CN208663647U - The auxiliary device of tappet assembly - Google Patents

Abstract

The utility model provides the auxiliary device of tappet assembly.The auxiliary device includes locating piece, for connecting with the cylinder head of assembly tappet, there is the mounting hole of the tappet in the cylinder head；Auxiliary member is movably arranged on the locating piece；The auxiliary member includes the first auxiliary member and the second auxiliary member, offered on first auxiliary member tappet can wear by first through hole, when the locating piece is connected in the cylinder head, the first through hole and the mounting hole are concentric, second auxiliary member is mounted on the first through hole wall, second auxiliary member is placed on tappet position in the first through hole before being used to limit assembly, and second auxiliary member is also used to assist the tappet to be transitioned into the mounting hole from the first through hole when assembling.The auxiliary device, reduces the difficulty of tappet assembly, to improve the efficiency of tappet assembly.

Description

The auxiliary device of tappet assembly

Technical field

The utility model relates to technical field of transportation means, in particular to a kind of auxiliary device of tappet assembly.

Background technique

Air valve tappet of engine is placed in cylinder head, the position of the mounting hole corresponding with valve tappet in cylinder head and hang down Histogram has minimum fit clearance in a certain angle between tappet and mounting hole.

It is general to be assembled by people with the single completion one by one of hand in the assembling process of tappet, assemble relatively difficult, efficiency Also relatively low.

Utility model content

In order to overcome the deficiencies in the prior art described above, the utility model provides a kind of auxiliary device of tappet assembly.

To achieve the goals above, technical solution provided by the utility model embodiment is as follows:

In a first aspect, the utility model provides a kind of auxiliary device of tappet assembly, the auxiliary device includes:

Locating piece has the mounting hole of the tappet for connecting with the cylinder head of assembly tappet on the object；

Auxiliary member is movably arranged on the locating piece；The auxiliary member includes the first auxiliary member and the second auxiliary Part, offer on first auxiliary member tappet can wear by first through hole, be connected in the locating piece described When in cylinder head, the first through hole and the mounting hole are concentric, and second auxiliary member is mounted on the first through hole wall, Second auxiliary member is used to limit assemble before be placed on tappet position in the first through hole, second auxiliary member is also used In assembly when assist the tappet to be transitioned into the mounting hole from the first through hole.

Further, the locating piece be positioning plate, the positioning plate include for accommodate the holding part of the auxiliary member, For connecting the positioning region of the positioning plate and the object；The positioning region includes at least two settings on the positioning plate Positioning pin；The holding part is matched with the shape of the auxiliary member.

Further, the quantity of the auxiliary member is matched with the mounting hole, and to be multiple, and the positioning plate is fixed for rectangle Position plate, the holding part according to the distance between the mounting hole matched distance be arranged in the two of the rectangle positioning plate On the edge of long side, handle is mounted on the edge of two short sides of the rectangle positioning plate.

Further, the corresponding accommodating of 4 auxiliary members is respectively arranged on the edge of two long sides Portion.

Further, opened up on first auxiliary member there are two the identical tappet can wear by it is first logical Hole.

First auxiliary member further includes the positioning pin for adjusting the angle of first auxiliary member, so that described first Through-hole is consistent and concentric with the angle of the mounting hole.

Further, second auxiliary member includes transition piece and fixing piece, and it is auxiliary that the fixing piece is fixed on described first In assistant piece, the transition piece is mounted on the first through hole wall by the fixing piece.

The transition piece is bearing, and first auxiliary member is also provided with the second through-hole, and second through-hole one end is in institute It states on the through-hole wall of first through hole, the other end of second through-hole on first auxiliary member surface, put by the bearing portions It sets in second through-hole, another part of the bearing can be contacted with the tappet.

Further, the fixing piece includes interconnecting piece and fixed part, and described interconnecting piece one end is fixed with the bearing Axis, the other end of the interconnecting piece are connected on the fixed part, and the fixed part is mounted on first auxiliary member.

Further, the other end of the interconnecting piece opens up fluted, and installation has elastic component in the groove, the bullet Property element connects the other end and the fixed part of the interconnecting piece.

The auxiliary assembling apparatus of tappet provided by the utility model is connected by the cylinder head of the locating piece and assembly tappet It connects, tappet is mapped with the mounting hole in the cylinder head of assembly tappet by the auxiliary member, and can be by described auxiliary Tappet is transitioned into mounting hole by assistant piece, and multiple auxiliary members can be set to correspond to multiple mounting holes.By described auxiliary Device is helped, the difficulty of tappet assembly is reduced, also improves the efficiency of tappet assembly.

To enable the above objects, features, and advantages of the utility model to be clearer and more comprehensible, the utility model reality is cited below particularly Example is applied, and cooperates appended attached drawing, is described in detail below.

Detailed description of the invention

It, below will be to use required in embodiment in order to illustrate more clearly of the technical solution of the utility model embodiment Attached drawing be briefly described.It should be appreciated that the following drawings illustrates only some embodiments of the utility model, therefore should not be by Regard the restriction to range as, for those of ordinary skill in the art, without creative efforts, may be used also To obtain other relevant attached drawings according to these attached drawings.

Fig. 1 is the auxiliary device schematic structural diagram of the first embodiment of tappet provided by the embodiment of the utility model assembly；

Fig. 2 is the auxiliary device schematic structural diagram of the second embodiment of tappet provided by the embodiment of the utility model assembly；

Fig. 3 is the auxiliary device 3rd embodiment structural schematic diagram of tappet provided by the embodiment of the utility model assembly；

Fig. 4 is the auxiliary device fourth embodiment structural schematic diagram of tappet provided by the embodiment of the utility model assembly；

Fig. 5 is the 5th example structure schematic diagram of auxiliary device of tappet provided by the embodiment of the utility model assembly.

Icon: 20- auxiliary device；21- locating piece；210- holding part；The positioning region 211-；212- handle；2110- positioning Pin；22- auxiliary member；The first auxiliary member of 220-；2201- first through hole；The first positioning pin of 2202-；The second through-hole of 2203-；221- Second auxiliary member；2210- bearing；2211- interconnecting piece；2212 fixed parts；2213- elastic element.

Specific embodiment

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe.Obviously, described embodiment is only a part of the embodiment of the utility model, rather than all Embodiment.The component of the utility model embodiment being usually described and illustrated herein in the accompanying drawings can be matched with a variety of different It sets to arrange and design.

Therefore, requirement is not intended to limit to the detailed description of the embodiments of the present invention provided in the accompanying drawings below The scope of the utility model of protection, but it is merely representative of the selected embodiment of the utility model.Reality based on the utility model Apply example, those skilled in the art's every other embodiment obtained without making creative work belongs to The range of the utility model protection.

It should also be noted that similar label and letter indicate similar terms in following attached drawing, therefore, once a certain Xiang Yi It is defined in a attached drawing, does not then need that it is further defined and explained in subsequent attached drawing.

In the description of the present invention, it should be noted that term " in ", "upper", "lower", "horizontal", "inner", "outside" The orientation or positional relationship of equal instructions is to be based on the orientation or positional relationship shown in the drawings or the utility model product uses When the orientation or positional relationship usually put, be merely for convenience of describing the present invention and simplifying the description, rather than indicate or It implies that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore should not be understood as Limitations of the present invention.In addition, term " first ", " second " etc. be only used for distinguish description, and should not be understood as instruction or Imply relative importance.

In addition, the terms such as term "horizontal", "vertical" are not offered as requiring component abswolute level or pendency, but can be slightly Low dip.It is not to indicate that the structure has been had to if "horizontal" only refers to that its direction is more horizontal with respect to for "vertical" It is complete horizontal, but can be slightly tilted.

In the description of the present invention, it should be noted that unless otherwise clearly defined and limited, term " is set Set ", " connected ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or integrally Connection.It can be mechanical connection, be also possible to be electrically connected.It can be directly connected, the indirect phase of intermediary can also be passed through Even, it can be the connection inside two elements.For the ordinary skill in the art, can be understood with concrete condition above-mentioned The concrete meaning of term in the present invention.

With reference to the accompanying drawing, it elaborates to some embodiments of the utility model.In the absence of conflict, under The feature in embodiment and embodiment stated can be combined with each other.

Fig. 1 is please referred to, is a kind of structural schematic diagram of tappet provided by the utility model, tappet is that one kind is installed on and starts Device on machine belongs to valve train component, and tappet is the driven member of engine overhead cam, and the effect of tappet is will to come from cam Movement and active force be transmitted to push rod or valve, while the lateral force applied also subject to cam and by lateral force be transmitted to body or Cylinder head.According to the difference of the working principle of tappet, two class of mechanical tappets and hydraulic tappet can be divided into.The utility model is by base Introducing in the characteristics of tappet assists the tappet to be installed to device and detailed implementation process in cylinder head.

It referring to figure 2., is a kind of 20 structure chart of auxiliary device of tappet assembly provided by the utility model, the auxiliary dress It sets including locating piece 21 and auxiliary member 22, the auxiliary member 22 is movably arranged on the locating piece 21.

Wherein, the locating piece 21 is used to connect with the cylinder head of assembly tappet, there is the tappet in the cylinder head Mounting hole.

Wherein, the auxiliary member 22 includes the first auxiliary member 220 and the second auxiliary member 221, on first auxiliary member 220 Offer the tappet can wear by first through hole 2201, when the locating piece is connected in the cylinder head, institute It states first through hole 2201 and the mounting hole is concentric, second auxiliary member 221 is mounted on 2201 wall of first through hole, institute The second auxiliary member 221 is stated for being placed on tappet position in the first through hole 2201 before limit assembly, described second assists Part 221 is also used to assist the tappet to be transitioned into the mounting hole from the first through hole 2201 in assembly.

Tappet is mapped with the mounting hole in the cylinder head of assembly tappet by the auxiliary member 22, and can be passed through The auxiliary member 22 being transitioned into mounting hole gradually by tappet, and multiple auxiliary members 22 can be set to correspond to multiple peaces Fill hole.By the auxiliary device 20, the difficulty of tappet assembly is reduced, also improves the efficiency of tappet assembly.

Optionally, the locating piece 21 can be positioning plate, or other being capable of the movable installation auxiliary member 22, and the locating piece that can be connect with cylinder head.

- Fig. 5 referring to figure 3., is positioning plate structure schematic diagram provided by the embodiment of the utility model, and the positioning plate includes Holding part 210 for accommodating the auxiliary member 22, the positioning region 211 for connecting the positioning plate and the cylinder head；Institute Stating positioning region 211 includes at least two positioning pins 2110 being arranged on the positioning plate；The holding part 210 and the auxiliary The shape of part 22 matches.

Wherein, the position of described two positioning pins 2110 can be specifically arranged according to the structure of cylinder head, make the positioning Plate can be connect with the cylinder head.A kind of optional embodiment are as follows: the positioning region 211 includes two and is arranged described fixed Positioning pin 2110 on the plate of position, the positioning pin 2110 are arranged in the both ends of the positioning plate, have in the cylinder head corresponding The positioning pin 2110 is correspondingly connected with, so that the positioning plate be connected with the cylinder head by location hole with the location hole.

The holding part 210 is matched with the shape of the auxiliary member 22, so that the auxiliary member 22 movable can be installed On the holding part 210.It should be noted that the auxiliary member 22 can be independent two parts, institute with the positioning plate It states auxiliary member 22 and the locating piece 21 can adjust separately position relative to the cylinder head.

Optionally, the quantity of the auxiliary member 22 is matched with the mounting hole, and to be multiple, and the positioning plate is fixed for rectangle Position plate, the holding part 210 are arranged according to the distance between the mounting hole matched distance of institute in the rectangle positioning plate Two long sides edge on, be mounted on handle 212 on the edge of two short sides of the rectangle positioning plate.

Wherein, the quantity of the auxiliary member 22 is matched with the mounting hole, indicates the quantity of the auxiliary member 22 according to gas The quantity of tappet needed for cylinder determines that the mounting hole can have multiple, first through hole 2201 and institute on the auxiliary member 22 The number for stating mounting hole is corresponding.

A kind of optional set-up mode of the locating piece 21: the positioning plate is rectangle positioning plate, the holding part 210 Number be 8, wherein on the edge of 4 the first long sides that the rectangle positioning plate is arranged in, in addition 4 are arranged in the square On the edge of second long side of shape positioning plate, on four holding parts 210 and second long side in first long side Four holding parts 210 on the distance between distance and the mounting hole match so that the auxiliary member 22 corresponds to Tappet mounting hole on cylinder.

Optionally, opened up on first auxiliary member 220 there are two the identical tappet can wear by it is first logical Hole 2201.The quantity of the first through hole 2201 on first auxiliary member 220 can be arranged according to actual demand, this reality With new embodiment by taking the quantity of the first through hole 2201 is two as an example.

Handle 212 is mounted on the edge of two short sides of rectangle positioning plate, the handle 212 can be used for described The movement and placement of positioning plate, the handle 212 can be fixed by screws on the rectangle positioning plate, can also with it is described Rectangle positioning plate is integrally formed setting.On the both ends for installing the handle 212, intake valve and exhaust valve can also be set, with The operating for cooperating cylinder, makes the auxiliary device 20 not influence the function of cylinder.

It optionally, is auxiliaring piece structure schematic diagram provided by the embodiment of the utility model, institute referring once again to Fig. 3-Fig. 5 Stating the first auxiliary member 22 includes the first positioning pin 2202 for adjusting the angle of first auxiliary member 220, so that described One through-hole 2201 is consistent and concentric with the angle of the mounting hole.

Wherein, first positioning pin 2202 can be set on 220 bottom end of the first auxiliary member, also can be set The position of other positions, setting can determine that first positioning pin 2202 can be with shadow according to the tappet and the mounting hole Ring the fit clearance between the tappet and the mounting hole.

First auxiliary member 220 is mainly used for tappet described in transition from the first through hole 2201 to the mounting hole In, and in the assembly of tappet, the gap between the tappet and the mounting hole requires.The first through hole 2201 It needs to regulate in advance with the position of the mounting hole, to meet the requirement in gap, and under actual assembly environment, usually produce The angle of the mounting hole of product is not necessarily fixed, it is possible to which it is logical to go to fix described first by first positioning pin 2202 The angles and positions in hole 2201, to realize that the first through hole 2201 is consistent and concentric with the angle of the mounting hole.

Optionally, second auxiliary member 221 includes transition piece and fixing piece, and it is auxiliary that the fixing piece is fixed on described first 220 in assistant piece, the transition piece is mounted on the first through hole wall by the fixing piece.

Wherein, the structure of the fixing piece can be arranged according to the transition piece, and the effect of the fixing piece is by institute Transition piece is stated to be mounted on 2201 wall of first through hole.The transition piece is mounted on 2201 wall of first through hole, in institute When stating tappet and being placed in the first through hole 2201, the transition piece can play the role of limit；It is assembled in the tappet When, the transition piece can play the role of tappet described in slow transition, it is ensured that the accuracy of assembling process.

For the transition piece, due to carry out limit and transition to the tappet, so the transition piece can be energy The rotary body of mechanical part is enough supported, and can reduce the coefficient of friction of mechanical part during the motion, such as all kinds of rollings Part, such as idler wheel, pulley, in the utility model embodiment, chosen axis is made as the transition piece.

Wherein, the bearing can be sliding bearing, deep groove ball bearing etc., and the utility model embodiment is with deep groove ball bearing For, deep groove ball bearing is that a kind of manufacturing cost is low, and precision is high, does not need to be regularly maintained, size range also biggish bearing.When When deep groove ball bearing has biggish radial internal clearance, biggish load can be born, service life is long.

The mode that the bearing 2210 is mounted on the first through hole wall 2201 may is that in first auxiliary member The second through-hole 2203 is also provided on 220, described second through-hole, 2203 one end is on the through-hole wall of the first through hole 2201, institute The other end of the second through-hole 2203 is stated on 220 surface of the first auxiliary member, the bearing 2210 is partially disposed in described second In through-hole 2203, another part of the bearing 2210 can be contacted with the tappet.

The mode that the bearing 2210 is mounted on 2201 wall of first through hole is also possible to: in first auxiliary member Upper 220 open up groove, described groove one end on the through-hole wall of the first through hole 220, the groove other end be it is closed, It can not be placed in the groove on the surface of first auxiliary member 220, the bearing 2210, the bearing 2210 can Touch the tappet.

Referring to figure 5., after in order to ensure bearing installation, the stability and stability of structure is kept, institute can be installed additional Fixing piece is stated, the fixing piece can be specifically arranged according to the installation site of bearing 2210, with the first of above-mentioned bearing 2210 For kind mounting means, the fixing piece may include interconnecting piece 2211 and fixed part 2212, and described 2211 one end of interconnecting piece is solid Surely there is the axis of the bearing 2210, the other end of the interconnecting piece 2211 is connected on the fixed part 2212, the fixed part 2212 are mounted on first auxiliary member 220.

The fixed part 2212 can be fixed on first auxiliary member 220 by standard component such as screw, bolt etc., Described 2211 one end of interconnecting piece can also pass through the axis of the fixed bearing 2210 of the standard component.

The mode that the other end of the interconnecting piece 2211 is connected on the fixed part 2212 may is that the interconnecting piece 2211 other end opens up fluted, and installation has elastic component 2213 in the groove, and the elastic element connects the connection The other end in portion and the fixed part 2212.Wherein, the elastic element 2213 can be all kinds of springs, such as helical spring, The helical spring can be round wires helical spring.The elastic element 2213 can make the bearing 2210 and the fixing piece There is certain activity between 2212.

Above-mentioned to have made detailed introduction to the structure of the auxiliary device 20, the utility model embodiment is also provided and is endured The specific embodiment of column assembly, is below described the process of the assembly.

Satisfactory valve tappet is selected according to matching requirements first.Wherein, the valve tappet can be by the people that works Member rule of thumb selects satisfactory.Because the tappet quantity and specification that different cylinders may need are all different, The tappet of corresponding number and corresponding specification is first selected according to cylinder.

Then the valve tappet is put into the first through hole 2201 of auxiliary device 20 of tappet assembly.Wherein, it is putting When entering in the first through hole 2201, second auxiliary member 221 can play position-limiting action to the tappet, avoid the tappet Skid off the first through hole 2201.

Then the auxiliary device 20 equipped with the valve tappet is fixed with cylinder head again.Wherein, the auxiliary dress Setting 20 can be fixed by the locating piece 21 with the cylinder head.

Then the valve tappet is transitioned into corresponding mounting hole in the cylinder head by the auxiliary device 20 again In.As an alternative embodiment, the detailed process of the transition may is that

Adjust the angle of the first through hole 2201 with the mounting hole first so that the first through hole 2201 with it is described The angle of mounting hole is consistent and concentric；

The valve tappet is transitioned into the mounting hole from the first through hole 2201 again.

Wherein, the first through hole 2201 can be by adjusting first auxiliary member 220 with the angle of the mounting hole On positioning pin change, the angle also will affect the gap between tappet and the mounting hole.

During installation, the tappet can be pushed into respectively by the corresponding mounting hole by dedicated tappet boosting tool In, when pushing away the tappet, due to the effect of second auxiliary member 221, between second auxiliary member 221 and the tappet Frictional force can be generated, under the booster action, the tappet being pushed into the mounting hole gradually, to complete the tappet Assembly.If the tappet may directly be fallen into the mounting hole without second auxiliary member 221, it is not able to satisfy The demand of assembly.

After having executed above-mentioned assembling process, can also by staff to after assembly the tappet and the cylinder head It is checked, to ensure that the assembly of the tappet meets the requirements.

In conclusion the auxiliary assembling apparatus of tappet provided by the utility model cooperates this reality as a kind of auxiliary tool With the assembly method of the tappet of novel offer, the difficulty of tappet assembly is reduced, to improve the efficiency of assembly.

The above description is only the embodiments of the present invention, is not intended to limit the utility model, for this field Technical staff for, various modifications and changes may be made to the present invention.Within the spirit and principle of the utility model, Any modification, equivalent replacement, improvement and so on should be included within the scope of protection of this utility model.

Claims (10)

1. a kind of auxiliary device of tappet assembly characterized by comprising

Locating piece has the mounting hole of the tappet for connecting with the cylinder head of assembly tappet in the cylinder head；

Auxiliary member is movably arranged on the locating piece；The auxiliary member includes the first auxiliary member and the second auxiliary member, institute State offered on the first auxiliary member the tappet can wear by first through hole, be connected to the cylinder head in the locating piece When upper, the first through hole and the mounting hole are concentric, and second auxiliary member is mounted on the first through hole wall, and described Two auxiliary members are used to limit assemble before be placed on tappet position in the first through hole, second auxiliary member is also used to filling Timing assists the tappet to be transitioned into the mounting hole from the first through hole.

2. the auxiliary device of tappet assembly according to claim 1, which is characterized in that the locating piece is positioning plate, institute State positioning plate include for accommodating the holding part of the auxiliary member, the positioning for connecting the positioning plate and the cylinder head Portion；The positioning region includes at least two positioning pins being arranged on the positioning plate；The holding part and the auxiliary member Shape matching.

3. the auxiliary device of tappet according to claim 2 assembly, which is characterized in that the quantity of the auxiliary member with it is described Mounting hole matching, and to be multiple, the positioning plate be rectangle positioning plate, the holding part according between the mounting hole away from From it is matched with a distance from the rectangle positioning plate is set two long sides edge on, two short sides of the rectangle positioning plate Edge on be mounted on handle.

4. the auxiliary device of tappet assembly according to claim 3, which is characterized in that on the edge of two long sides It is respectively arranged with the corresponding holding part of 4 auxiliary members.

5. the auxiliary device of tappet assembly according to claim 4, which is characterized in that offered on first auxiliary member Two identical tappets can wear by first through hole.

6. the auxiliary device of tappet assembly according to claim 1, which is characterized in that first auxiliary member further includes using In the positioning pin for the angle for adjusting first auxiliary member, so that the first through hole is consistent with the angle of the mounting hole.

7. the auxiliary device of tappet assembly according to claim 1, which is characterized in that second auxiliary member includes transition Part and fixing piece, the fixing piece are fixed on first auxiliary member, and the transition piece is mounted on institute by the fixing piece It states on first through hole wall.

8. the auxiliary device of tappet assembly according to claim 7, which is characterized in that the transition piece is bearing, described First auxiliary member is also provided with the second through-hole, and second through-hole one end is on the through-hole wall of the first through hole, and described second The other end of through-hole is on first auxiliary member surface, and the bearing portions is placed in second through-hole, the bearing Another part can be contacted with the tappet.

9. the auxiliary device of tappet according to claim 8 assembly, which is characterized in that the fixing piece include interconnecting piece and Fixed part, described interconnecting piece one end are fixed with the axis of the bearing, and the other end of the interconnecting piece is connected on the fixed part, The fixed part is mounted on first auxiliary member.

10. the auxiliary device of tappet assembly according to claim 9, which is characterized in that the other end of the interconnecting piece is opened Equipped with groove, installation has elastic component in the groove, and the elastic element connects the other end of the interconnecting piece and described solid Determine portion.