CN2462123Y

CN2462123Y - Strucure improved gasket driving rod

Info

Publication number: CN2462123Y
Application number: CN 00260044
Authority: CN
Inventors: 张安乐
Original assignee: Individual
Current assignee: Individual
Priority date: 2000-12-19
Filing date: 2000-12-19
Publication date: 2001-11-28
Anticipated expiration: 2010-12-19

Abstract

The utility model relates to an improved structure of a sleeve driving rod, which is mainly composed of a connecting rod, a pushing rod assembled on the connecting rod, a pressing stopping rod and a pushing collar, wherein, the pushing rod is provided with an inclined plane, the pressing stopping rod is provided with a clamping notch with a bevel, and the inclined plane is opposite to the bevel. The pressing stopping rod is pushed through matching with an inclined pushing face arranged on an inner wall face of the pushing collar to cause the pressing stopping rod to link with the pushing rod, the end part of the pushing rod shifts out the connecting rod and automatically pushes off the sleeve assembled at the end part of the connecting rod, so as to achieve the purpose that a user can take and change the sleeve easily, and the utility model is practical.

Description

Sleeve driveshaft structure improvement

The utility model system is about a kind of sleeve driveshaft structure improvement.

General user is to establish suitable extension bar in sleeve one termination when using sleeve, and mat operation extension bar should have the start effect to impel sleeve to finish it then.And the extension bar structure, it includes catch bar, presses bar and extension bar body, and wherein catch bar is provided with the fastening position of a hollow, and catch bar front end and be arranged with a recess and a groove; The extension bar body is provided with a slotted eye again, and extension bar body front end forms a belled position, and is provided with a containing space in belled position, and this containing space is connected with set hole on it; This presses bar one end and is convexly equipped with a hook part, and hook part and press between the bar and to form a slide part, and this presses leverage and is used for fastening to the fastening position of catch bar; And one spring system pull between extension bar body and catch bar in order to the top.

In the above structure, though this extension bar body has the effect that card is established sleeve, but because the hole of L shaped shape is made at the fastening position of this catch bar, and L shaped shape is also made in this hook part that presses bar, therefore overall structure is comparatively complicated, obviously be difficult in the making, assembling simultaneously also has higher degree of difficulty, so difficulty is closed industrial utilization; In addition, after the user pressed bar with the interlock catch bar to press on the other hand, makes the steel ball sinking on the extension bar, the user must go into another gloves or extract to connect the sleeve that is located on the extension bar again; Be so that use the purpose that does not meet easy operation, the necessity that is improved is arranged in fact.

The purpose of the utility model ties up to provides a kind of sleeve driveshaft structure improvement, it lies on the extension bar group and establishes a catch bar, and press bar and and promote the collar and constitute, and utilize the relative configuration in plane of inclination, make this press the lever linkage catch bar, use to constitute and simplify structure; And the outer shift-in of this catch bar can be pushed winding open automatically at this sleeve of extension bar body end, gets easily and changes sleeve and be beneficial to the user.

The utility model is to realize like this, it is to establish a catch bar and by group on the extension bar to press bar and constituted, axle was upwards offered a duct among wherein this extension bar lay in an end, and the footpath upwards offers a receiving hole and one group respectively and establishes the hole, and this receiving hole is established the hole with this group and is communicated with this duct respectively, and with this receiving hole in that a blocking steel ball is set is corresponding with this catch bar, and group is established and a spring is set in the hole and presses rod end surface and contact; This catch bar one end place system is established a plane of inclination, and this presses leverage one end and offers a blocking recess, the wall end face has been made an inclined-plane within this blocking recess, makes this press bar according to this and is mounted on the extension bar, and the set inclined-plane of wall end face is just corresponding with the plane of inclination of catch bar within this blocking recess; The inner end wall surface of a promotion cover ring system is made the inclined thrust surface that inclines in addition, and should promote to overlap the ring set group on extension bar, and this inclined thrust surface that inclines just presses the corresponding contact of end face of bar with this.Pass by this this promotion collar make this incline the inclined thrust surface interlock this press bar and shift in the extension bar, and this inclined-plane that presses bar contacts and forms relative movement with the plane of inclination of this catch bar, cause this catch bar to move outward and automatically pushing tow connect the sleeve that is located at the extension bar end.

Below in conjunction with drawings and Examples the utility model is described in detail.

Fig. 1 is the exploded view of the utility model.

Fig. 2 is the local component composition External view of the utility model.

Fig. 3 is the structural representation of the utility model.

Fig. 4 is the utility model action schematic representation.

The figure number explanation:

(10) extension bar (11) duct (12) receiving hole

(13) group is established hole (14) blocking steel ball (15) spring

(20) catch bar (21) recess (22) plane of inclination

(23) plane of inclination (24) extension rod section (27) catch

(28) catch (29) spring (30) presses bar

(31) blocking recess (32) inclined-plane (40) promotes the collar

(41) inclined thrust surface inclines in block face (42) space (43)

(44) space (45) Returnning spring (51) location C ring

(52) stop washer (60) sleeve

The utility model system is about a kind of sleeve driveshaft structure improvement, see also Fig. 1,2, shown in 3, it is mainly by an extension bar (10), one catch bar (20), one presses bar (30) and promotes the collar (40) institute common combination and forms, wherein: axle is to the duct (11) of offering a pre-length among these extension bar (10) one ends, and offer a receiving hole (12) diametrically respectively and establish hole (13) with one group, and make this receiving hole (12) and this group establish hole (13) to communicate with this duct (11) respectively, and a blocking steel ball (14) is set in this receiving hole (12), and establishes in group a spring (15) is set in the hole (13).

This catch bar (20) cording has the body of rod of predetermined length, its surface system is provided with a recess (21), and these recess (21) one sides are plane of inclination (22), and recess (21) the opposite end system of this catch bar (20) is provided with a plane of inclination ((23), and plane of inclination (23) are not held and are extended with an extension rod section (24), this extension rod section (24) can be made and be located at eccentric position, and be equipped with two baffle rings (27) on the bar, (28), in two baffle rings (27), (28) dispose a spring (29) between, wherein connect be located at this extension rod section (24) not the baffle ring of end (27) can be affixed shape, another baffle ring (28) then is movable shape; One of this catch bar (20) tool extension rod section (24) end is mounted in the duct (11) of this extension bar (10) in view of the above, its recess (21) is relative with blocking steel ball (14) and be the support shape, and this extension rod section (24) and baffle ring (27) rest on end, duct (11) wall.

This presses bar (30) is a quarter butt body, offers the blocking recess (31) of cutting the structure shape open on the surface of one end, and wall end face Bevel (32) within this blocking recess (31); When this presses group that bar (30) stretches into extension bar (10) with one of the blocking recess (31) of tool inclined-plane (32) end when establishing hole (13), this end face that presses bar (30) compresses spring (15), and the inclined-plane (32) of this blocking recess (31) inwall end face is relative with the plane of inclination (23) of this catch bar (20) end.

Clearer, baffle ring (28) on the extension rod section (24) of this catch bar (20), system leans against blocking recess (31) outer surface that presses bar (30), and the inclined-plane (32) that this blocking recess (31) inwall end face is constituted, with plane of inclination (23) the top higher position of lower position correspondence in this catch bar (20).

This promotion collar (40) is that inner system is provided with flange shape block face (41), and mat block face (41) will promote the collar (40) inner area and be divided into two spaces (42), (44), wherein wall is to make the inclined thrust surface that inclines (43) within a space (42), and can set a Returnning spring (45) in another space (44); To promote the collar (40) group in view of the above is located on the extension bar (10), the one end leans against on the location C ring (51) that extension bar (10) set, and the inner set inclined thrust surface that inclines (43) with press bar (30) end and lean on mutually, as for this Returnning spring (45) then an end abut against at extension bar (10) and go up on the set stop washer (52), should promote the collar (40) according to this under normal conditions and be pushed against on the location C ring (51), make that this promotion collar (40) was located.

In view of the above, as long as sleeve (60) is inserted in extension bar (10) one ends easily, blocking steel ball (14) is promptly prolonging the set plane of inclination (22) of catch bar (20) and is sinking and the recess that arrives (21), (press: wall surface of the hole all is provided with the alignment concavity that makes blocking steel ball location within the general sleeve) and when the alignment concavity cover of sleeve (60) endoporus wall during to the receiving hole (12) of extension bar (10), blocking steel ball (14) protrudes and blocking sleeve (60) immediately, makes this sleeve (60) location; During use, the user need not the sincere promotion collar of a hand (40), be inserted in sleeve (60) on the other hand, be particularly advantageous in the user of operation overlength extension bar (10), as long as it grip one of extension bar (10) end on the other hand, drive head is pressed down towards the sleeve (60) of desire use is past, can be inserted in sleeve (60) easily.

When desiring to take off this sleeve (60), see also shown in Figure 4, system will promote the collar (40) and push extension bar (10) one ends to, promote the inclined thrust surface that inclines (43) mat and the relative movement that presses bar (30) end of the collar (40) inside this moment, more penetrate with this extension bar (10) inner (being downward sedimentation shown in the figure) and impel this to press bar (30), move this moment presses the inclined-plane (32) that bar (30) is formed with its blocking recess (31) inwall end face, produce relative movement with the plane of inclination (23) of catch bar (20), this presses the active force that bar (30) moves downward, producing component through inclined-plane (32) acts on the plane of inclination (23), cause this catch bar (20) stressed and outside mobile, when catch bar (20) to extension bar (10) when move the outer end, this two catch (27), (28) spring between (29) promptly is the compression shape, at this moment, this removable catch (28) leans against and presses on bar (30) surface, recess (21) lower that this proper corresponding catch bar of blocking steel ball (14) (20) is set, thus can remove and sleeve (60) between the blocking effect; The more important thing is, catch bar (20) end of moving to extension bar (10) outer end, just can back down this sleeve (60) that is socketed in extension bar (10) end (design of pushing stroke open by mat can make sleeve is unlikely to drop) simultaneously, make things convenient for the user to take off this sleeve (60) easily in view of the above.

So the utility model in the use, tool is passed sleeve (60) automatically and to make things convenient for the user sleeve (60) is taken off on extension bar (10), and obvious this effect of tool not of product structure in the past, so the enforcement of the utility model obviously than before product structure have more progressive and practicability.In addition, the catch bar of the utility model (20) is gone up the set face that inclines (23), is pressed set blocking recess (31) of bar (30) and inclined-plane (32), all symbolic animal of the birth year is when simple and easy structure, makes, that group is established is all quite easy, obviously meets industrial utilization more than former product structure again.

In sum, the utility model at catch bar, press bar and promote on the collar, design the inclined-plane relative clamp, touch structure, make that according to this makings combination of driveshaft is easy easily, and have more the effect that pushes away sleeve automatically on operating.

Claims

1, a kind of sleeve driveshaft structure improvement, system establishes a catch bar and by group on the extension bar and presses bar and constituted, axle was upwards offered a duct among wherein this extension bar lay in an end, and the footpath upwards offers a receiving hole and one group respectively and establishes the hole, and this receiving hole is established the hole with this group and is communicated with this duct respectively, and it is corresponding with this catch bar that a blocking steel ball is set in this receiving hole, and group is established and a spring is set in the hole and presses rod end surface and contact, it is characterized in that: this catch bar one end place system is provided with a plane of inclination, and this presses leverage one end and offers a blocking recess, the wall end face has been made an inclined-plane within this blocking recess, making this press bar according to this is mounted on the extension bar, the set inclined-plane of wall end face is just corresponding with the plane of inclination of catch bar within this blocking recess, the inner end wall surface of a promotion cover ring system is made the inclined thrust surface that inclines in addition, and should promote cover ring set group on extension bar, this inclined thrust surface that inclines just presses the corresponding contact of end face of bar with this.

2, sleeve driveshaft structure improvement according to claim 1, it is characterized in that the inner end of this promotion collar system system is provided with a block face, this block face of mat makes this promotion collar inner area every forming two spaces, and one space wall system is set as the inclined thrust surface that inclines, and just establishes a Returnning spring for group in another space.

3, sleeve driveshaft structure improvement according to claim 1, the plane of inclination that it is characterized in that this catch bar is not held and can have been extended an extension rod and establish, and be equipped with two baffle rings on this extension rod section, and configuration one spring between two baffle rings, and wherein connect the baffle ring that is located at extension rod Duan Weiduan is affixed shape, and another baffle ring then is movable shape.

4, sleeve driveshaft structure improvement according to claim 1 is characterized in that corresponding blocking steel ball on this catch bar surface, can make and be provided with a recess, and this recess one side is the plane of inclination.

5, according to claim 1,3 described sleeve driveshaft structure improvements, it is characterized in that the extension rod section that this catch bar one end is set, is can make to be located at eccentric position.