CN209049596U - T-type plug - Google Patents

Abstract

The utility model discloses a kind of T-type plugs, belong to the field of surface treatment such as spraying plating；Its key points of the technical solution are that including packed column, disk and guide post, one end that guide post connects with packed column is gradually reduced to the direction cross-sectional area far from packed column, and the drafting angle of guide post is 5 ° ~ 30 °；The T-type plug of the utility model is suitable for powder spray, electrophoresis, plating, anodic process plug threaded hole or plain bore and other surface treatment occasions；Aperture and peripheral region surface are covered simultaneously；Both ends are respectively used to hide our two kinds of different size holes；It is recyclable to reuse, good sealing performance；Optional different colours are distinguished, and pick later period classification more convenient；Temperature range: 600 °F of highest (315 °C) is minimum minus 40 °F (- 40 °C)；Material is natural silicon rubber, black EPDM；Reach convenient for T-type plug is conveniently installed into connecting hole, has improved the effect of working efficiency.

Description

T-type plug

Technical field

The utility model relates to spray the field of surface treatment such as plating, more specifically, it is related to a kind of T-type plug.

Background technique

Some auto parts and components are surface-treated after producing, but during the treatment, part top Divide groove or protrusion is coupling part, can not be handled, because the precision of the connection of part is higher, if to connection Groove or protrusion are handled, then small variation has occurred in the size that will lead to groove or protrusion, and then when influence connection Precision, therefore rubber plug or gum cover is needed to be filled or cover groove or protrusion, it prevents not small during being surface-treated The heart handles groove or protrusion, it is ensured that the size of groove and protrusion will not change, and improve precision when part connection.

T-type plug includes packed column and the disk that is fixedly connected with packed column upper end；When using T-type plug, packed column is stretched Enter in connecting hole, and the fitting of the inner wall of the periphery of packed column and connecting hole tightly, is mounted on T-type plug in connecting hole, circle The hole and periphery of connecting hole are blocked in the edge for the connecting hole that disk is then bonded, and prevent surface treatment from involving connection Hole and periphery；T-type plug when in use, in order to guarantee that T-type plug can be stable is mounted in connecting hole, then packed column and connection The comparison of hole cooperation is close, then when T-type plug to be installed into inside connecting hole, it has not been convenient to say that packed column protrudes into connecting hole, lead The inefficiency of work.

Utility model content

In view of the deficienciess of the prior art, passing through draft angle the purpose of this utility model is to provide a kind of T-type plug Degree plays the role of guiding when being installed into connecting hole to T-type plug for 5 ° ~ 30 ° of guide post, facilitates packed column to enter connecting hole, mentions The efficiency of height work.

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

A kind of T-type plug including packed column and is fixedly connected on the disk of packed column upper end, end of the packed column far from disk It is fixedly connected with the guide post of truncated cone-shaped in portion, one end that guide post connects with packed column is to the direction cross section far from packed column Product is gradually reduced, and the drafting angle of guide post is 5 ° ~ 30 °.

By using above-mentioned technical proposal, conventional T-type plug is exactly a packed column and a disk, in order to guarantee T-type Leakproofness when blocking to connecting hole is filled in, so the comparison of packed column and connecting hole cooperation is close, or even belongs to interference fit, leads It causes when installing T-type plug, it has not been convenient to packed column is installed into connecting hole, lead to the inefficiency of work；It is separate in packed column One end of disk is fixedly connected with the guide post of truncated conical shape, and the drafting angle of guide post is 5 ° ~ 30 °, keeps guide post separate One end diameter of packed column is less than the diameter of connecting hole, facilitates guide post to protrude into connecting hole, enters to subsequent packed column To the effect of guiding, the efficiency of installation T-type plug is improved, drafting angle is 5 ° ~ 30 °, and convenient for the manufacture of guide post, and angle is 5 ° ~ 30 °, guide post is made to be able to bear bigger power, the circulation for improving T-type plug benefits from number.

The utility model is further arranged to: being offered circular hole on the disk, is held out against component and be mounted in circular hole；

Holding out against component includes the vertical bar being fixedly connected at the axis of circular hole bottom surface and the cylinder being set on vertical bar, cylinder Upper and lower ends be respectively fixedly connected with baffle ring and fixed ring, the lower end of vertical bar is fixedly connected with annulus；

Shift(ing) ring is arranged on cylinder, and shift(ing) ring can be slided along the axis direction of cylinder；

Push rod is hinged in fixed ring and shift(ing) ring, and adjacent push rod is respectively hinged in fixed ring and shift(ing) ring；

Push rod is hinged with support plate on the end far from fixed ring and shift(ing) ring, connecting rod, connecting rod are also hinged in support plate One end and annulus far from support plate are hinged.

By using above-mentioned technical proposal, packed column and connecting hole can more closely cooperate one in conventional T-type plug It rises, then the frictional force between packed column and connecting hole is larger, and T-type plug is rubber product, so packed column is easy because of friction Power is excessive, causes to leave residue in connecting hole, causes connecting hole there are foreign matter, leads to the accuracy decline in connecting hole；Make now The diameter of packed column is less than the diameter of connecting hole, is installed into connecting hole convenient for packed column, and between packed column and connecting hole Frictional force meeting very little, then packed column will not leave residue in connecting hole, prevent the accuracy decline in connecting hole；

After packed column is installed into connecting hole, cylinder and shift(ing) ring decline are pushed, to make support plate in circular hole Wall force, increases the diameter of packed column, then packed column can block connecting hole, prevents the surface treatment of workpiece to even Hole is connect to impact；And in this process, although increasing frictional force between packed column and connecting hole, not opposite cunning Dynamic, then packed column will not reconnect and leave residue in hole, when removing T-type plug, it is only necessary to cylinder and shift(ing) ring are moved up, Then support plate no longer exerts a force to the inner wall of circular hole, and the diameter of packed column becomes smaller, and facilitates removing for packed column, and packed column and connection There was only less frictional force between hole, therefore residue will not be left in connecting hole, will not influence the precision of connecting hole；

The support plate of shift(ing) ring control plays the role of supplement, if the support plate of cylinder control increases the diameter of packed column When, packed column cannot preferably block connecting hole, then adjust the support plate and circle that shift(ing) ring controls shift(ing) ring at this time The support plate of cylinder control is in same position, and then the support plate with cylinder control moves simultaneously, props up the inner wall of circular hole Support, makes the increase of the diameter of packed column more evenly, is preferably blocked to connecting hole.

The utility model is further arranged to: vertical rectangular opening is offered on the vertical bar, sliding connection in rectangular opening Have a riser, riser can in rectangular opening transverse shifting；

Rectangular opening offers strip hole on the side wall of bottom surface, is equipped with the fixture block being fixedly connected with riser in strip hole；

Riser is far from being fixedly connected with multiple springs, the side of spring one end and rectangular opening far from riser on the side wall of fixture block Wall is fixedly connected.

By using above-mentioned technical proposal, support plate can increase the diameter of packed column after being connected on the inner wall of circular hole, But the inner wall of circular hole also can apply reaction force to support plate at this time, reaction force passes to cylinder by push rod, makes cylinder Trend with rising；Cylinder moves downward, and when support plate is against on the inner wall of circular hole, when the diameter of packed column being made to become larger, Baffle ring can be stuck in the lower end of fixture block, at this moment no longer exert a force to cylinder, cylinder will not be because of on the reaction force that support plate is subject to It rises；Enable support plate is stable to be connected on the inner wall of circular hole.

The utility model is further arranged to: the fixture block offers fillet far from the end top edge of riser.

By using above-mentioned technical proposal, if, when cylinder moves downward, needing that fixture block is made to retract length without fillet In hole, prevent fixture block from causing to interfere to the movement of cylinder, operate it is excessively laborious, fillet can fixture block moved downward in cylinder In the process by fixture block compression and back strip hole, additional operation is not needed, it is convenient and efficient, improve the efficiency of work.

The utility model is further arranged to: the rectangular opening offers the logical of rectangle on the side wall of vertical bar upper end Hole, through-hole is interior to be equipped with the pushing block being fixedly connected with riser.

By using above-mentioned technical proposal, when removing T-type plug out of connecting hole, fixture block is needed to retract in strip hole, Support plate can be made no longer to exert a force to the inner wall of circular hole, the diameter of packed column is reduced, in this process, need to fixture block Force, but fixture block is in circular hole depths, it has not been convenient to it exerts a force to fixture block；Fixture block and pushing block are linked together by riser, are pushed Pushing block can then be such that fixture block retracts in strip hole, convenient and efficient, improve the efficiency of work.

The utility model is further arranged to: the support plate is arcwall face close to the surface of circular-hole internal-wall.

By using above-mentioned technical proposal, if the surface of support plate and circular-hole internal-wall contact is plane, but circular hole Inner wall is curved surface, then support plate will lead to the inner wall discontinuity of circular hole, and then lead to the surface irregularity of packed column, shadow Ring the use of packed column；The surface of support plate is arcwall face, then the power that support plate applies the inner wall of circular hole is relatively uniform, will not The surface irregularity of packed column is caused, the use of packed column will not be impacted.

The utility model is further arranged to: offer vertical sliding slot on the cylinder and vertical bar, shift(ing) ring with And the sliding block that can be slided in sliding slot is fixedly connected on the inner peripheral surface of cylinder.

By using above-mentioned technical proposal, because the surface of cylinder, shift(ing) ring and vertical bar is curved surface, then cylinder and perpendicular It is easy to happen relative rotation between bar and shift(ing) ring and cylinder, and then push rod is caused to be distorted, influences the use of push rod, The cooperation of sliding block and sliding slot can prevent from relatively rotating between cylinder and vertical bar and shift(ing) ring and cylinder, and will not hinder Hinder the movement of cylinder and shift(ing) ring,

The utility model is further arranged to: the upper surface inside edge of the baffle ring offers the locating slot of annular, erects The positioning ring that can stick into locating slot is fixedly connected on bar, and positioning ring is arranged close to the upper end of vertical bar.

By using above-mentioned technical proposal, if when cylinder moves upwards, be easily separated from perpendicular without positioning ring Bar causes to hold out against component not being available；There is positioning ring on vertical bar, when cylinder moves upwards, moves to the upper part of vertical bar When, positioning ring can be stuck in locating slot, be hindered the movement of cylinder, prevented cylinder from moving upwards again, prevented cylinder de- From vertical bar, enable to hold out against component normal use.

The utility model is further arranged to: bolt is threaded on shift(ing) ring, the bottom end of bolt is connected to cylinder On surface.

By using above-mentioned technical proposal, shift(ing) ring needs to be fixed after the completion of adjusting, and prevents shift(ing) ring free movement, Support plate is influenced to the support effect of circular-hole internal-wall；Shift(ing) ring is set on cylinder, and the end of bolt is connected to the table of cylinder On face, so turning bolt can make whether shift(ing) ring is fixed on cylinder, structure is simple and clear, manufacture easy to process, and Easy to operate, occupied space is less.

In conclusion the utility model has the advantages that compared with the prior art

1. being equipped in circular hole and holding out against component, filling can be increased by holding out against component and being connected on the inner wall of circular hole by support plate The diameter of column, enables packed column to block connecting hole, and when disassembling and installing T-type plug, support plate is no longer connected to circle On the inner wall in hole, facilitates the disassembly and installation of T-type plug, and residue will not be left in connecting hole, the precision of connecting hole will not be made At influence；

2. vertical bar is equipped with riser, the upper and lower ends of riser have been respectively fixedly connected with pushing block and fixture block, and fixture block can block circle Cylinder upper end, prevent cylinder because reaction force rise, pushing block can control fixture block, make fixture block no longer cause to hinder to cylinder, Facilitate operation.

Detailed description of the invention

Fig. 1 is the overall structure figure of embodiment；

Fig. 2 is that the structure chart for holding out against component is highlighted in embodiment；

Fig. 3 is that the cross-sectional view for holding out against modular construction is highlighted in embodiment；

Fig. 4 is the cross-sectional view for highlighting riser and vertical bar structure.

In figure: 1, packed column；2, disk；21, circular hole；3, guide post；4, component is held out against；41, vertical bar；411, strip hole； 412, through-hole；42, cylinder；43, baffle ring；431, locating slot；44, fixed ring；45, shift(ing) ring；451, bolt；46, annulus；47, Connecting rod；48, support plate；49, push rod；5, sliding slot；51, sliding block；6, rectangular opening；61, riser；62, fixture block；621, fillet；63, it pushes away Block；64, spring；65, positioning ring.

Specific embodiment

The utility model is described in further detail with reference to the accompanying drawing.The wherein identical attached drawing of identical components Label indicates.It should be noted that word "front", "rear" used in the following description, "left", "right", "up" and "down" refer to It is the direction in attached drawing, word " bottom surface " and " top surface ", "inner" and "outside" are referred respectively to towards or away from particular elements geometry The direction at center.

Embodiment: a kind of T-type plug, as shown in Figure 1, include packed column 1, be fixedly connected on the disk 2 of 1 upper end of packed column with And the guide post 3 for the truncated cone-shaped being fixedly connected with 2 lower end of disk；Guide post 3 is from guide post 3 and 1 junction of packed column far from The direction cross-sectional area of packed column 1 is gradually reduced；And the drafting angle of guide post 3 is 5 ° ~ 30 °；Drafting angle is exactly to add When work manufactures guide post 3, draft is carried out by equipment to guide post 3, so that guide post 3 is become round table-like, and the draft of guide post 3 Face is more smooth；In order to improve packed column 1 to the leakproofness of connecting hole, then the inner surface of the outer surface of packed column 1 and connecting hole pastes The comparison of conjunction is close, then when packed column 1 is installed into connecting hole, it has not been convenient to which the entrance of packed column 1, guide post 3 facilitate filling Column 1 improves the efficiency of installation, disk 2 can block the edge of connecting hole, into one into the connecting hole for needing to fill Step prevents dried lacquer etc. to be ejected into connection hole；5 ° ~ 30 ° of drafting angle enable guide post 3 to play better guiding role, and side Just the manufacture of guide post 3 keeps the structure of guide post 3 more stable, can be improved the recycling number of T-type plug.

As depicted in figs. 1 and 2, circular hole 21 is offered at the center of disk 2, and circular hole 21 gos deep into inside packed column 1, circular hole It is equipped in 21 and holds out against component 4；Component 4 is held out against to include the vertical bar 41 being fixedly connected on 21 bottom surface of circular hole and be arranged vertical bar 41 On cylinder 42, and cylinder 42 can be slided along the axis direction of vertical bar 41；The upper end of cylinder 42 is fixedly connected with baffle ring 43, The lower end of cylinder 42 is fixedly connected with fixed ring 44；It is arranged with shift(ing) ring 45. on cylinder 42 and shift(ing) ring 45 can be along cylinder 42 axis direction sliding；The lower end of vertical bar 41 is fixedly connected with annulus 46, and the bottom surface of the lower surface of annulus 46 and circular hole 21 Fitting；Multiple connecting rods 47 are uniformly fixedly connected on the periphery of annulus 46, and about 47 adjacent connecting rod shifts to install, even Bar 47 is hinged with support plate 48 on the end far from annulus 46, be also hinged with push rod 49 in support plate 48, in adjacent shore plates 48 Push rod 49 be respectively hinged in fixed ring 44 and shift(ing) ring 45；The push rod 49 for being connected and fixed ring 44 and support plate 48 is moved than connection Rotating ring 45 and 49 length of the push rod of support plate 48 are longer；Cylinder 42 moves downward, and drives the upper end motion of push rod 49, then drives branch Fagging 48 moves downward, but connecting rod 47 is hinged in support plate 48, so support plate 42 is in the common of connecting rod 47 and push rod 49 Lower can do to the direction far from vertical bar 41 of effect moves, then to make support plate 42 be connected on the inner wall of circular hole 21, therefore supports Plate 42 can strut packed column 1 from inside, increase the diameter of packed column 1, make being fitted in connecting hole tightly of packed column 1, increase Add leakproofness, and the surface that support plate 42 and circular hole 21 contact is arcwall face, and support plate 42 can be made to apply 21 side wall of circular hole Power it is average, so that packed column 1 is smoothly expanded.

As shown in figure 3, vertical sliding slot 5 is offered on the outer circumference surface of vertical bar 41 and cylinder 42,45 He of shift(ing) ring Sliding block 51 is fixedly connected on the inner surface of cylinder 42, sliding block 51 can slide up and down in sliding slot 5, because shift(ing) ring 45, The surface of cylinder 42 and vertical bar 41 is curved surface, then shift(ing) ring 45 is on cylinder 42 and cylinder 42 is easy hair on vertical bar 41 Raw rotation, makes push rod 49 and connecting rod 47 be distorted, and leads to hold out against component 4 being unable to normal use；The cooperation of sliding slot 5 and sliding block 51 It can prevent shift(ing) ring 45 and cylinder 42 from rotating, anti-throw-out lever 49 and connecting rod 47 are distorted, and sliding slot 5 is vertically arranged, Sliding block 51 can slide in sliding slot 5, therefore sliding block 51 and sliding slot 5 will not hinder sliding up and down for shift(ing) ring 45 and cylinder 42.

As shown in figure 3, offer vertical rectangular opening 6 in vertical bar 41, it is equipped with riser 61 in rectangular opening 6, and riser 61 The inner wall of lower end and rectangular opening 6 is hinged, and 62 fixture block 62 of fixture block is fixedly connected on riser 61 and is arranged close to the lower end of riser 61, is erected The strip hole 411 stretched out for fixture block 62 is offered on bar 41 respectively；And the end top edge of the protrusion strip hole 411 of fixture block 62 is opened Equipped with fillet 621；Cylinder 42 moves down, and cylinder 42 can work as circle in 62 compression and back strip hole 411 of fixture block during moving When cylinder drives the movement of push rod 49 to be connected to support plate 48 on the inner wall of circular hole 21, the lower section that baffle ring 43 is in fixture block 62 is blocked at this time Block 62 can prevent cylinder 42 from moving upwards, and be supported on circular hole 21 so that support plate 48 be enable to stablize；And on shift(ing) ring 45 Bolt 451 is threaded on outer circumference surface, the end of bolt 451 is connected on the surface of cylinder 42, and turning bolt 451 can Shift(ing) ring 45 is fixed.

As shown in figure 3, riser 61 is fixedly connected on the side wall of upper end is connected with pushing block 63, offering on vertical bar 41 can The through-hole 412 stretched out for pushing block 63；And multiple springs 64 are fixedly connected on side wall of the riser 61 far from pushing block 63, spring 64 is remote One end from pushing block 63 is fixedly connected with the inner wall of rectangular opening 6, when needing to remove T-type plug, presses pushing block 63, then pushing block 63 Riser 61 is driven to move, riser 61 drives fixture block 62 to move, and retracts fixture block 62 in strip hole 411, then fixture block 62 is no longer to circle Cylinder 42 causes to hinder, and cylinder 42 can be pulled to rise, and then supports support plate 48 no longer to the inner wall of circular hole 21, makes packed column 1 diameter becomes original diameter again, convenient for removing for T-type plug, then no longer exerts a force to pushing block 63, then riser 61 is in spring 64 Again become vertical under effect, pushing block 63 is made to stretch out through-hole 412 again.

As shown in Figures 2 and 3, the upper end of riser 61 is fixedly connected with positioning ring 65, and positioning ring 65 is in pushing block 63 Lower section, the upper surface of baffle ring 43 offers the locating slot 431 that can accommodate positioning ring 65, when cylinder 42 moves upwards, if do not had Positioning ring 65, then cylinder 42 is easy to be detached from riser 61 from the upper end of riser 61, and causing to hold out against component 4 can not normal use；Positioning Ring 65 is fixed on riser 61, and after cylinder 42 moves upward to certain distance, positioning ring 65 is in locating slot 431, stops circle Cylinder 42 continues up, and prevents cylinder 42 to be detached from riser 61, enables to hold out against 4 normal use of component.

Specifically used mode: making cylinder 42 be in the upper part of vertical bar 41 before installing T-type plug first, then again into The installation of row T-type plug after installing, pushes cylinder 42 to move downward, then cylinder 42 pushes a part of support plate 48 to through-hole 412 Inner wall be supported, increase packed column 1 diameter, so that packed column 1 is blocked connecting hole, keep T-type plug right Connecting hole is blocked, and then pushes shift(ing) ring 45 still further below, make the support plate 48 of another part to the inner wall of circular hole 21 into Row support, and then the inner wall of circular hole 21 can be made by more support forces, so that packed column 1 be made preferably to carry out to connecting hole It blocks.

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 (9)

1. a kind of T-type plug, it is characterised in that: including packed column (1) and it is fixedly connected on the disk (2) of packed column (1) upper end, Packed column (1) is far from being fixedly connected with the guide post (3) of truncated cone-shaped on the end of disk (2), guide post (3) and packed column (1) The one end to connect is gradually reduced to the direction cross-sectional area far from packed column (1), and the drafting angle of guide post (3) is 5 ° ~ 30 °.

2. T-type plug according to claim 1, it is characterised in that: offer circular hole (21) on the disk (2), hold out against group Part (4) is mounted in circular hole (21)；

Described hold out against component (4) include being fixedly connected on the vertical bar (41) at circular hole (21) bottom surface central axes and being set in vertical bar (41) cylinder (42) on, the upper and lower ends of cylinder (42) have been respectively fixedly connected with baffle ring (43) and fixed ring (44), vertical bar (41) lower end is fixedly connected with annulus (46)；

It is arranged with shift(ing) ring (45) on the cylinder (42), and shift(ing) ring (45) can be sliding along the axis direction of cylinder (42) It is dynamic；

It is hinged with push rod (49) on the fixed ring (44) and shift(ing) ring (45), and adjacent push rod (49) is respectively hinged at admittedly Determine on ring (44) and shift(ing) ring (45)；

The push rod (49) is hinged with support plate (48) on the end far from fixed ring (44) and shift(ing) ring (45), support plate (48) On be also hinged with connecting rod (47), one end and annulus (46) far from support plate (48) of connecting rod (47) are hinged.

3. T-type plug according to claim 2, it is characterised in that: offer vertical rectangular opening on the vertical bar (41) (6), sliding is connected with riser (61) in rectangular opening (6), and riser (61) can slide laterally in rectangular opening (6)；

The rectangular opening (6) offers strip hole (411) on the side wall of bottom surface, is equipped in strip hole (411) and riser (61) fixture block (62) being fixedly connected；

The riser (61) on the side wall of fixture block (62) far from being fixedly connected with multiple springs (64), and spring (64) is far from riser (61) one end is fixedly connected with the side wall of rectangular opening (6).

4. T-type plug according to claim 3, it is characterised in that: end top of the fixture block (62) far from riser (61) Edge offers fillet (621).

5. T-type plug according to claim 3, it is characterised in that: side wall of the rectangular opening (6) close to riser (61) upper end On offer the through-hole (412) of rectangle, be equipped with the pushing block (63) being fixedly connected with riser (61) in through-hole (412).

6. T-type plug according to claim 2, it is characterised in that: table of the support plate (48) close to circular hole (21) inner wall Face is arcwall face.

7. T-type plug according to claim 2, it is characterised in that: offered on the cylinder (42) and vertical bar (41) Being fixedly connected on the inner peripheral surface of vertical sliding slot (5), shift(ing) ring (45) and cylinder (42) can slide in sliding slot (5) Dynamic sliding block (51).

8. T-type plug according to claim 2, it is characterised in that: the upper surface inside edge of the baffle ring (43) offers The locating slot (431) of annular is fixedly connected with the positioning ring (65) that can stick into locating slot (431) on vertical bar (41), and positions Ring (65) is arranged close to the upper end of vertical bar (41).

9. T-type plug according to claim 2, it is characterised in that: be threaded with bolt (451), spiral shell on shift(ing) ring (45) The bottom end of bolt (451) is connected on the surface of cylinder (42).