not get rid of the possibility of using other term.Using these terms only is in order to describe and explain essence of the present utility model more easily; They are construed to any additional restriction all is contrary with the utility model spirit.

Claims

1. telescopic dismantling device, comprise tubular handle (1), an end of handle (1) be provided with for control batch bar (2) circumferentially rotation direction and/or circumferentially locking criticize the ratchet sub-assembly (1a) of bar (2), in ratchet sub-assembly (1a), be equipped with this axially movable batch of bar of ratchet sub-assembly (1a) (2) relatively, one end of described batch of bar (2) extends in the described handle (1), it is characterized in that, described handle (1) is provided with the controlling organization (3) of criticizing bar (2) or the axial locking of cancellation batch bar (2) for axial locking, and described controlling organization (3) is set on batch bar (2).

2. telescopic dismantling device according to claim 1, it is characterized in that, described controlling organization (3) comprises the cylindrical body (31) that is set on the described batch of bar (2), sidepiece in cylindrical body (31) is provided with at least one through hole (31a), in each through hole (31a), be respectively equipped with positioning bead (32), on cylindrical body (31), also be with lock tube (33), described lock tube (33) inwall be provided with can make positioning bead (32) with batch bar (2) thus contact axially locking criticize bar (2) taper surface (33a) and when lock tube (33) axially promoted back described taper surface (33a) can make positioning bead (32) with batch bar (2) thus separate to cancel and criticize the axial locking of bar (2).

3. telescopic dismantling device according to claim 2 is characterized in that, described lock tube (33) one ends are provided with and are set in cylindrical body (31) upward and can promote the axially movable pushing mechanism of lock tube (33) when applying radial effect power to it; Described lock tube (33) other end is provided with and is arranged on the elastic reset structure (4) that cylindrical body (31) goes up and lock tube (33) is resetted.

4. telescopic dismantling device according to claim 3, it is characterized in that, described pushing mechanism comprises the promotion cover (51) that is enclosed within on the cylindrical body (31), is being provided with between promotion cover (51) and the lock tube (33) when promoting the axially movable promotion structure of lock tube (33) to promoting to overlap when (51) apply radial effect power.

5. telescopic dismantling device according to claim 4, it is characterized in that, described promotion structure comprises being separately positioned on the two ends that promote cover (51) and all being enclosed within the promotion of first on the described cylindrical body (31) encircles (52) and the second promotion ring (53), first other end that promotes ring (52) is resisted against on the blocking surface (3a) of cylindrical body (31) end, second other end that promotes ring (53) links to each other with lock tube (33), be provided with equally distributed first convex bodys of some circumference (52a) at first end face that promotes the relative second promotion ring (53) of ring (52), promote the end face that ring (53) relative first promotes ring (52) second and be provided with equally distributed second convex bodys of some circumference (53a), be respectively equipped with the locating slot (51a) that described first convex bodys of some confessions (52a) and second convex body (53a) insert one by one in the both ends of the surface that promote cover (51).

6. telescopic dismantling device according to claim 5, it is characterized in that, have inclined-plane (a) respectively on described first convex body (52a) and second convex body (53a), in each locating slot (51a), be provided with the slope (b) that is complementary with described inclined-plane (a).

7. according to claim 5 or 6 described telescopic dismantling devices, it is characterized in that, be used for preventing the circumferential circumferential location structure that rotates between this promotion structure and the handle (1) between described promotion structure and the handle (1).

8. telescopic dismantling device according to claim 7, it is characterized in that, described circumferential location comprises some handle (1) inwall and equally distributed holddown grooves of circumference (11) of being arranged on, and is respectively equipped with some corresponding location convex bodys (5a) that arrange and all can insert described holddown groove (11) one by one one by one at first sidepiece that promotes ring (52) and the second promotion ring (53).

9. according to claim 3 or 4 described telescopic dismantling devices, it is characterized in that, described promotion cover (51) sidepiece has pushing block (51b), is provided with control knob (1b) at handle (1), and described pushing block (51b) links to each other by connected structure with control knob (1b).

10. telescopic dismantling device according to claim 2 is characterized in that, described through hole (31a) the inner has the taper blocking surface (c) that dwindles to the hole inner port from inside, hole; Described taper surface (33a) heavy caliber end is towards an end of pushing mechanism; Be provided with end cap (1c) at handle (1) away from an end of ratchet sub-assembly (1a).