CN208919079U - Stroke guiding device and electric device - Google Patents
Stroke guiding device and electric device Download PDFInfo
- Publication number
- CN208919079U CN208919079U CN201821706216.XU CN201821706216U CN208919079U CN 208919079 U CN208919079 U CN 208919079U CN 201821706216 U CN201821706216 U CN 201821706216U CN 208919079 U CN208919079 U CN 208919079U
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- Prior art keywords
- bar
- pull rod
- locating part
- internal layer
- guiding device
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- 239000011324 bead Substances 0.000 claims description 10
- 230000014759 maintenance of location Effects 0.000 claims description 10
- 238000000465 moulding Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 238000003466 welding Methods 0.000 description 2
- 230000001771 impaired effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004806 packaging method and process Methods 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 230000000630 rising effect Effects 0.000 description 1
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Abstract
The utility model discloses a kind of stroke guiding devices, including positioning tie bar and the from inside to outside successively nested internal layer bar being slidably connected, intermediate bar assembly and outer layer bar, internal layer bar is hollow cylindrical structure along the direction of motion, the side of the external connection terminal far from internal layer bar is respectively equipped with the first pull rod locating part, the second pull rod locating part on internal layer bar and intermediate bar assembly, positioning tie bar is slidably arranged on the first pull rod locating part and the second pull rod locating part, and the both ends of positioning tie bar are equipped with the locating part abutted with the opposite of the first pull rod locating part and the second pull rod locating part.By setting hollow cylindrical structure for internal layer bar, the aperture on internal layer bar is avoided, the case where intensity declines on internal layer bar is caused, therefore, the service life of stroke guiding device provided by the present application extends.
Description
Technical field
The utility model relates to mechanical guiding device technical field, in particular to a kind of stroke guiding device.
Background technique
In order to realize that one end of stroke guiding device is arranged in part transfers, movable part, stretched by stroke guiding device
Contracting realizes that movable part moves to the other end by one end, and usual stroke guiding device is usually sliding block and guide rail guiding mechanism group
Conjunction form, stroke do not exceed the length of guide rail itself generally, in some cases, due to the limitation of installation space, installation
Moving component on guide rail requires height lower after withdrawing, and height is higher after rising, and guiding mechanism is due to structure
Limitation can not meet movement needs again by lengthening, therefore set nested form for stroke guiding device.
As shown in Figure 1, stroke guiding device includes outer wall 01, midfeather 02 and the inner layer wall that ecto-entad is successively arranged
03, three is the c-type structure in a side opening, however because there is opening to will cause integral strength and Stiffness, it is moving
It will cause vibration aggravation in the process, lead to the reduced service life of stroke guiding device.
Therefore, the service life for how extending stroke guiding device is that those skilled in the art's technology urgently to be resolved is asked
Topic.
Utility model content
The purpose of the utility model is to provide a kind of stroke guiding device, the service life of the trip guiding device extends.
To achieve the above object, the utility model provides a kind of stroke guiding device, including positioning tie bar and from inside to outside
Successively the nested internal layer bar being slidably connected, intermediate bar assembly and outer layer bar, the internal layer bar are hollow cylindrical knot along the direction of motion
The side of external connection terminal in structure, the internal layer bar and the intermediate bar assembly far from internal layer bar is respectively equipped with the first pull rod limit
The first pull rod locating part and second pull rod is slidably arranged in position part, the second pull rod locating part, the positioning tie bar
On locating part, and the both ends of the positioning tie bar are equipped with pair with the first pull rod locating part and the second pull rod locating part
The locating part that facade abuts.
Preferably, the intermediate bar assembly includes that the multiple intermediate bars being slidably connected successively are arranged along glide direction, adjacent
Side wall one between two intermediate bars is equipped with the first limit sliding chutes, and another one, which is equipped with, is located at first limit sliding chutes
The first interior retention bead.
Preferably, the intermediate bar assembly and outer layer bar one are equipped with the second limit sliding chutes, and another one, which is equipped with, to be located at
Second retention bead in second limit sliding chutes.
Preferably, the intermediate bar assembly is an intermediate bar, the external connection terminal far from internal layer bar on the outer layer bar
Side be equipped with third pull rod locating part.
Preferably, third pull rod locating part blocks the end of the outer layer bar.
Preferably, the internal layer bar and the intermediate bar assembly and the outer layer bar wall thickness are equal.
It preferably, further include the first link block being arranged on the external connection terminal of the internal layer bar and setting described outer
The second link block on the outer wall of layer bar.
Preferably, the internal layer bar and the first pull rod locating part are an integral molding structure.
Preferably, the intermediate bar assembly is an integral molding structure with the second pull rod locating part.
A kind of electric device, the movement portion including stroke guiding device and for driving the stroke guiding device flexible
Part, the stroke guiding device are stroke guiding device described in any of the above embodiments.
In the above-mentioned technical solutions, stroke guiding device provided by the utility model include positioning tie bar and from inside to outside according to
Internal layer bar, intermediate bar assembly and the outer layer bar that secondary nesting is slidably connected, internal layer bar is hollow cylindrical structure, internal layer along the direction of motion
The side of the external connection terminal far from internal layer bar is respectively equipped with the first pull rod locating part, the second pull rod limit on bar and intermediate bar assembly
Position part, positioning tie bar is slidably arranged on the first pull rod locating part and the second pull rod locating part, and the both ends of positioning tie bar are set
There is the locating part abutted with the opposite of the first pull rod locating part and the second pull rod locating part.
As can be seen from the above description, in stroke guiding device provided by the present application, by setting hollow for internal layer bar
Column construction avoids the aperture on internal layer bar, leads to the case where intensity declines on internal layer bar, therefore, stroke provided by the present application
The service life of guiding device extends.
Detailed description of the invention
In order to illustrate the embodiment of the utility model or the technical proposal in the existing technology more clearly, below will be to embodiment
Or attached drawing needed to be used in the description of the prior art is briefly described, it should be apparent that, the accompanying drawings in the following description is only
It is the embodiments of the present invention, for those of ordinary skill in the art, without creative efforts, also
Other attached drawings can be obtained according to the attached drawing of offer.
Fig. 1 is the structural schematic diagram of traditional guiding device;
Fig. 2 is the three-dimensional figure of guiding device provided by the utility model embodiment;
Fig. 3 is the structural schematic diagram of guiding device provided by the utility model embodiment.
Wherein in Fig. 1-3: 01- outer wall, 02- midfeather, 03- inner layer wall;
The first link block of 1-, 2- internal layer bar, bar assembly among 3-, 4- outer layer bar, 5- positioning tie bar, the second link block of 6-,
The second retention bead of 7-, 8- locating part, 9- third pull rod locating part, the second limit sliding chutes of 10-, the first pull rod of 11- locating part,
12- the second pull rod locating part.
Specific embodiment
The core of the utility model is to provide a kind of stroke guiding device, and the service life of the trip guiding device extends.
It is with reference to the accompanying drawing and real in order to make those skilled in the art more fully understand the technical solution of the utility model
Applying mode, the utility model is described in further detail.
It please refers to shown in Fig. 2 and Fig. 3, in a specific embodiment, the row that the utility model specific embodiment provides
Internal layer bar 2, intermediate bar assembly 3 and the outer layer that journey guiding device includes positioning tie bar 5 and successively nesting is slidably connected from inside to outside
Bar 4, internal layer bar 2 are hollow cylindrical structure along the direction of motion, and the outside far from internal layer bar 2 connects on internal layer bar 2 and intermediate bar assembly 3
The side for connecing end is respectively equipped with the first pull rod locating part 11 and the second pull rod locating part 12, further, far from internal layer on outer layer bar 4
The side of the external connection terminal of bar 2 is equipped with third pull rod locating part 9, and the first pull rod locating part is slidably arranged in positioning tie bar 5
11 and second on pull rod locating part 12, and the both ends of positioning tie bar 5 are equipped with and the first pull rod locating part 11 and the second pull rod limit
The locating part 8 that the opposite of part 12 abuts.Specifically, intermediate bar assembly 3 can only include an intermediate bar.
For further expansion stroke, it is preferable that intermediate bar assembly 3 include successively be arranged along glide direction be slidably connected it is more
A intermediate bar, the side wall one between two neighboring intermediate bar are equipped with the first limit sliding chutes, and another one, which is equipped with, is located at the first limit
The first retention bead in the sliding slot of position.
For the ease of assembling and stablizing guiding, it is preferable that intermediate bar assembly 3 and 4 one of outer layer bar are equipped with the second limit and slide
Slot 10, another one are equipped with second retention bead 7 being located in the second limit sliding chutes 10.
For the ease of dismounting stroke guiding device, it is preferable that locating part 8 is threadedly coupled with positioning tie bar 5.Certainly, positioning is drawn
Bar 5 can be the longer screw-rod structure of length, and the nut on nuts and bolt is as locating part 8, for the ease of processing, it is preferable that
Screw rod is an integral molding structure with nut.
In order to reduce friction, it is preferable that internal layer bar 2 and/or intermediate bar and/or outer layer bar 4 are cylindrical empty core structure.When
So, in specifically manufacture production process, in order to improve sliding stability, internal layer bar 2 and/or intermediate bar assembly 3 and/or outer layer bar
4 can be square bar.
In order to improve leakproofness, it is preferable that the end of the closure outer layer bar 4 of third pull rod locating part 9.
Specifically, it is preferable that internal layer bar 2 is equal with intermediate bar and 4 wall thickness of outer layer bar.
In order to be connect with extraneous structure, it is preferable that the trip guiding device further includes the external connection terminal that internal layer bar 2 is arranged in
On the first link block 1, specifically, the first link block 1 can be connecting flange, the first link block 1 can be by being bonded, welding
Etc. modes be mounted on internal layer bar 2.
Further, the trip guiding device further includes the second link block 6 being arranged on the outer wall of outer layer bar 4, specifically,
Preferably, the second link block 6 can be mounting flange, and the second link block 6 can be mounted on outer layer by the modes such as being bonded, welding
On bar 4.
In order to improve the packaging efficiency of stroke guiding device, it is preferable that internal layer bar 2 and the first pull rod locating part 11 are integrated into
Type structure.Further, it is preferred that intermediate bar assembly 3 is an integral molding structure with the second pull rod locating part 12.
The hole that positioning tie bar 5 is passed through to 2 bottom the first pull rod locating part 11 of internal layer bar first when installation, then internal layer bar
2 are inserted in intermediate bar, so that positioning tie bar 5 is passed through the hole of 2 bottom the second pull rod locating part 12 of internal layer bar, and be secured with nuts;Then
Assembled internal layer bar 2 is inserted in outer layer bar 4, the second limit sliding chutes 10 in intermediate bar assembly 3 is made to be directed at the second retention bead 7,
And the second retention bead 7 is mounted at the second limit sliding chutes 10 in intermediate bar assembly 3, finally by third pull rod locating part 9
It is fixed on the bottom of outer layer bar 4, when intermediate bar assembly 3 includes multiple intermediate bars, the second limit sliding chutes 10 or the second limit convex
It rises and is arranged on outermost intermediate bar.
When work, the first link block 1 is connect with internal layer bar 2, specifically, the first link block 1 can pass through bolt and movement
Component is connected, and the second link block 6 is connect with outer layer bar 4, specifically, the second link block 6 is connected by bolt with extraneous fixing piece.
When stroke guiding device stretches out, internal layer bar 2 is drawn out under the drive of the first link block 1, when 2 bottom of internal layer bar and positioning tie bar
Positioning tie bar 5 drives intermediate bar assembly 3 to move when 5 contact, is drawn out together, at this time the second limit convex in intermediate bar assembly 3
It plays 7 the second limit sliding chutes 10 on outer layer bar 4 to move, when the second retention bead 7 moves to the second limit sliding chutes of outer layer bar 4
Guide rail is fully extended when 10 the top, completes extending action.
When stroke guiding device is withdrawn, the second retention bead 7 in intermediate bar assembly 3 is limited along outer layer bar 4 second to be slided
Slot 10 moves to bottom, and 5 bottom of positioning tie bar is contacted with the third pull rod locating part 9 of 4 bottom of outer layer bar, so that positioning tie bar 5
Top is moved upwards along the hole of intermediate 3 bottom of bar assembly, until internal layer bar 2 is withdrawn completely.
As can be seen from the above description, in stroke guiding device provided by the present application, by setting hollow for internal layer bar 2
Column construction avoids the aperture on internal layer bar 2, leads to the case where intensity declines on internal layer bar 2, the limit of internal layer bar 2 is using drawing
The form of bar, rather than slot on the wall of intermediate bar, it ensure that the intensity of intermediate bar is not impaired, therefore, the application provides
Stroke guiding device service life extend.
On the other hand, stroke guiding device stroke is greater than the length of mechanism itself, and stroke can accomplish structure length
Twice or more (related with the fully extended rear length of superposition section);Furthermore it is possible to by the outer diameter of internal layer bar 2 and outer layer bar 4
Internal diameter is done very close, can thus make the gap of inside and outside bar very small, to realize preferable guiding, without generating
Big shaking.
A kind of electric device provided by the present application, including stroke guiding device and for driving stroke guiding device to stretch
Moving component, wherein stroke guiding device is any of the above-described kind of stroke guiding device.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (9)
1. a kind of stroke guiding device, which is characterized in that including positioning tie bar (5) and from inside to outside successively nested to be slidably connected
Internal layer bar (2), intermediate bar assembly (3) and outer layer bar (4), the internal layer bar (2) is hollow cylindrical structure along the direction of motion, described
The side of external connection terminal on internal layer bar (2) and the intermediate bar assembly (3) far from the internal layer bar (2) is respectively equipped with first
The first pull rod limit is slidably arranged in pull rod locating part (11), the second pull rod locating part (12), the positioning tie bar (5)
On part (11) and the second pull rod locating part (12), and the both ends of the positioning tie bar (5) are equipped with and limit with first pull rod
The locating part (8) that the opposite of position part (11) and the second pull rod locating part (12) abuts.
2. stroke guiding device according to claim 1, which is characterized in that the intermediate bar assembly (3) includes along sliding
Direction is successively arranged the multiple intermediate bars being slidably connected, and the side wall one between the two neighboring intermediate bar is equipped with the first limit
Sliding slot, another one are equipped with the first retention bead being located in first limit sliding chutes.
3. stroke guiding device according to claim 1, which is characterized in that the intermediate bar assembly (3) and outer layer bar (4)
One is equipped with the second limit sliding chutes (10), and another one is equipped with second limit being located in second limit sliding chutes (10)
Position is raised (7).
4. stroke guiding device according to claim 1, which is characterized in that the intermediate bar assembly (3) is a centre
The side of bar, the external connection terminal on the outer layer bar (4) far from the internal layer bar (2) is equipped with third pull rod locating part (9).
5. stroke guiding device according to claim 4, which is characterized in that the third pull rod locating part (9) blocks institute
State the end of outer layer bar (4).
6. stroke guiding device according to claim 4, which is characterized in that the internal layer bar (2) and the intermediate bar group
Part (3) and the outer layer bar (4) wall thickness are equal.
7. stroke guiding device according to claim 1, which is characterized in that further include being arranged in the internal layer bar (2)
The second link block (6) of the first link block (1) and setting on the outer wall of the outer layer bar (4) on external connection terminal.
8. stroke guiding device according to claim 1, which is characterized in that the internal layer bar (2) and first pull rod
Locating part (11) is an integral molding structure.
9. stroke guiding device according to claim 1, which is characterized in that the intermediate bar assembly (3) and described second
Pull rod locating part (12) is an integral molding structure.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821706216.XU CN208919079U (en) | 2018-10-19 | 2018-10-19 | Stroke guiding device and electric device |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201821706216.XU CN208919079U (en) | 2018-10-19 | 2018-10-19 | Stroke guiding device and electric device |
Publications (1)
Publication Number | Publication Date |
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CN208919079U true CN208919079U (en) | 2019-05-31 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201821706216.XU Withdrawn - After Issue CN208919079U (en) | 2018-10-19 | 2018-10-19 | Stroke guiding device and electric device |
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CN (1) | CN208919079U (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980203A (en) * | 2018-10-19 | 2018-12-11 | 北京中车重工机械有限公司 | Stroke guiding device and electric device |
-
2018
- 2018-10-19 CN CN201821706216.XU patent/CN208919079U/en not_active Withdrawn - After Issue
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980203A (en) * | 2018-10-19 | 2018-12-11 | 北京中车重工机械有限公司 | Stroke guiding device and electric device |
CN108980203B (en) * | 2018-10-19 | 2024-01-26 | 北京中车重工机械有限公司 | Stroke guide device and electric device |
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Legal Events
Date | Code | Title | Description |
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GR01 | Patent grant | ||
GR01 | Patent grant | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned | ||
AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20240126 |
|
AV01 | Patent right actively abandoned |
Granted publication date: 20190531 Effective date of abandoning: 20240126 |