CN105251661B - Oiling frock and oiling method suitable for shock absorber buffer stopper - Google Patents

Abstract

The invention discloses a kind of oiling frock and oiling method suitable for shock absorber buffer stopper, oiling frock includes oil nozzle fixed seat and oil nozzle, and to accommodate the cavity of grease, oil nozzle is connected with oil nozzle fixed seat, and is used for outside discharge grease for the inside of oil nozzle fixed seat.The buffer stopper oiling method of the present invention, uniform to buffer stopper both ends smearing grease using special oiling frock, oiling effect is good, and the oil mass smeared is easily controlled, and is avoided wasting, is also improved smearing efficiency.

Description

Oiling frock and oiling method suitable for shock absorber buffer stopper

Technical field

The invention belongs to technical field of tooling clamps, specifically, the present invention relates to a kind of suitable for shock absorber buffer stopper Oiling frock and oiling method.

Background technology

As depicted in figs. 1 and 2, the shock absorber on automobile includes cylinder barrel 1, piston rod 2, buffer stopper 3, the and of dust cover 4 Upper support assembly 5, upper support assembly 5 are arranged at the upper end of piston rod 2, and buffer stopper 3 is sheathed on piston rod 2 and is located at upper support Between assembly 5 and cylinder barrel 1, buffer stopper 3 and the inside for being located at dust cover 4.Buffer stopper plays a part of buffer limit, compressible change Shape, buffer stopper are that periphery has the cylindrical structural of multiple tracks annular groove 39, its inside center have axially through centre bore 37, and the end contacted with upper support assembly of buffer stopper is cylindric, the end end face is plane, the end contacted with cylinder barrel For circular cone shape, the end end face is arc surface.

On buffer stopper at cylindric and both ends of circular cone shape 31,32 and the inwall of centre bore 37 need to smear lubrication The grease of effect, currently used method smear grease manually to be artificial using hairbrush.In this way, grease is smeared Oil mass is difficult to control, and grease smearing is uneven, and oiling effect is poor.

The content of the invention

The present invention provides a kind of oiling frock and oiling method suitable for shock absorber buffer stopper, it is therefore an objective to improves buffer stopper end Portion's oiling effect.

To achieve these goals, the technical scheme taken of the present invention is：Suitable for the oiling frock of shock absorber buffer stopper, bag Include：

Oil nozzle fixed seat, its internal cavity for receiving grease；And

First oil nozzle, it is connected with oil nozzle fixed seat, and is used for outside discharge grease.

The oil nozzle fixed seat includes push rod, the tray that is arranged at the top of push rod and is arranged at tray top surface and is annular Bulge loop, bulge loop is connected with first oil nozzle.

First oil nozzle includes the oil nozzle body being sheathed on the bulge loop and is arranged on oil nozzle body and is used to insert Enter the boss in buffer stopper centre bore, oil nozzle body and boss are provided with oil outlet.

The top of the oil nozzle body is provided with the first storage tank of the cylindric end for accommodating buffer stopper, and the boss is set At the center of the first storage tank.

Present invention also offers a kind of oiling method suitable for shock absorber buffer stopper, including step：

(1) above-mentioned oiling frock is provided；

(2) buffer stopper is positioned in oiling frock, grease is smeared to the cylindric end of buffer stopper.

Present invention also offers a kind of oiling frock suitable for shock absorber buffer stopper, including：

Oil nozzle fixed seat, its internal cavity for receiving grease；And

Second oil nozzle, it is connected with oil nozzle fixed seat, and is used for outside discharge grease.

The oil nozzle fixed seat includes push rod, the tray that is arranged at the top of push rod and is arranged at tray top surface and is annular Bulge loop, bulge loop is connected with second oil nozzle.

There is the 3rd accommodating cavity connected with the inner chamber of the oil nozzle fixed seat, on the second oil nozzle inside second oil nozzle Provided with the oil outlet connected with the 3rd accommodating cavity.

The top of second oil nozzle is provided with the second storage tank of the circular cone shape end for accommodating buffer stopper, on the second oil nozzle Oil outlet connected between the second storage tank and the 3rd accommodating cavity and with the second storage tank and the 3rd accommodating cavity.

Present invention also offers a kind of oiling method suitable for shock absorber buffer stopper, including step：

(1) above-mentioned second of oiling frock is provided；

(2) buffer stopper is positioned in oiling frock, grease is smeared to the circular cone shape end of buffer stopper.

The buffer stopper oiling method of the present invention, it is uniform to buffer stopper both ends smearing grease using special oiling frock, apply Oily effect is good, and the oil mass smeared is easily controlled, and is avoided wasting, is also improved smearing efficiency.

Brief description of the drawings

This specification includes the following drawings, and shown content is respectively：

Fig. 1 is the structural representation of shock absorber；

Fig. 2 is the sectional view of buffer stopper；

Fig. 3 is the sectional view of the first oiling frock；

Fig. 4 is the sectional view of second of oiling frock；

Fig. 5 is the sectional view of the first oil nozzle；

Fig. 6 is the top view of the first oil nozzle；

Fig. 7 is A-A sectional views in Fig. 6；

Fig. 8 is the sectional view of the second oil nozzle；

Fig. 9 is the top view of the second oil nozzle；

Figure 10 is the sectional view of oil nozzle fixed seat；

Figure 11 is the use state figure that oiling is carried out to the cylindric end of buffer stopper；

Figure 12 is the use state figure that oiling is carried out to the circular cone shape end of buffer stopper；

In figure mark for：

1st, cylinder barrel；2nd, piston rod；3rd, buffer stopper；31st, cylindric end；32nd, circular cone shape end；33rd, first end face； 34th, second end face；35th, external cylindrical surface；36th, outer conical surface；37th, centre bore；38th, inner cylinder face；39th, annular groove；310th, circular arc mistake Cross face；4th, dust cover；5th, upper support assembly；6th, the first oil nozzle；61st, oil nozzle body；62nd, boss；63rd, the first oil outlet；64th, Two oil outlets；65th, the first accommodating cavity；66th, the second accommodating cavity；67th, the first storage tank；68th, the first contact surface；69th, the second contact Face；610th, the first roof；611st, internal thread；7th, the second oil nozzle；71st, the 3rd oil outlet；72nd, the 3rd accommodating cavity；73rd, the 4th is fuel-displaced Hole；74th, the second storage tank；75th, the 3rd contact surface；76th, the 4th contact surface；77th, the second roof；78th, internal thread；8th, oil nozzle is fixed Seat；81st, push rod；82nd, tray；83rd, bulge loop；84th, the 4th accommodating cavity；85th, the 5th accommodating cavity；86th, limited block；87th, sensor block； 88th, fuel feed hole；9th, bearing；10th, back-moving spring；11st, grease pump；12nd, oil storage barrel；13rd, proximity switch.

Embodiment

Below against accompanying drawing, by the description to embodiment, embodiment of the invention is made further details of Explanation, it is therefore an objective to help those skilled in the art to have more complete, accurate and deep reason to design of the invention, technical scheme Solution, and contribute to its implementation.

The invention provides a kind of oiling frock and oiling method suitable for shock absorber buffer stopper, for such as Fig. 1 and Fig. 2 Two ends of shown buffer stopper 3 carry out oiling.

Specifically, as depicted in figs. 1 and 2, buffer stopper 3 is the cylindrical structural that periphery has multiple tracks annular groove 39, its Inside center have axially through centre bore 37, the end contacted with upper support assembly 5 of buffer stopper 3 is cylindric end 31, the outer surface of cylindric end 31 has first end face 33, external cylindrical surface 35 and arc-shaped transitional surface 310, and first end face 33 is Circular flat, external cylindrical surface 35 and first end face 33 are coaxial, and cylindric end 31 has a fillet, formed positioned at first end face 33 with Arc-shaped transitional surface 310 between external cylindrical surface 35.The end contacted with cylinder barrel 1 of buffer stopper 3 is circular cone shape end 32, circular cone The outer surface of mesa-shaped end 32 has second end face 34 and outer conical surface 36, and second end face 34 is parallel with first end face 33 Circular flat and both are coaxial, outer conical surface 36 is the surface of revolution coaxial with outer conical surface 35, and outer conical surface 36 has miner diameter end And bigger diameter end, the miner diameter end of outer conical surface 36 are connected with the edge of second end face 34, bigger diameter end and the annular groove 39 of outer conical surface 36 It is adjacent.Centre bore 37 inside buffer stopper 3 is the circular hole axially through setting, and the inner surface at centre bore 37 has and first The internal conical surface 38 of end face inward flange connection.The outer surface of the cylindric end 31 of buffer stopper 3, the appearance of circular cone shape end 32 Need to smear grease on face and inner cylinder face 38, or fat is only applied oil in certain one end, grease plays lubrication, and buffer stopper 3 is smeared Refill and be fitted on shock absorber after grease.

The invention provides two kinds of oiling frocks, are respectively used to the cylindric end 31 and circular cone shape end to buffer stopper 32 smear grease.As shown in figure 3, it is the first oiling frock provided by the invention, for the cylindric end 31 to buffer stopper Grease is smeared, the first oiling frock includes the oil nozzle 6 of oil nozzle fixed seat 8 and first, and the inside of oil nozzle fixed seat 8 is oily to accommodate The cavity of fat；First oil nozzle 6 and oil nozzle fixed seat 8 are detachable connection, and are used for outside discharge grease.

As shown in figure 3, the first oiling frock also includes bearing 9, bearing 9 is fixed setting, and oil nozzle fixed seat 8 is set In on bearing 9 and with bearing 9 to be slidably connected.As shown in Figure 10, oil nozzle fixed seat 8 includes push rod 81, is arranged at push rod 81 and pushes up The tray 82 in portion and be arranged at the top surface of tray 82 and for annular bulge loop 83, bulge loop 83 be used for be connected with the first oil nozzle 6, tray 82 are used to play position-limiting action below the first oil nozzle 6.

As preferable, push rod 81 is cylindrical structural, has certain length, and tray 82 is disc-shaped structure, bulge loop 83 be the cirque structure of inner hollow, and push rod 81, tray 82 and the three of bulge loop 83 are coaxially connected into a single integrated structure.Oil nozzle is consolidated The internal cavities of reservation 8 include being arranged at the 4th accommodating cavity 84 inside push rod 81 and the 5th accommodating cavity positioned at the center of bulge loop 83 85, the 4th accommodating cavity 84 is the circular cavity that the top surface formation of push rod 81 is axially inside extended in push rod 81, and the 5th is accommodating Chamber 85 is surrounded by bulge loop 83 and formed, and the 5th accommodating cavity 85 is located at the top of the 4th accommodating cavity 84 and both connections, the 5th accommodating cavity 85 It is and coaxial with the 4th accommodating cavity 84.In the side wall of push rod 81 and provided with a fuel feed hole for allowing grease to enter in the 4th accommodating cavity 84 88, the fuel feed hole 88 be along push rod 81 carry out through the side wall of push rod 81 set circular hole, the accommodating cavity 84 of fuel feed hole 88 and the 4th Connection.

As shown in figure 3, the first oiling frock also includes being used for the fueller for providing grease into oil nozzle fixed seat 8, Push rod 81 at fuel feed hole 88 and peripheral hardware fueller, the fueller include be used for store grease oil storage barrel 12 and be used for Grease in oil storage barrel 12 is delivered to the grease pump 11 of oil nozzle fixed seat 8, the structure of grease pump 11 is such as people in the art As well known to member, it will not be repeated here.The oil inlet of grease pump 11 is connected by oil pipe with oil storage barrel 12, grease pump 11 Oil-out is connected by oil pipe with the fuel feed hole 88 on push rod 81, and grease pump 11 operates, by the grease quantitative in oil storage barrel 12 It is delivered in the inner chamber of oil nozzle fixed seat 8.

As preferable, as shown in figure 3, the first oiling frock also includes being arranged at the close of the lower section of oil nozzle fixed seat 8 Switch 13, the bottom of oil nozzle fixed seat 8 have the sensor block 87 coordinated with proximity switch 13.Sensor block 87 is used as trigger signal Source, proximity switch 13 are engaged the common collection and output for completing signal with sensor block 87.Sensor block 87 is fixedly installed on push rod 81 bottom, and it is located adjacent to the top of switch 13.Proximity switch 13 and sensor block 87 coordinate the common collection for completing signal with Output, the mechanical part that proximity switch 13 itself contacts without needs with sensor block 87, proximity switch 13 are less likely to be damaged, and use the longevity Life length, so as to improve reliability.The structure of proximity switch 13 as well known in the skilled person, herein not Repeat again.

It is the controller electrically connected, proximity switch 13 that the first oiling frock, which is also included with proximity switch 13 and grease pump 11, Controller is outputed signal to, the signal control grease pump 11 that controller exports according to proximity switch 13 carries out corresponding actions.It is close Switch 13 is vertically arranged at the lower section of sensor block 87, and oil nozzle fixed seat 8 acts on oil to be vertically arranged when there is downward active force When in mouth fixed seat 8, oil nozzle fixed seat 8 can be for linear motion downwards on bearing 9.Oil nozzle fixed seat 8 comes downwards to lower dead center During position, sensor block 87 is in the range of proximity switch 13 can detect, and proximity switch 13 detects sensor block 87, now Proximity switch 13 has signal output, and then sending instruction by controller operates to grease pump 11, grease pump 11, to having been filled with grease Oil nozzle fixed seat 8 in continue convey grease, so as to make grease finally outwards be extruded through the first oil nozzle 6.

As shown in figure 3, the first oiling frock also includes being sheathed on push rod 81 and answered for what oil nozzle fixed seat 8 resetted Position spring 10 and the limited block 86 for being sheathed on push rod 81 and being fixedly connected with push rod 81, limited block 86 are located at tray 82 and sensing Between block 87, back-moving spring 10 between limited block 86 and sensor block 87, fuel feed hole 88 be located at tray 82 and limited block 86 it Between.Back-moving spring 10 and limited block 86 and positioned at bearing 9 endoporus, push rod 81 pass through bearing 9 endoporus, back-moving spring 10 it is upper End contacts with limited block 86, and lower end contacts with the block set in the endoporus of bearing 9.Sensor block 87 is located at the lower section of bearing 9, sensing The size of block 87 is more than the diameter of bore of bearing 9, and sensor block 87 can play position-limiting action in oil nozzle 8 upward return of fixed seat. Back-moving spring 10 is used to apply the active force that moves up to oil nozzle fixed seat 8, when the external world put in oil nozzle fixed seat 8 to After lower active force disappears, in the presence of back-moving spring 10, oil nozzle fixed seat 8 drives the first oil nozzle 6 thereon to move up, when When sensor block 87 contacts with bearing 9, illustrate that oil nozzle fixed seat 8 returns to initial position, and the first oil nozzle 6 no longer outwards tells oil Fat.

As shown in Figures 5 to 7, the first oil nozzle 6 of the first oiling frock includes the oil nozzle body being sheathed on bulge loop 83 61 and it is arranged on oil nozzle body 61 and the boss 62 in the centre bore 37 for inserting buffer stopper, oil nozzle body 61 and boss 62 It is provided with oil outlet, the oil outlet on oil nozzle body 61 is the first oil outlet 63, and the oil outlet on boss 62 is the second oil outlet 64.Oil nozzle body 61 and boss 62 are cylindrical structural, both and be coaxial.The overall diameter of boss 62 is slightly less than buffer stopper The diameter of centre bore 37, the diameter of the overall diameter and tray 82 of oil nozzle body 61 are roughly equal.

As preferable, oil nozzle body 61 be threadedly coupled, facilitates the first oil nozzle 6 and oil nozzle fixed seat 8 with bulge loop 83 Installation and removal.As shown in Figure 3 and Figure 5, the inside center of oil nozzle body 61 is provided with the connected with the inner chamber of oil nozzle fixed seat 8 One accommodating cavity 65, the first accommodating cavity 65 are to be extended axially upward since the bottom surface of oil nozzle body 61 to oil nozzle body 61 Circular cavity, the 5th accommodating cavity 85 is between the first accommodating cavity 65 and the 4th accommodating cavity 84, the first accommodating cavity 65 and with Five accommodating cavities 85 and the 4th accommodating cavity 84 are coaxial.Inner cylinder face in first accommodating cavity 65 is provided with internal thread 611, accordingly convex The external cylindrical surface of ring 83 is provided with the external screw thread coordinated with internal thread 611.The top of first accommodating cavity 65 is oil nozzle body 61 First roof 610, the first oil outlet 63 are arranged on the first roof 610, and the first oil outlet 63 is along the axle with oil nozzle body 61 The circular hole that the first roof 610 is set is run through in the parallel direction of line, and the first oil outlet 63 connects with the first accommodating cavity 65 of lower section, the Grease in one accommodating cavity 65 can flow outwardly through the first oil outlet 63.

First oil nozzle 6 is for being used in cylindric 31 oiling of end to buffer stopper, as preferable, such as Fig. 5 extremely Shown in Fig. 7, the top of oil nozzle body 61 is provided with the first storage tank 67 of the cylindric end 31 for accommodating buffer stopper, the first storage tank 67 be at the end face center of oil nozzle body 61 extend axially downward to the circular groove inside oil nozzle body 61, first The lower section of storage tank 67 is the first roof 610, and boss 62 is arranged at the center of the first storage tank 67, and with the first roof 610 It is fixedly and coaxially connected.First oil outlet 63 between the first storage tank 67 and the first accommodating cavity 65, the first oil outlet 63 and with First storage tank 67 connects with the first accommodating cavity 65, and the grease flowed out through the first oil outlet 63 finally flow to the first storage tank 67 In.

As shown in Figures 5 to 7, the shape of the cylindric end 31 of the shape of the first storage tank 67 and buffer stopper matches, The inner surface of first storage tank 67 includes the first contact surface 68 and and cylinder being bonded with the first end face 33 of cylindric end 31 The second contact surface 69 that the arc-shaped transitional surface 310 of shape end 31 is bonded；First contact surface 68 is the top surface of the first roof 610, and For the circular flat roughly equal with the area of first end face 33；Second contact surface 69 is justified for the shape identical of arc-shaped transitional surface 310 Cambered surface, the lower edge of the second contact surface 69 are connected with the outward flange of the first contact surface 68.

As shown in Figures 5 to 7, boss 62 is stretched out in outside oil nozzle body 61, the top surface of boss 62 and the bottom of oil nozzle body 61 The distance between face is more than the distance between top surface and bottom surface of oil nozzle body 61.Have and first at the inside center of boss 62 Accommodating cavity 65 connect the second accommodating cavity 66, the second accommodating cavity 66 be at the center of the first roof 610 axially upward The circular cavity extended to inside boss 62, the second accommodating cavity 66 is located at the top of the first accommodating cavity 65 and both are coaxial.Boss 62 On the second oil outlet 64 be arranged on the cylindrical side wall of boss 62, second oil outlet 64 is to be extended radially through along with boss 62 The circular hole that side wall is set, the second oil outlet 64 simultaneously connect with the second accommodating cavity 66, and the outside of the second oil outlet 64 is accommodating for first Groove 67.It can be flowed outwardly into the grease in the second accommodating cavity 66 through the second oil outlet 64, so as to the centre bore to buffer stopper Inner cylinder face 38 in 37 carries out oiling.

As shown in Figures 5 to 7, the first oil outlet 63 and the second oil outlet 64 are the less circular hole in aperture, and first is fuel-displaced Hole 63 can surround boss 62 on the first roof 610 and set multi-turn, and the first oil outlet 63 respectively enclosed is evenly equipped with multiple, and is located at The distance between two neighboring first oil outlet 63 on same RADIAL is equal.Second oil outlet 64 is in the side wall of boss 62 It has been evenly distributed multiple.In the present embodiment, the first oil outlet 63 is provided with 3 circles altogether on the first roof 610, positioned at most interior One circle of side sets 8 the first oil outlets 63, and two circles set 16 the first oil outlets 63 respectively in addition, and the second oil outlet 64 is convex 8 are evenly distributed in the side wall of platform 62, porous fuel-displaced, uniformity is good, can improve oiling effect.

As shown in Figures 5 to 7, the first storage tank 67 is set on oil nozzle body 61, on the one hand can be used for existing to buffer stopper Being positioned during oiling, it is ensured that buffer stopper putting position is correct, is favorably improved oiling effect, on the other hand can accommodate grease, Prevent grease from outwards overflowing, avoid causing to waste.Moreover, the overall diameter of boss 62 is arranged to the centre bore 37 for being slightly less than buffer stopper Diameter, it is ensured that left between boss 62 and inner cylinder face 38 accommodate grease gap, improve oiling effect.

As shown in figure 4, it is second of oiling frock provided by the invention, for being applied to the circular cone shape end 32 of buffer stopper Put the oil fat, second of oiling frock includes the oil nozzle 7 of oil nozzle fixed seat 8 and second, and the inside of oil nozzle fixed seat 8 is accommodates grease Cavity；Second oil nozzle 7 and oil nozzle fixed seat 8 are detachable connection, and are used for outside discharge grease.Such as Fig. 8 and Fig. 9 institutes Show, the second oil nozzle 7 is cylindrical structural, and the second oil nozzle 7 is sheathed on bulge loop 83 and is threadedly coupled with bulge loop 83, so as to convenient With the installation and removal of oil nozzle fixed seat 8.The inside center of second oil nozzle 7, which is provided with, has what is connected with the inner chamber of oil nozzle fixed seat 8 3rd accommodating cavity 72, the oil outlet connected with the 3rd accommodating cavity 72 is additionally provided with the second oil nozzle 7.3rd accommodating cavity 72 is from second The bottom surface of oil nozzle 7 starts the circular cavity extended axially upward to inside the second oil nozzle 7, and the 5th accommodating cavity 85 holds positioned at the 3rd Between putting the accommodating cavity 84 of chamber 72 and the 4th, the 3rd accommodating cavity 72 is simultaneously coaxial with the 5th accommodating cavity 85 and the 4th accommodating cavity 84.3rd Inner cylinder face in accommodating cavity 72 be provided with the identical internal thread 78 of internal thread 611, set on the external cylindrical surface of bulge loop 83 External screw thread can also be engaged with internal thread 78.The top of 3rd accommodating cavity 72 is the second roof 77, and oil outlet is arranged at second On roof 77, oil outlet is along the circular hole for running through the setting of the second roof 77 with the direction of the diameter parallel of the second oil nozzle 7, oil outlet Connected with the 3rd accommodating cavity 72 of lower section, the grease in the 3rd accommodating cavity 72 can flow outwardly through oil outlet.

As shown in Figure 8 and Figure 9, the top of the second oil nozzle 7 is provided with the second of the circular cone shape end 32 for accommodating buffer stopper and held Put groove 74, the second storage tank 74 be at the end face center of the second oil nozzle 7 extend axially downward to the second oil nozzle 7 Circular groove, the second roof 77 is between the second storage tank 74 and the 3rd accommodating cavity 72.Fuel-displaced hole position on second oil nozzle 7 Connected between the second storage tank 74 and the 3rd accommodating cavity 72, and with the second storage tank 74 and the 3rd accommodating cavity 72, through oil outlet The grease of outflow is finally flow in the second storage tank 74.

As shown in Figure 8 and Figure 9, the shape of the second storage tank 74 and the shape phase of the circular cone shape end 32 of buffer stopper Match somebody with somebody, the inner surface of the second storage tank 74 include the 3rd contact surface 75 being bonded with the second end face 34 of circular cone shape end 32 and with The 4th contact surface 76 that the outer conical surface 36 of circular cone shape end 32 is bonded；3rd contact surface 75 is circular flat, and the 4th contacts Face 76 is the shape identical circular conical surface of outer conical surface 36, the lower edge of the 4th contact surface 76 and the outward flange of the 3rd contact surface 75 Connection.

As shown in Figure 8 and Figure 9, second storage tank 74 is set in the second oil nozzle 7, on the one hand can be used for applying buffer stopper Positioned when oily, it is ensured that buffer stopper putting position is correct, is favorably improved oiling effect, on the other hand can accommodate grease, prevents Only grease outwards overflows, and avoids causing to waste.

As preferable, as shown in Figure 8 and Figure 9, the oil outlet set on the second roof 77 can set multiple.Consider Inner surface corresponding to the circular cone shape end 32 of buffer stopper at centre bore 37 is not required to smear grease, is only applied in outer conical surface 36 Put the oil fat, therefore oil outlet is concentrated on the 4th contact surface 76.Oil outlet simultaneously sets multi-turn in the second roof 77, and that respectively encloses is fuel-displaced The length scale in hole is different, and for two adjacent rings oil outlet, the fuel-displaced hole length in outer ring is more than fuel-displaced in inner ring Hole length.In the present embodiment, two are set to iris out oilhole altogether on the second roof 77, the oil outlet positioned at inner ring is the 3rd oil outlet 71, the oil outlet positioned at outer ring is the 4th oil outlet 73, and the 3rd oil outlet 71 is located at the edge of the 3rd contact surface 75, and the 3rd goes out The oil outlet 73 of oilhole 71 and the 4th is to prolong since on the 4th contact surface 76 along the direction parallel with the axial direction of the second oil nozzle 7 The bottom surface of the second roof 77 is extended, so as to be connected with the 3rd accommodating cavity 72 and the second storage tank 74.The length of 3rd oil outlet 71 Less than the length of the 4th oil outlet 73, the quantity of the 3rd oil outlet 71 is equal with the quantity of the 4th oil outlet 73, and each 3rd Oil outlet 71 is on the RADIAL of the second oil nozzle 7 with the 4th oil outlet 73.In the present embodiment, the 3rd oil outlet 71 16 are evenly distributed with the 4th oil outlet 73, porous fuel-displaced, uniformity is good, can improve oiling effect.

As shown in Figure 3 and Figure 4, the first oiling frock and second oiling frock only difference is that the first oil nozzle 6 Different with the structure of the second oil nozzle 7, remaining part is identical, will not be repeated here.

Embodiment one

A kind of oiling method suitable for shock absorber buffer stopper is present embodiments provided, for slow to as depicted in figs. 1 and 2 The cylindric end 31 for rushing block carries out oiling, and the oiling method includes the steps：

(1) the first oiling frock shown in Fig. 3 is provided；

First oil nozzle 6 of the first oiling frock is installed on the bulge loop 83 of oil nozzle fixed seat 8, and screws the first oil nozzle 6。

(2) buffer stopper is positioned in the first oiling frock, grease is smeared to the cylindric end 31 of buffer stopper；

The detailed process of step (2) is：Buffer stopper is positioned over the first oil nozzle 6 with cylindric 31 state directed downwardly of end In first storage tank 67, and boss 62 is set to insert in the centre bore 37 of buffer stopper, buffer stopper is in vertical state；Then press down on Buffer stopper, buffer stopper push down on oil nozzle fixed seat 8 and the first oil nozzle 6 thereon, and oil nozzle fixed seat 8 comes downwards to bottom dead center position When, sensor block 87 is in the range of proximity switch 13 can detect, and proximity switch 13 detects sensor block 87, now approaches Switch 13 has signal output, and then sending instruction to grease pump 11, grease pump 11 by controller operates, to the oil for having been filled with grease Continue to convey grease in mouth fixed seat 8, continuous discharge grease in the first oil outlet 63 and the second oil outlet 64 of the first oil nozzle 6, On grease and the first end face 33, arc-shaped transitional surface 310 and the inner cylinder face 38 that are bonded on the cylindric end 31 of buffer stopper.Oil nozzle is consolidated Reservation 8 need to keep a period of time in bottom dead center position, while buffer stopper is rotated to an angle along its axis, and the angular range is 10 degree to 30 degree, smear the cylindric surface grease of end 31 uniform.After grease is smeared, cancellation is put on buffer stopper Pressing force, oil nozzle fixed seat 8 reset in the presence of back-moving spring 10, and grease pump 11 shuts down, fuel-displaced on the first oil nozzle 6 Hole no longer outwards spues grease.

After above-mentioned two step, grease has been smeared in the cylindric end 31 of buffer stopper, and grease smears uniform, oiling effect Fruit is good, and oiling efficiency is also high, also a saving oil mass.

Embodiment two

A kind of oiling method suitable for shock absorber buffer stopper is present embodiments provided, for slow to as depicted in figs. 1 and 2 The circular cone shape end 32 for rushing block carries out oiling, and the oiling method includes the steps：

(1) second of oiling frock as shown in Figure 4 is provided；

Second oil nozzle 7 of second of oiling frock is installed on the bulge loop 83 of oil nozzle fixed seat 8, and screws the second oil nozzle 7。

(2) buffer stopper is positioned in second of oiling frock, grease is smeared to the circular cone shape end 32 of buffer stopper；

The detailed process of step (2) is：Buffer stopper is positioned over the second oil nozzle 7 with 32 state directed downwardly of circular cone shape end The second storage tank 74 in, buffer stopper is in vertical state；Then buffer stopper is pressed down on, buffer stopper pushes down on oil nozzle fixed seat 8 and the second oil nozzle 7 thereon, when oil nozzle fixed seat 8 comes downwards to bottom dead center position, sensor block 87 is in proximity switch 13 and can visited In the range of measuring, proximity switch 13 detects sensor block 87, and now proximity switch 13 has signal output, is then sent out by controller Go out instruction to operate to grease pump 11, grease pump 11, continue to convey grease, the second oil into the oil nozzle fixed seat 8 for having been filled with grease Continuous discharge grease in 3rd oil outlet 71 of mouth 7 and the 4th oil outlet 73, grease are simultaneously bonded at buffer stopper circular cone shape end 32 On second end face 34 and outer conical surface 36 on.Oil nozzle fixed seat 8 need to be kept a period of time in bottom dead center position, while will buffering Block rotates to an angle along its axis, and the angular range is 10 degree to 30 degree, smears the surface grease of circular cone shape end 32 equal It is even.After grease is smeared, cancel the pressing force put on buffer stopper, oil nozzle fixed seat 8 is in the presence of back-moving spring 10 Reset, grease pump 11 shuts down, and the oil outlet on the second oil nozzle 7 no longer outwards spues grease.

After above-mentioned two step, grease has been smeared in the circular cone shape end 32 of buffer stopper, and grease smears uniform, oiling Effect is good, and oiling efficiency is also high, also a saving oil mass.

The present invention is exemplarily described above in association with accompanying drawing.Obviously, present invention specific implementation is not by above-mentioned side The limitation of formula.As long as employ the improvement of the various unsubstantialities of inventive concept and technical scheme of the present invention progress；Or not It is improved, the above-mentioned design of the present invention and technical scheme are directly applied into other occasions, in protection scope of the present invention Within.

Claims (3)

1. the oiling frock suitable for shock absorber buffer stopper, it is characterised in that including：

Oil nozzle fixed seat, its internal cavity for receiving grease；

First oil nozzle, it is detachable connection with oil nozzle fixed seat, and is used for outside discharge grease；And

Bearing, oil nozzle fixed seat are arranged on bearing and are slidably connected with bearing；

Wherein, buffer stopper be cylindrical structural of the periphery with multiple tracks annular groove and inside center with axially through center Hole, the end contacted with the upper support assembly of shock absorber on buffer stopper is cylindric end, and the outer surface of cylindric end has First end face, external cylindrical surface and arc-shaped transitional surface, first end face are circular flat, and external cylindrical surface is coaxial with first end face, cylinder Shape end has fillet, the arc-shaped transitional surface formed between first end face and external cylindrical surface, the inner surface tool of central hole There is the inner cylinder face being connected with first end face inward flange；

Oil nozzle fixed seat is arranged on bearing and is slidably connected with bearing, and oil nozzle fixed seat includes push rod, is arranged at push rod top The tray in portion and be arranged at tray top surface and for annular bulge loop, tray is disc-shaped structure, and bulge loop is cirque structure, top Bar, tray and bulge loop three are coaxially connected into a single integrated structure；

Back-moving spring that oiling frock also includes being sheathed on push rod and resetting for oil nozzle fixed seat, be sheathed on push rod and with The limited block that push rod is fixedly connected, the fueller for providing grease into oil nozzle fixed seat, it is arranged under oil nozzle fixed seat The proximity switch and controller of side；

Fueller includes being used to store the oil storage barrel of grease and for the grease in oil storage barrel to be delivered into oil nozzle fixed seat Grease pump, the oil inlet of grease pump are connected by oil pipe with oil storage barrel, and the oil-out of grease pump passes through set by oil pipe and push rod Fuel feed hole connection, grease pump operating, the grease quantitative in oil storage barrel is delivered in the inner chamber of oil nozzle fixed seat；

Sensor block is fixedly installed on the bottom of push rod and is located adjacent to the top of switch, and proximity switch coordinates common complete with sensor block Into the collection and output of signal, for controller with proximity switch and grease pump to electrically connect, proximity switch outputs signal to controller, The signal control grease pump that controller exports according to proximity switch carries out corresponding actions；

Limited block is between tray and sensor block, and for back-moving spring between limited block and sensor block, fuel feed hole is located at tray Between limited block, back-moving spring and limited block are located in the endoporus of bearing, and the upper end of back-moving spring contacts with limited block, reset The lower end of spring contacts with the block set in bearing endoporus, and sensor block is located at the lower section of bearing, and the size of sensor block is more than branch The diameter of bore of seat, sensor block can play position-limiting action in the upward return of oil nozzle fixed seat, and back-moving spring is used to consolidate oil nozzle Reservation applies the active force moved up, after the down force that the external world is put in oil nozzle fixed seat disappears, is resetting bullet In the presence of spring, oil nozzle fixed seat drives the first oil nozzle thereon to move up, and when sensor block contacts with bearing, illustrates oil nozzle Fixed seat returns to initial position, and the first oil nozzle no longer outwards tells grease；

First oil nozzle includes oil nozzle body and is arranged on oil nozzle body and is used for the boss inserted in buffer stopper centre bore, oil nozzle Body and boss are provided with oil outlet；The top of oil nozzle body is provided with the first storage tank of the cylindric end for accommodating buffer stopper, Boss is arranged at the center of the first storage tank, the shape of the first storage tank and the shape phase of the cylindric end of buffer stopper Match somebody with somebody, the inner surface of the first storage tank include the first contact surface being bonded with the first end face of the cylindric end of buffer stopper and with circle Second contact surface of the arc-shaped transitional surface fitting of cylindrical end；

When carrying out oiling to buffer stopper, buffer stopper is vertically placed on the first oil nozzle of oiling frock and positioned, then downwards Buffer stopper is pressed, buffer stopper pushes down on oil nozzle fixed seat and the first oil nozzle thereon, and oil nozzle fixed seat comes downwards to lower dead center position When putting, sensor block is in the range of proximity switch can detect, and proximity switch detects sensor block, and now proximity switch has Signal output, instruction is then sent to grease pump by controller, grease pump operating, into the oil nozzle fixed seat for have been filled with grease after Continuous conveying grease, so as to make grease finally outwards be spued through the first oil nozzle, and is bonded at the end of buffer stopper.

2. the oiling frock according to claim 1 suitable for shock absorber buffer stopper, it is characterised in that the oil nozzle body with The bulge loop is threaded connection.

3. the oiling method suitable for shock absorber buffer stopper, it is characterised in that including step：

(1) the oiling frock described in claim 1 is provided；

(2) buffer stopper is positioned in oiling frock, grease is smeared to the cylindric end of buffer stopper.