CN205089780U - Push -and -pull cable - Google Patents
Push -and -pull cable Download PDFInfo
- Publication number
- CN205089780U CN205089780U CN201520822825.1U CN201520822825U CN205089780U CN 205089780 U CN205089780 U CN 205089780U CN 201520822825 U CN201520822825 U CN 201520822825U CN 205089780 U CN205089780 U CN 205089780U
- Authority
- CN
- China
- Prior art keywords
- end fitting
- push
- pull cable
- tubulose
- tubulose end
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
- 238000007789 sealing Methods 0.000 claims abstract description 14
- 239000013013 elastic material Substances 0.000 claims description 3
- 238000000034 method Methods 0.000 abstract description 6
- 230000002093 peripheral effect Effects 0.000 description 9
- 230000003321 amplification Effects 0.000 description 2
- 239000000428 dust Substances 0.000 description 2
- 238000003199 nucleic acid amplification method Methods 0.000 description 2
- 230000003068 static effect Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002245 particle Substances 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Landscapes
- Flexible Shafts (AREA)
Abstract
An embodiment of the utility model provides a push -and -pull cable, push -and -pull cable's tubulose end fitting's opening forms to tubulose end fitting's enlarged diameter tip part, makes in the tubulose end fitting, the pipe with it forms annular gap to enlarge between the partial inside of diameter tip to flexible diaphragm seals spare sets up completely tubulose end fitting is inboard annular gap's inboard is with sealed annular gap among the tubulose end fitting. The utility model discloses an among the push -and -pull cable, because diaphragm seals spare is set up the inside at tubulose end fitting, the sealing member seldom exposes in possible environmenttal stress to guarantee that the sealing member is not fragile, and need not provide second circumference slot on tubulose end fitting, avoid obscuring between the circumference slot among the assembly process.
Description
Technical field
The utility model is intended to a kind of push-pull cable, and this push-pull cable comprises external pipe; Be slidably received within Movement transmit inner member wherein; On the end sections being fixed on described pipeline and the tubulose end fitting being suitable for being fixed on the mounting bracket that is connected with vehicle structure; On the inner member being connected to described push-pull cable and the load coupled extension rod be received in slidably in conduit, described conduit to be arranged in the pivot bearings in tubulose end fitting and to extend from the opening the end sections relative with the end sections of the external pipe wherein containing described push-pull cable of tubulose end fitting; And seal the Sealing of open space of the opening in the end sections of the described tubulose end fitting between described conduit and described tubulose end fitting.
Background technique
The typical field of application of this push-pull cable is automotive industry, and in this automotive industry, push-pull cable is used to such as from gear level, manual command is delivered in vehicle the remote units that will activated from input element, such as, and the shifting shaft of speed changer.The Movement transmit inner member that push-pull cable has external pipe and holds slidably wherein.This inner member is connected on input actuator an end, promotes with the motion being transfused to actuator and pulls.At the opposed end place of push-pull cable, be provided with tubulose end fitting, this tubulose end fitting receives and is connected on the end sections of conduit; Tubulose end fitting is suitable for being fixed on the mounting bracket that is connected with vehicle structure.By this way, conduit is fixed relative to vehicle, and inner member is removable along its longitudinal axis.Load coupled extension rod is connected on the inner member of push-pull cable at tubulose end fitting place, and be slidably received within conduit, conduit is contained in again the opening in the end sections relative with the end sections of the external pipe wherein containing push-pull cable of tubulose end fitting and extends from this opening.Load coupled extension rod is given prominence to from conduit and is coupled to its outstanding end the parts that will activated, such as, and shifting shaft.
Tubulose end fitting is fixed to the external pipe of push-pull cable in the end relative with the end being couple to input actuator.Tubulose end fitting is fixed to again on mounting bracket, and this mounting bracket is connected on the static vehicle structure of the nearby components that will activated, and such as, mounting bracket is connected on the housing of the gear-box of the shifting shaft that will be activated by push-pull cable.By this way, external pipe is static in vehicle, and the sliding movement of inner member can realize the motion of the parts that will activated.
Conduit to be contained in again in the opening in the end sections relative with the end sections of the external pipe wherein receiving push-pull cable of tubulose end fitting and to extend from this opening.Conduit is typically accommodated in the pivot bearings within tubulose end fitting, makes load coupled extension rod and conduit can relative to tubulose end fitting pivotable within the specific limits.The conduit with load coupled extension rod must have the diameter of the external diameter being greater than conduit, to allow the pivot movement of conduit from the opening of its outstanding tubulose end fitting.Therefore, between conduit and the inside of tubulose end fitting, there is the annular opening of annular space and the part as the opening of tubulose end fitting.This annular opening must be sealed, with the pivot bearings preventing particle or moisture content from entering the conduit in annular space and tubulose end fitting.In current push-pull cable, Sealing for the residue annular opening in sealed tubular end fitting is formed as bellows seal, this bellows seal is connected on the outer surface of tubulose end fitting, and extend to from the outstanding conduit of the opening of tubulose end fitting in the axial direction, at this, in the opening a distance in tubulose end fitting, it is connected on the outer surface of conduit.In other words, bellows seal is as the end sections of sleeve around tubulose end fitting, and extend to conduit, this conduit equally by bellows seal as sleeve around, this bellows seal is connected to the outer surface of conduit in the position of the opening extended from it away from the conduit in tubulose end fitting.This push-pull cable, such as at US4, is described in 238,974B1 and EP0372857A2.
The problem be associated with this push-pull cable is the external component being exposed to ectocine completely.Therefore, damaged in the further assembling process of the Sealing of frequent generation push-pull cable in process of production, in the process being transported to automaker or when the mounting bracket place of tubulose end fitting in vehicle installs or at vehicle after being arranged in vehicle.This needs impaired Sealing to be replaced, and this just slow down produces and adds cost.
On the outer wall of tubulose end fitting, usually have peripheral groove, this peripheral groove is suitable for the part with U-shaped slit of engaging mounting brackets, to install tubulose end fitting.In current tubulose end fitting, also there is the peripheral groove for bellows seal being installed on tubulose end fitting.This further peripheral groove for installing bellows seal causes obscuring with another peripheral groove being intended to engage with mounting bracket sometimes.
Model utility content
The purpose of this utility model is to provide the push-pull cable that a kind of Sealing is not easy to damage.In addition, the second peripheral groove on tubulose end fitting should not exist, and obscures to avoid in assembling process any.
According to the utility model, the conduit of tubulose end fitting is formed from its outstanding opening the magnifying diameter end of tubulose end fitting, to make to form annular space between the inwall of the opening in conduit and tubulose end fitting.Flexible diaphragm seal is arranged on the inner side of the annular space within the opening of tubulose end fitting completely, with the annular space in the opening of sealed tubular end fitting.In other words, any part of diaphragm seal is not outstanding from annular space by the opening of tubulose terminal end seal.The magnifying diameter end sections of term tubulose end fitting is intended to represent that diameter is enough large, make the specific axially extended annular space had for holding diaphragm seal have enough large internal diameter to allow the pivot movement of the expectation of conduit in its pivot bearings, the axial position that described pivot bearings exceedes described diaphragm seal is arranged on the axial positions of the further inner side of tubulose end fitting.
Obviously, the diaphragm seal being arranged on the inside of tubulose end fitting is seldom exposed to possible ectocine.Therefore, push-pull cable of the present utility model can be produced when low Sealing damages risk in the mode of saving, transport, handles and install.
In addition, internal diaphragm Sealing makes it not need to provide the second peripheral groove on tubulose end fitting, this is because of no need of such groove to coordinate any environment seal.Therefore, the single peripheral groove being suitable for the U-shaped slit of engaging mounting brackets is enough, and there is not the obscuring between two peripheral groove as in above-mentioned prior art design.
In a preferred embodiment, diaphragm seal comprises the inner sleeve portion on the outer wall section of the conduit inside the annular space being fitted in tubulose end fitting; The outer sleeve portion of the inner wall section of the tubulose end fitting inside engagement annular gap; And the intermediate portion roughly radially extended between inner sleeve portion and outer sleeve portion.Inner sleeve portion and outer sleeve portion provide respectively closely and are sealed and matched on conduit and tubulose end fitting inwall.
In a preferred embodiment, the inner sleeve portion of diaphragm seal, intermediate portion and outer sleeve portion are integrally formed by elastic material.
In a preferred embodiment, diaphragm seal is made up of rubber.
In a preferred embodiment, diaphragm seal is formed with that at least one is protruding, with the adjoint lower permission conduit at least one bulging deformation relative to the pivot movement of tubulose end fitting.
In a preferred embodiment, diaphragm seal is formed with annular protrusion, this annular protrusion tubulose end fitting annular space inner circumference and extend with one heart.
In a preferred embodiment, diaphragm seal is oriented to the opening made in the annular peak point tube shape end fitting of annular protrusion 58.
In a preferred embodiment, the outer sleeve portion of diaphragm seal is provided with annular seal lip limit, and this annular seal lip limit circumferentially extends on the outer wall of outer sleeve portion.
In a preferred embodiment, described load coupled extension rod is connected on end pieces in its end away from tubulose end fitting, this end pieces is provided with cup-and-ball joint connector, and this cup-and-ball joint connector is suitable for being couple in the ball portion of the lever that will be activated by push-pull cable.
Accompanying drawing explanation
The utility model is described, in figure now with reference to the preferred implementation shown in accompanying drawing:
Fig. 1 illustrates the perspective view according to push-pull cable of the present utility model;
Fig. 2 illustrates the side view of an end sections of push-pull cable as shown in Figure 1;
Fig. 3 illustrates the cross-sectional view of the end sections of push-pull cable as shown in Figure 2;
Fig. 4 illustrate Fig. 3 centre circle around the amplification cross-sectional view of tubulose end fitting;
Fig. 5 illustrates the perspective view of the diaphragm seal be used in the mode of execution shown in these figure; And
Fig. 6 illustrates the cross-sectional view of the diaphragm seal shown in Fig. 5.
Embodiment
Fig. 1 illustrates the perspective view according to push-pull cable of the present utility model, wherein in its two end sections only one will describe in detail in the following description.Push-pull cable comprises external pipe 2, and this external pipe 2 is around the steel wire stripe of armouring.This armoring tape structure provides the protection of the increase to high compression forces, wearing and tearing and crushing.In FIG, for purposes of illustration, tubulose end fitting is omitted on the left end region of push-pull cable, make the armoring tape 3 on the left-hand side end regions of push-pull cable and the adjacent pivot bearings for conduit visible.
Movement transmit inner member 4 (such as, as shown in Figure 3) is slidably received within external pipe 2 and armoring tape 3.Inner member 4 is connected on load coupled extension rod 20, and this load coupled extension rod is metallic rod.End pieces 22 is connected on extension rod 20.In the outer end of end pieces 22, be provided with cup-and-ball joint connector 24, this cup-and-ball joint connector allows end pieces to be connected in the ball portion of the lever that will be activated by push-pull cable.
Tubulose end fitting 10 is fixed relative to external pipe 2 and armoring tape 3.Tubulose end fitting 10 allows push-pull cable to be couple on mounting bracket, and this mounting bracket is fixed relative to vehicle structure.Mounting bracket typically comprises U-shaped slit.Tubulose end fitting 10 is provided with annular groove 11, and this annular groove is of a size of the U-shaped slit making tubulose end fitting 10 can be introduced into mounting bracket, and wherein groove 11 engages with the relative wall portion of the U-shaped slit of mounting bracket.Then tubulose end fitting 10 is additionally fixed in U-shaped slit, and wherein, annular groove 11 provides axial direction fixing along push-pull cable.Mounting bracket is fixed in vehicle structure, near the parts that will activated, cup-and-ball joint connector 24 can be couple on these parts.
The design of each parts of the push-pull cable in the region of tubulose end fitting 10 is described in further detail with reference to Fig. 3 and 4.In the view of Fig. 3, leftward on side, tubulose end fitting 10 is fixed on external pipe 2 and armoring tape 3, and described external pipe 2 and armoring tape 3 are projected in tubulose end fitting 10 further from it.On opposed end, tubulose end fitting 10 is provided with magnifying diameter end sections 16.This magnifying diameter end sections 16 has circular open 14.Conduit 30 is installed in the pivot bearings 12 arranged in the inside of tubulose end fitting 10.Conduit 30 has the bulbous end portions be arranged in pivot bearings 12, makes conduit 30 can go up pivotable relative to tubulose end fitting 10 in limited scope (being limited by the internal diameter of tubulose end fitting 10).
The inner member 2 of push-pull cable is accommodated in conduit 30 in the end be arranged in pivot bearings 12 of conduit 30.Inner member 2 is slidably guided in described conduit 30, and is connected on load coupled extension rod 20, and this load coupled extension rod 20 is slidably received within the opposed end of conduit 30.Extension rod 20 is given prominence to from conduit 30 and is couple to end pieces 22, and this end pieces 22 is couple on the parts that will be activated by push-pull cable.The end regions of conduit 30 and from the adjacent area of its outstanding extension rod 20 by bellows seal 26 around, enter in conduit 30 to prevent dust and moisture.
Magnifying diameter end sections 16 has the internal diameter of amplification, to allow conduit 10 pivot movement over a specified range in pivot bearings 12.Within the magnifying diameter end 16 of tubulose end fitting, annular space 18 (see Fig. 4) is present between the outer wall of conduit 30 and the inwall of magnifying diameter end sections 16.Within annular space 18 between magnifying diameter end sections 16 and conduit 30, diaphragm seal 50 is set up, this diaphragm seal 50 extends between the inwall and the outer wall section of conduit 30 of magnifying diameter end sections 16, and the opening of annular space 18 is sealed.In other words, dust or moisture content do not exceed by opening 14 inside that diaphragm seal 50 enters tubulose end fitting.Diaphragm seal 50 is arranged on the inner side of the annular space 18 formed within magnifying diameter end sections 16 completely.In other words, any part of diaphragm seal 50 is not given prominence to from the magnifying diameter end sections 16 of tubulose end fitting.By this way, diaphragm seal 50 is by good protection in order to avoid be subject to ectocine, and this ectocine is likely in the manipulation of push-pull cable, transport or occur in installation process in vehicle.
The design of diaphragm seal 50 describes with reference to Fig. 5 and 6.Diaphragm seal 50 comprises inner sleeve portion 52, and the sealing of this inner sleeve portion is resisted against on conduit 30.The outer sleeve portion 54 being provided with the sealing ribs that circumference extends is resisted against in the cylindrical inner wall of magnifying diameter end sections 16 of tubulose end fitting 10.Intermediate portion 56 extends between inner sleeve portion 52 and outer sleeve portion 54, and this intermediate portion extends to outer sleeve portion 54 from inner sleeve portion 52 roughly in radial directions.But intermediate portion 56 is provided with protruding 58, these protruding 58 circumference extend and are arranged on one heart in the annular space 18 of magnifying diameter end sections 16.This circumferential protrusion 58 in the intermediate portion 56 of diaphragm seal 50 improves in the ability of conduit 30 around diaphragm seal 50 resiliently deformable during pivot bearings 12 pivotable, and this pivotable is attended by the distortion of diaphragm seal in the region of protruding 58.
Diaphragm seal 50 is the integral member be integrally formed be made up of elastic material, such as, be made up of rubber.
Claims (9)
1. a push-pull cable, comprises external pipe (2), the Movement transmit inner member (4) be accommodated therein slidably, on the end sections being fixed to described external pipe and the tubulose end fitting (10) being suitable for being fixed on the mounting bracket that is connected with vehicle structure, on the described Movement transmit inner member being connected to described push-pull cable and the load coupled extension rod (20) be slidably received within conduit (30), described conduit is arranged in the pivot bearings (12) in described tubulose end fitting (10), and extend from the opening (14) the end sections of described tubulose end fitting, the end sections of described tubulose end fitting is relative with the end sections of the described external pipe (2) wherein holding described push-pull cable, and Sealing, described Sealing sealing is arranged in the open space of the described opening of the end sections of the described tubulose end fitting between described conduit (30) and described tubulose end fitting (10), it is characterized in that, the described opening of described tubulose end fitting is formed as the magnifying diameter end sections (16) of described tubulose end fitting, make in described tubulose end fitting, annular space (18) is formed between the inwall of described conduit and described magnifying diameter end sections (16), and the diaphragm seal of flexibility (50) is arranged on the inner side of the described annular space (18) inside described tubulose end fitting to seal the described annular space in described tubulose end fitting.
2. push-pull cable as claimed in claim 1, it is characterized in that, described diaphragm seal (50) comprises the inner sleeve portion (52) of the outer wall section of the described conduit inside around the described annular space of described tubulose end fitting, the outer sleeve portion (54) engaging the inner wall section of the described tubulose end fitting of inner side, described annular space (18) and the intermediate portion (56) radially extended between described inner sleeve portion (52) and described outer sleeve portion (54).
3. push-pull cable as claimed in claim 2, it is characterized in that, described inner sleeve portion (52), described intermediate portion (56) and described outer sleeve portion (54) are integrally formed by elastic material.
4. push-pull cable as claimed in claim 3, it is characterized in that, described diaphragm seal (50) is made up of rubber.
5. push-pull cable as claimed in claim 1, it is characterized in that, described diaphragm seal (50) is formed with at least one projection (58), with allow described at least one projection (58) distortion with under, described conduit (30) is relative to the pivot movement of described tubulose end fitting (10).
6. push-pull cable as claimed in claim 5, it is characterized in that, described diaphragm seal (50) is formed with annular protrusion (58), described annular protrusion (58) described tubulose end fitting (10) described annular space (18) inner circumference ground and extend with one heart.
7. push-pull cable as claimed in claim 6, it is characterized in that, described diaphragm seal (50) is orientated to and makes the annular peak of described annular protrusion (58) towards the described opening (14) in described tubulose end fitting (10).
8. push-pull cable as claimed in claim 2, it is characterized in that, the described outer sleeve portion (54) of described diaphragm seal (50) is provided with the annular seal lip limit that circumference extends on the outer wall of described outer sleeve portion (54).
9. push-pull cable as claimed in claim 1, it is characterized in that, described load coupled extension rod (20) is connected on end pieces (22) in its end away from described tubulose end fitting (10), described end pieces (22) is provided with cup-and-ball joint connector (24), and described cup-and-ball joint connector is suitable for being couple in the ball portion of the lever that will be activated by described push-pull cable.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822825.1U CN205089780U (en) | 2015-10-22 | 2015-10-22 | Push -and -pull cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520822825.1U CN205089780U (en) | 2015-10-22 | 2015-10-22 | Push -and -pull cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN205089780U true CN205089780U (en) | 2016-03-16 |
Family
ID=55480470
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520822825.1U Expired - Fee Related CN205089780U (en) | 2015-10-22 | 2015-10-22 | Push -and -pull cable |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN205089780U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469653A (en) * | 2019-08-19 | 2019-11-19 | 宁波永信汽车部件制造有限公司 | A kind of automatic transmission shift mechanism |
-
2015
- 2015-10-22 CN CN201520822825.1U patent/CN205089780U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110469653A (en) * | 2019-08-19 | 2019-11-19 | 宁波永信汽车部件制造有限公司 | A kind of automatic transmission shift mechanism |
| CN110469653B (en) * | 2019-08-19 | 2024-05-28 | 宁波永信汽车部件制造有限公司 | Automatic transmission gearshift |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160316 Termination date: 20191022 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |