CN109751357A - A kind of guider and inverted plug type monotubular shock absorber - Google Patents
A kind of guider and inverted plug type monotubular shock absorber Download PDFInfo
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- CN109751357A CN109751357A CN201910111582.3A CN201910111582A CN109751357A CN 109751357 A CN109751357 A CN 109751357A CN 201910111582 A CN201910111582 A CN 201910111582A CN 109751357 A CN109751357 A CN 109751357A
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- resilient sleeve
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Abstract
The present invention relates to antivibration area, disclosing a kind of guider and inverted plug type monotubular shock absorber, the guider includes housing, and the bushing in the housing；The bushing includes neck bush and resilient sleeve, and the resilient sleeve is located between the neck bush and the housing；The neck bush can move along the radial and squeezing the resilient sleeve makes the resilient sleeve that flexible deformation occur, for absorbing and eliminating horizontal force suffered by the guider.When generating horizontal force between neck bush and piston rod, piston rod will squeeze neck bush, the present invention, which squeezes resilient sleeve by neck bush, makes resilient sleeve that flexible deformation occur to absorb the horizontal force between neck bush and piston rod, to eliminate the horizontal force between piston rod and guider, the service life of inverted plug type monotubular shock absorber is improved.
Description
Technical field
The present invention relates to antivibration area more particularly to a kind of guiders and inverted plug type monotubular shock absorber.
Background technique
The ability that monotubular shock absorber bears transverse load is poor, therefore under the application for having action of lateral load usually
Using inverted plug type monotubular shock absorber.It is arranged outer cylinder in the lower end of monotubular shock absorber, the working cylinder of inverted plug type monotubular shock absorber
Piston rod passes through the cylinder body that guider extendes back out working cylinder, and the bottom of outer cylinder is fixed on by nut.
And when monotubular shock absorber is with larger stroke motion, laterally make between piston rod and guider there may be biggish
Firmly.It is horizontal since there are gaps between working cylinder and outer cylinder and when inverted plug type monotubular shock absorber is by action of lateral load
It can be also transferred to piston rod to load, lead between piston rod and guider that there are horizontal forces.And in piston rod and guiding
There are will lead to following problems occur when horizontal force between device: 1, piston rod is by biggish bending load；2, guider
The repetition friction that one or more fixed-directions are generated between piston rod and the contact surface of guider, easily causes piston rod surface to damage
Wound；3, it is equipped with oil sealing between piston rod and guider, the repetition of one or more fixed-directions is generated between piston rod and oil sealing
Friction, easily causes oil seal failure.
The above problem will lead to the failure of inverted plug type monotubular shock absorber, and therefore, how providing one kind can eliminate or reduce
The guider of horizontal force between piston rod and guider is an important technical problem.
Summary of the invention
The purpose of the present invention is to provide a kind of guider and inverted plug type monotubular shock absorbers, are able to solve existing inverted plug type list
There are problems that relatively larger transverse active force between the piston rod and guider of cylinder damper.
To achieve this purpose, the present invention adopts the following technical scheme:
A kind of guider, including housing, and the bushing in the housing；The bushing includes neck bush and elasticity
Set, the resilient sleeve are located between the neck bush and the housing；
The resilient sleeve, which is extruded, can occur flexible deformation, make for absorbing and eliminating transverse direction suffered by the guider
Firmly.
As a kind of optimal technical scheme of guider, the resilient sleeve is made of rubber.
As a kind of optimal technical scheme of guider, the bushing further includes external bushing, and the external bushing is located in institute
It states between resilient sleeve and the housing.
It is described to put on outside equipped with the first mounting hole, first mounting hole as a kind of optimal technical scheme of guider
Lower part be equipped with slide plate, the both ends of the slide plate be connected to respectively described neck bush one end end face and first mounting hole it is interior
Wall.
As a kind of optimal technical scheme of guider, the lower end of the pressing plate is connected to the external bushing, and by described
Housing carries out axial limiting to the upper end of the pressing plate.
It is described to put on the upper end progress axial direction being formed with to the pressing plate outside as a kind of optimal technical scheme of guider
First limit plate of limit；
Or, being put on outside described equipped with the first protrusion, the pressing plate is equipped with the first pressure for being inserted into first protrusion
Point slot.
As a kind of optimal technical scheme of guider, the neck bush is located at the lower section of the pressing plate, the neck bush
Upper surface and the pressing plate do not contact.
As a kind of optimal technical scheme of guider, the neck bush is equipped with the second mounting hole, second installation
Hole lower part is equipped with the first guide sleeve, and one end of first guide sleeve is connected to second inner wall of the hole installing, and by described
Slide plate carries out axial limiting to the other end of first guide sleeve.
Further, second mounting hole top is equipped with oil sealing, and one end of the oil sealing is connected to second installation
Hole inner wall, and axial limiting is carried out by the other end of the pressing plate to the oil sealing.
The present invention also provides a kind of inverted plug type monotubular shock absorbers, including above-mentioned guider, further includes:
Working cylinder comprising cylinder body is set to the intracorporal piston of the cylinder, and one end is connected to the piston and the other end passes through
The neck bush and the piston rod for being pierced by the cylinder body, the guider are set in the cylinder body；
One end of outer cylinder, the working cylinder is inserted into the outer cylinder and can be moved axially relative to the outer cylinder, described
One end that piston rod is pierced by the cylinder body is connected to the outer cylinder.
As a kind of optimal technical scheme of inverted plug type monotubular shock absorber, it is equipped between the outer cylinder and the outer wall of cylinder block
Second guide sleeve.
Beneficial effects of the present invention: when above-mentioned guider is applied to inverted plug type monotubular shock absorber, piston rod is through interior
It bushing and can move along its axis.When in piston rod movement stroke, larger and piston rod movement velocity is very fast, piston rod fortune
It moves unstable easily generate to tilt, horizontal force can be generated between piston rod and neck bush；There is horizontal force to act on
When working cylinder, working cylinder will will drive guider and move radially, and guider will be by producing between neck bush and piston rod
Raw horizontal force.When generating horizontal force between neck bush and piston rod, piston rod will squeeze neck bush, the present invention
Squeezing resilient sleeve by neck bush stress makes resilient sleeve that flexible deformation occur to absorb the lateral work between neck bush and piston rod
Firmly, to eliminate the horizontal force between piston rod and guider.
Detailed description of the invention
To describe the technical solutions in the embodiments of the present invention more clearly, institute in being described below to the embodiment of the present invention
Attached drawing to be used is needed to be briefly described, it should be apparent that, the accompanying drawings in the following description is only some implementations of the invention
Example, for those of ordinary skill in the art, without creative efforts, can also implement according to the present invention
The content of example and these attached drawings obtain other attached drawings.
Fig. 1 is the structural schematic diagram of inverted plug type monotubular shock absorber provided in an embodiment of the present invention；
Fig. 2 is the structural schematic diagram of guider shown in Fig. 1；
Fig. 3 be housing shown in Fig. 1 without spinning crimping when structural schematic diagram；
Fig. 4 is the structural schematic diagram of bushing shown in Fig. 1；
Fig. 5 be another embodiment of the present invention provides guider structural schematic diagram；
Fig. 6 be cylinder body shown in Fig. 1 without spinning crimping when structural schematic diagram；
Fig. 7 be another embodiment of the present invention provides cylinder body and guider connection structure diagram.
In figure:
1, guider；11, housing；111, the first hole；112, the second hole；113, third hole；1131, the first seal groove；
114, the first limit plate；115, the second seal groove；116, the second pressure point slot；12, bushing；121, neck bush；1211, it first wears
Hole；1212, the second perforation；1213, third is perforated；122, resilient sleeve；1221, the first groove；123, external bushing；13, slide plate；
14, pressing plate；141, the second groove；15, the first guide sleeve；16, oil sealing；17, the first sealing ring；
2, working cylinder；21, cylinder body；211, stepped hole；212, the second limit plate；213, the second protrusion；22, piston；23, living
Stopper rod；24, floating piston；
3, outer cylinder；31, the first perforating；4, the second guide sleeve；5, the second sealing ring；6, gasket；7, nut.
Specific embodiment
To keep the technical problems solved, the adopted technical scheme and the technical effect achieved by the invention clearer, below
In conjunction with attached drawing and pass through specific embodiment to further illustrate the technical scheme of the present invention.It is understood that this place is retouched
The specific embodiment stated is used only for explaining the present invention rather than limiting the invention.It also should be noted that in order to just
Only the parts related to the present invention are shown in description, attached drawing and it is not all.
As shown in Figure 1, the present invention provides a kind of guider, for eliminating 23 He of piston rod of inverted plug type monotubular shock absorber
Horizontal force between guider 1.The inverted plug type monotubular shock absorber includes in outer cylinder 3 and one end insertion outer cylinder 3 and being capable of phase
The working cylinder 2 moved axially for outer cylinder 3, wherein working cylinder 2 includes cylinder body 21 and piston rod 23, is equipped with piston in cylinder body 21
22, one end of piston rod 23 is connected to piston 22, and the other end is pierced by cylinder body 21 after passing through guider 1 and is connected to outer cylinder 3.
In processing and assembly it is difficult to ensure that the confronting coaxial degree of 3 three of piston rod 23, working cylinder 2 and outer cylinder, and if living
Concentricity between stopper rod 23, working cylinder 2 and outer cylinder 3 cannot be guaranteed, and there may be larger between piston rod 23 and guider 1
Horizontal force.And horizontal force can be generated in the following two cases, the first is in inverted plug type monotubular shock absorber
When with larger stroke motion, piston rod 23 can shake and can act on guider 1 and make to occur between piston rod 23 and guider 1
Transversely acting；Second situation be inverted plug type monotubular shock absorber by action of lateral load when, due to working cylinder 2 and outer cylinder 3 it
Between there are gap, transverse load can also be transferred to piston rod 23, lead between piston rod 23 and guider 1 that there are transversely actings
Power.For this purpose, the present invention is by 12 split settings of bushing of guider 1, specifically, as shown in Fig. 2, guider provided by the invention 1
Bushing 12 including housing 11, in housing 11；Bushing 12 includes neck bush 121 and the elasticity being sheathed on outside neck bush 121
Set 122, resilient sleeve 122 is located between neck bush 121 and housing 11.It is generated laterally between neck bush 121 and piston rod 23
When active force, piston rod 23 will squeeze neck bush 121, and neck bush 121 can be moved back and forth radially to squeeze resilient sleeve 122
Make resilient sleeve 122 that flexible deformation occur, then absorbs by resilient sleeve 122 and eliminate the cross between piston rod 23 and guider 1
To active force.Above-mentioned resilient sleeve 122 is made of rubber, it is not limited to rubber, it can be with bullet made of other elastic materials
Property structure.The present embodiment using rubber material have the characteristics that lower elasticity modulus, biggish deformability this, with rubber system
At resilient sleeve 122 occur flexible deformation to absorb and eliminate the horizontal force between piston rod 23 and guider 1.
When above-mentioned guider 1 is applied to inverted plug type monotubular shock absorber, piston rod 23 runs through neck bush 121 and being capable of edge
It is moved axially.When in 23 movement travel of piston rod, larger and piston rod 23 movement velocity is very fast, piston rod 23 moves shakiness
Fixed easily to generate inclination, piston rod 23 will squeeze neck bush 121, and neck bush 121 will be radially movable and squeezes side
Resilient sleeve 122, resilient sleeve 122 occur flexible deformation to absorb the horizontal force that piston rod 23 acts on neck bush 121,
To eliminate the horizontal force between piston rod 23 and guider 1.And when there is horizontal force to act on working cylinder 2,
Working cylinder 2 will will drive guider 1 and move radially, and guider 1 will act on piston rod 23, and piston rod 23 reacts on
Neck bush 121, makes neck bush 121 squeeze resilient sleeve 122, and resilient sleeve 122 occurs flexible deformation and acted on absorbing piston rod 23
Horizontal force on neck bush 121, to eliminate the horizontal force between piston rod 23 and guider 1.
When flexible deformation occurs for resilient sleeve 122, the axial ends of resilient sleeve 122 will be outwardly protruded, in order to give resilient sleeve
The 122 part reserved spaces that both ends are protruded in the axial direction due to flexible deformation, it is recessed to be respectively set first in 122 axial ends of resilient sleeve
Slot 1221, referring to Fig. 2, which is annular cambered slot, it is not limited to arc groove.
In the present embodiment, above-mentioned bushing 12 further includes the external bushing 123 being sheathed on outside resilient sleeve 122,123 sandwiched of external bushing
Between resilient sleeve 122 and housing 11, resilient sleeve 122 is connected as one by adhesive with neck bush 121, external bushing 123
Form bushing 12.
As shown in figure 3, above-mentioned housing 11 is equipped with the first mounting hole, the first mounting hole include along axial direction from the bottom to top successively
It is arranged and the first hole 111, the second hole 112 and third hole 113 that aperture is gradually increased.Cylinder body in order to prevent combined with Figure 1 and Figure 2,
Hydraulic oil in 21 is leaked out by the faying face between housing 11 and external bushing 123, is equipped between housing 11 and external bushing 123
First sealing ring 17.Specifically, the first seal groove 1131 is set in third hole 113, the first sealing ring 17 is mounted on first
In seal groove 1131.
Slide plate 13 is installed, the both ends of slide plate 13 are connected to 112 shape of the first hole 111 and the second hole respectively in second hole 112
At cascaded surface, neck bush 121 lower end surface.Slide plate 13 is made of polytetrafluoroethylene (PTFE) (PTFE), it is not limited to PTFE,
It can also be that other materials is made, need to only guarantee that the roughness for the end face that slide plate 13 is contacted with neck bush 121 is smaller, to subtract
Frictional force when small 121 radial motion of neck bush between the lower end surface and backplate of neck bush 121.
First mounting hole upper end is equipped with pressing plate 14, and the outer wall of pressing plate 14 is step structure comprising from the bottom to top successively
The the first ladder column and second-order cleat stanchion of coaxial arrangement, the outer diameter of the first ladder column are greater than the outer diameter of second-order cleat stanchion, the first rank
Cleat stanchion is placed in third hole 113, carries out crimping by the top edge to housing 11 and is pressed to form the first limit plate 114, makes second
The upper surface of ladder column is connected to the lower end surface of the first limit plate 114, guarantees that pressing plate 14 will not be deviate from out of first mounting hole.The
The lower end of second order cleat stanchion is connected to the upper surface of external bushing 123, supports pressing plate 14 by external bushing 123.
It is understood that the connection type of pressing plate 14 and housing 11 is not limited in aforesaid way, this hair in the present invention
It is bright that circumferentially distributed multiple first pressure point slots can also be set in the periphery wall on 14 top of pressing plate, in 11 periphery wall of housing and first
The first pressure point label is made in the corresponding position of pressure point slot, and the loading of pressing plate 14 is placed in the second hole top, is connected to its lower end outer
The upper surface of bushing 123, then from each first pressure point mark squeeze housing 11 so that housing 11 is deformed to form first convex
It rises, and is squeezed into first protrusion in the first pressure point slot, then realize the limit to pressing plate 14, prevent pressing plate 14 from the first peace
Fill the top abjection in hole.First pressure point slot and the first protrusion are arranged in a one-to-one correspondence, and the quantity of the first pressure point slot can be four, eight
A or other quantity, multiple first pressure point slots are circumferentially uniformly distributed along the periphery wall of pressing plate 14.The present invention can also be in pressing plate 14
Second-order cleat stanchion periphery wall be arranged the first external screw thread, in third hole 113 top internal perisporium setting with the first external screw thread cooperation
The threaded upper ends of pressing plate 14 are connected to housing 11, and the lower end of pressing plate 14 are made to be connected to external bushing 123 by the first internal screw thread
Upper surface.
In order to avoid generating frictional force between pressing plate 14 and neck bush 121, it is desirable that the upper surface of neck bush 121 and pressing plate 14
It does not contact.For example, neck bush 121 is located at the lower section of pressing plate 14, the lower end surface of external bushing 123 and neck bush in conjunction with Fig. 2 and Fig. 4
121 lower section is located at sustained height, and the upper surface of external bushing 123 is higher than the upper surface of neck bush 121, makes external bushing
The length of 123 short transverses is greater than the length of 121 short transverse of neck bush, to make upper surface and the pressing plate 14 of neck bush 121
Between do not contact, frictional force when neck bush 121 moves radially is reduced, to guarantee that neck bush 121 can be successfully along diameter
To movement to squeeze resilient sleeve 122.But the present invention is to realize upper surface and the discontiguous mode of pressing plate 14 of neck bush 121,
It is not limited in above structure, as shown in figure 5, circular second groove 141 can also be opened up on 14 lower end surface of pressing plate, this
The internal diameter of two grooves 141 is equal to the internal diameter of external bushing 123, will not be with when moving radially neck bush 121 to squeeze resilient sleeve 122
Pressing plate 14 contacts.
Referring to Fig. 4, neck bush 121 is equipped with the second mounting hole, and the second mounting hole includes sequentially coaxially being arranged from the bottom to top
First perforation 1211, second perforation 1212 and third perforation 1213, second perforation 1212 aperture less than first perforation 1211
Aperture and third perforation 1213 aperture.In conjunction with Fig. 2 and Fig. 4, the first guide sleeve 15, piston are pressed in the second perforation 1212
Bar 23 is arranged through the first guide sleeve 15, and the first guide sleeve 15 plays guiding role to the axial movement of piston rod 23.First leads
It is coated with molybdenum layer to the inner wall of set 15, to reduce frictional force between piston rod 23 and the first guide sleeve 15.First guide sleeve 15
One end is connected to the cascaded surface that the first hole 111 and the second hole 112 are formed, and by slide plate 13 to the other end of the first guide sleeve 15 into
Row limit, to prevent the first guide sleeve 15 from deviating from from the lower end of the second mounting hole.Oil sealing 16 is installed in third perforation 1213, is prevented
Only the hydraulic oil in cylinder body 21 is flowed out by the faying face between neck bush 121 and piston rod 23.One end of oil sealing 16 is connected to
The cascaded surface that second hole 112 and third hole 113 are formed, and limited by the other end of the pressing plate 14 to oil sealing 16, to prevent oil sealing 16
Deviate from from the upper end of the second mounting hole.
The assembling process of above-mentioned guider 1 is as follows:
Step 1, in 123 internal perisporium of external bushing and 121 periphery wall of neck bush brushing adhesive, resilient sleeve 122 is inserted into
Between external bushing 123 and neck bush 121, it will vulcanize after 122 contact adhesive of resilient sleeve made of rubber, in resilient sleeve
In 122 sulfidations, realize neck bush 121, external bushing 123 with 122 strong bond of resilient sleeve to form bushing 12.
Slide plate 13 is mounted in the second hole 112 of external bushing 123 by step 2, and the first sealing ring 17 is packed into the first sealing
In slot 1131.
First guide sleeve 15 is pressed into the first perforation 1211 of neck bush 121 by step 3, oil sealing 16 is pressed into interior
In the third perforation 1213 of bushing 121.
Bushing 12 is pressed into the second hole 112 of housing 11, then pressing plate 14 is pressed into the second of housing 11 by step 4
In hole 112, crimping then is carried out to the lower edge of housing 11 and is pressed to form the first limit plate 114, completes the group of guider 1
Dress.
The assembling sequence of guider 1 is not limited in said sequence in the present invention, and part steps can exchange, such as step
2 and step 3 reversed order.
The present invention also provides a kind of inverted plug type monotubular shock absorbers, including above-mentioned guider 1 and working cylinder 2, wherein such as
Shown in Fig. 6, working cylinder 2 includes cylinder body 21, stepped hole 211 is equipped in cylinder body 21, including the large diameter hole from bottom to top set gradually
And diameter holes, the diameter of large diameter hole are greater than the diameter of diameter holes, guider 1 is placed in diameter holes and supports the upper end of guider 1
It is connected to the cascaded surface of large diameter hole and diameter holes formation, the second limit plate 212 is formed by spinning crimping, with support guide 1, and
By the limit of guider 1 in cylinder body 21.
It is understood that the connection type of cylinder body 21 and housing 11 is not limited in aforesaid way, such as Fig. 7 in the present invention
Shown, circumferentially distributed multiple second pressure point slots 116 can also be arranged in the present invention in the periphery wall on 11 top of housing, in cylinder body 21
The second pressure point label is made in periphery wall position corresponding with the second pressure point slot 116 to be made to lead after guider 1 is packed into diameter holes
It is connected to the cascaded surface of large diameter hole and diameter holes formation to the upper end of device 1, then squeezes cylinder body from each second pressure point mark
21 make housing 11 deform to form the second protrusion 213, and are squeezed into second protrusion 213 in second pressure point slot 116, then
It realizes the limit to guider 1, prevents guider 1 from deviating from from 21 lower part of cylinder body.Second pressure point slot 116 and the second protrusion 213 1
One is correspondingly arranged, and the quantity of the second pressure point slot 116 can be four, eight or other quantity, and multiple second pressure point slots 116 are along outer
The periphery wall of set 11 is circumferentially uniformly distributed.The second internal screw thread can also be arranged in diameter holes internal perisporium in the present invention, outside housing 11
Second external screw thread of peripheral wall setting and second screw-internal thread fit, is threadedly connected to cylinder body 21 for housing 11, and make cylinder body 21
Upper end be connected to the cascaded surface that large diameter hole and diameter holes are formed.
In order to avoid the hydraulic oil in cylinder body 21 is leaked out from the faying face between 21 inner wall of guider 1 and cylinder body, it is being oriented to
The second sealing ring 5 is arranged between 21 inside in device 1 and cylinder body.Specifically, the second seal groove 115 is set in 11 periphery wall of housing, it will
Second sealing ring 5 is installed in the second seal groove 115.
Above-mentioned inverted plug type monotubular shock absorber further includes outer cylinder 3, and 2 one end of working cylinder is inserted into outer cylinder 3 and can be relative to outer
Cylinder 3 moves axially.Working cylinder 2 further includes piston rod 23, and piston 22 and floating piston 24 in cylinder body 21, floating piston
24 and piston rod 23 be located at the two sides of piston 22.One end of piston rod 23 is connected to piston 22, and the other end passes through guider 1
After be pierced by cylinder body 21 and be connected to outer cylinder 3.Specifically, specifically, the lower end of outer cylinder 3 is equipped with the first perforating 31, piston rod 23
Gasket 6, the first perforating 31 are sequentially passed through after being pierced by cylinder body 21 and is threadedly connected to nut 7, and 3 He of outer cylinder is realized by nut 7
Connection between piston rod 23.
The second guide sleeve 4 is equipped between 21 outer wall of outer cylinder 3 and cylinder body, the second guide sleeve 4 is to working cylinder 2 relative to outer cylinder 3
Axial movement play the guiding role.In the present embodiment, the second guide sleeve 4 is set there are two it is not limited to two, two second
Guide sleeve 4 is respectively arranged on the both ends of 21 connecting portion of outer cylinder 3 and cylinder body.The inner wall of second guide sleeve 4 is coated with molybdenum layer, to reduce
Frictional force between cylinder body 21 and outer cylinder 3.
Obviously, the above embodiment of the present invention is just for the sake of clearly illustrating examples made by the present invention, and being not is pair
The restriction of embodiments of the present invention.For those of ordinary skill in the art, may be used also on the basis of the above description
To make other variations or changes in different ways.There is no necessity and possibility to exhaust all the enbodiments.It is all this
Made any modifications, equivalent replacements, and improvements etc., should be included in the claims in the present invention within the spirit and principle of invention
Protection scope within.
In the description of the present application, it should be noted that term " center ", "upper", "lower", "left", "right", "vertical",
The orientation or positional relationship of the instructions such as "horizontal", "inner", "outside" be based on the orientation or positional relationship shown in the drawings, merely to
Convenient for describe the application and simplify description, rather than the device or element of indication or suggestion meaning must have a particular orientation,
It is constructed and operated in a specific orientation, therefore should not be understood as the limitation to the application.In addition, term " first ", " second ", only
For descriptive purposes, it is not understood to indicate or imply relative importance.
In the description of the present application, it should be noted that unless otherwise clearly defined and limited, term " installation ", " phase
Even ", " connection " shall be understood in a broad sense, for example, it may be being fixedly connected, may be a detachable connection, or be integrally connected；It can
To be mechanical connection, it is also possible to be electrically connected；It can be directly connected, can also can be indirectly connected through an intermediary
Connection inside two elements.For the ordinary skill in the art, above-mentioned term can be understood at this with concrete condition
Concrete meaning in application.
Claims (10)
1. a kind of guider, which is characterized in that including housing (11), and the bushing (12) being set in the housing (11)；It is described
Bushing (12) includes neck bush (121) and resilient sleeve (122), and the resilient sleeve (122) is located in the neck bush (121) and institute
It states between housing (11)；
The neck bush (121) can move along the radial and squeezing the resilient sleeve (122) occurs the resilient sleeve (122)
Flexible deformation, for absorbing and eliminating horizontal force suffered by the guider.
2. guider according to claim 1, which is characterized in that the resilient sleeve (122) is made of rubber.
3. guider according to claim 1, which is characterized in that the bushing (12) further includes external bushing (123), described
External bushing (123) is located between the resilient sleeve (122) and the housing (11).
4. guider according to claim 3, which is characterized in that the housing (11) is equipped with the first mounting hole, described
First mounting hole lower part is equipped with slide plate (13), and the both ends of the slide plate (13) are connected to the neck bush (121) one end respectively
The inner wall of end face and first mounting hole.
5. guider according to claim 4, which is characterized in that first mounting hole top is equipped with pressing plate (14), institute
The lower end for stating pressing plate (14) is connected to the external bushing (123), and by the housing (11) to the upper end of the pressing plate (14) into
Row axial limiting.
6. guider according to claim 5, which is characterized in that be formed on the housing (11) to the pressing plate (14)
Upper end carry out axial limiting the first limit plate (114)；
Or, the housing (11) is equipped with the first protrusion, the pressing plate (14), which is equipped with, is inserted into the of first protrusion
One pressure point slot.
7. guider according to claim 5, which is characterized in that the neck bush (121) is located at the pressing plate (14)
Lower section, the upper surface of the neck bush (121) and the pressing plate (14) do not contact.
8. guider according to claim 5, which is characterized in that the neck bush (121) is equipped with the second mounting hole, institute
It states the second mounting hole lower part to be equipped with the first guide sleeve (15), one end of first guide sleeve (15) is connected to second peace
Hole inner wall is filled, and axial limiting is carried out by the other end of the slide plate (13) to first guide sleeve (15).
9. guider according to claim 8, which is characterized in that second mounting hole top is equipped with oil sealing (16), institute
The one end for stating oil sealing (16) is connected to second inner wall of the hole installing, and by the pressing plate (14) to the another of the oil sealing (16)
End carries out axial limiting.
10. a kind of inverted plug type monotubular shock absorber, which is characterized in that including the described in any item guiders of claim 1 to 9, also
Include:
Working cylinder (2) comprising cylinder body (21), the piston (22) and one end being set in the cylinder body (21) are connected to the work
The piston rod (23) that plug (22) and the other end pass through the neck bush (121) and be pierced by the cylinder body (21), the guider are set
In the cylinder body (21)；
Outer cylinder (3), one end of the working cylinder (2) are inserted into the outer cylinder (3) and can axially be moved relative to the outer cylinder (3)
Dynamic, one end that the piston rod (23) is pierced by the cylinder body (21) is connected to the outer cylinder (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111582.3A CN109751357B (en) | 2019-02-12 | 2019-02-12 | Guider and inverted single-cylinder shock absorber |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910111582.3A CN109751357B (en) | 2019-02-12 | 2019-02-12 | Guider and inverted single-cylinder shock absorber |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109751357A true CN109751357A (en) | 2019-05-14 |
| CN109751357B CN109751357B (en) | 2021-04-16 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910111582.3A Active CN109751357B (en) | 2019-02-12 | 2019-02-12 | Guider and inverted single-cylinder shock absorber |
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| CN (1) | CN109751357B (en) |
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| JP2016194314A (en) * | 2015-03-31 | 2016-11-17 | 日立オートモティブシステムズ株式会社 | Shock absorber |
| CN107218334A (en) * | 2017-07-13 | 2017-09-29 | 湖北东风捷祥汽车减振器股份有限公司 | A kind of unidirectional oil sealing rivets tightly structure |
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| US6179099B1 (en) * | 1997-12-11 | 2001-01-30 | Stabilus Gmbh | Gas spring having an intermediate stop function and temperature compensation |
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| JP2016194314A (en) * | 2015-03-31 | 2016-11-17 | 日立オートモティブシステムズ株式会社 | Shock absorber |
| CN204878495U (en) * | 2015-04-09 | 2015-12-16 | 高铭 | Protected against explosion nitrogen spring |
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Effective date of registration: 20211206 Address after: Room 416, Pioneer Building, No.1 Changjiang Road, Jiaozhou economic and Technological Development Zone, Qingdao, Shandong 266300 Patentee after: Coma intelligent suspension technology (Qingdao) Co.,Ltd. Address before: 215222 Building 2, Suzhou Automotive Research Institute, Tsinghua University, 139 Lianyang Road, Wujiang District, Suzhou City, Jiangsu Province Patentee before: KEMA SMART SUSPENSION TECHNOLOGY (SUZHOU) Co.,Ltd. |
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