CN209398705U - A kind of length adjustable type gear rack - Google Patents
A kind of length adjustable type gear rack Download PDFInfo
- Publication number
- CN209398705U CN209398705U CN201821981621.2U CN201821981621U CN209398705U CN 209398705 U CN209398705 U CN 209398705U CN 201821981621 U CN201821981621 U CN 201821981621U CN 209398705 U CN209398705 U CN 209398705U
- Authority
- CN
- China
- Prior art keywords
- linkage section
- section
- gear rack
- linkage
- hole
- 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
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- Transmission Devices (AREA)
- Gears, Cams (AREA)
Abstract
The utility model discloses a kind of length adjustable type gear racks, splice tooth section including several, the splicing tooth section includes gear rack body section, first linkage section, second linkage section and third linkage section, first linkage section and third linkage section is located at the both ends of gear rack body section, second linkage section is located at the other end of the first linkage section, the first through hole for being mutually perpendicular to and being connected to there are two being set on first linkage section, second linkage section is equipped with external screw thread far from the part of gear rack body section, the third linkage section is equipped with the second through-hole, the first threaded hole and the second threaded hole matched with the screw thread of the first linkage section and the second linkage section is equipped in the gear rack body section, several splicing tooth sections are threadedly coupled according to the required length of gear rack, the position that the first linkage section is connected with third is limited by wire, and benefit So that the rough surface of the two is in contact with the pulling force of wire, further prevents the junction relative rotation of splicing tooth section.
Description
[technical field]
The utility model relates to the technical field of gear rack, especially a kind of technical field of length adjustable type gear rack.
[background technique]
Gear rack mostly uses greatly overall structure, can not arbitrarily increase or cut down the length of gear rack, flexibility is bad, is not easy to
It uses.Prior art published application number is a kind of gear rack of CN201721711377.3, including gear rack, cusp and tooth arc, cusp
Gear rack surface is respectively positioned on tooth arc, and cusp and tooth arc be in being staggered, gear rack includes No.1 gear rack section and No. two gear rack sections, and one
Number gear rack section and No. two gear rack section tops are equipped with screw hole, and screw hole is embedded in No.1 gear rack section and No. two gear rack section tops, and two
Number gear rack section bottom end is equipped with stud, is equipped with screw thread on screw hole inner wall, is embedded with seal gasket in the screw thread.Pass through setting one
Number gear rack section and No. two gear rack sections, and No.1 gear rack section and No. two gear rack sections are combined connection using stud and screw hole, it can
With the length appropriate for increasing gear rack, it is easy to use, convenient disassembly.But when the gear rack is after using more long a period of time,
Seal gasket is easy aging, if gear rack is by more strong vibration, the junction of No.1 gear rack section and No. two gear rack sections at this time
Can because fastness is not big enough and the problem of will appear loosening.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of length adjustable type gear rack, can
By the first linkage section, the second linkage section, the first threaded hole and the second threaded hole by several splicing tooth sections according to the institute of gear rack
It needs length and is threadedly coupled, the first linkage section is limited by the wire being fixed in first through hole and the second through-hole and third connects
The position of section is connect, and so that the rough surface of the two is in contact using the pulling force of wire, further prevents the connection of splicing tooth section
Place as relative rotation caused by loosen problem.
To achieve the above object, the utility model proposes a kind of length adjustable type gear racks, including several splicing tooth sections,
The splicing tooth section includes gear rack body section, the first linkage section, the second linkage section and third linkage section, first connection
Section and third linkage section are located at the both ends of gear rack body section, and second linkage section is located at the other end of the first linkage section,
Second linkage section is equipped with external screw thread, is set on first linkage section there are two the first through hole for being mutually perpendicular to and being connected to,
Second linkage section is equipped with external screw thread far from the part of gear rack body section, and the third linkage section is equipped with the second through-hole, institute
State the first threaded hole and the second screw thread for being equipped in gear rack body section and matching with the screw thread of the first linkage section and the second linkage section
Hole.
Preferably, several described splicing tooth sections are by by the first linkage section, the second linkage section, the first threaded hole and the
It is threadedly coupled before and after two threaded holes, is passed through in the first through hole and the second through-hole and is fixed with wire.
Preferably, the gear rack body section, the first linkage section, the second linkage section and third linkage section are structure as a whole.
Preferably, the third linkage section is two curved shapes, the arc diameter on the inside of the third linkage section
Greater than the diameter of the first linkage section.
Preferably, the inside of the third linkage section and the first linkage section are equipped with coarse line in addition to having at external screw thread
Road.
Preferably, diameter of the diameter of second linkage section less than the first linkage section.
Preferably, first threaded hole, the second threaded hole and third linkage section are located at the same end of gear rack body section.
The utility model has the beneficial effects that the utility model by the first linkage section, the second linkage section, the first threaded hole and
Several splicing tooth sections are threadedly coupled according to the required length of gear rack by the second threaded hole, by being fixed on first through hole and the
Wire in two through-holes limits the position that the first linkage section is connected with third, and makes the coarse of the two using the pulling force of wire
Surface is in contact, further prevent splicing tooth section junction as relative rotation and caused by loosen problem.
The feature and advantage of the utility model will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of main view of length adjustable type gear rack of the utility model；
Fig. 2 is the A-A direction view of Fig. 1；
Fig. 3 is a kind of main view of the splicing tooth section of length adjustable type gear rack of the utility model；
Fig. 4 is a kind of right view of the splicing tooth section of length adjustable type gear rack of the utility model；
Fig. 5 is a kind of left view of the splicing tooth section of length adjustable type gear rack of the utility model.
In figure: 1- splices tooth section, 11- gear rack body section, the first threaded hole of 111-, the second threaded hole of 112-, 12- first
Linkage section, 121- first through hole, the second linkage section of 13-, 14- third linkage section, the second through-hole of 141- and 2- wire.
[specific embodiment]
It is described refering to fig. 1 to Fig. 5, a kind of length adjustable type gear rack of the utility model, including several splicing tooth sections 1
Splice tooth section 1 include gear rack body section 11, the first linkage section 12, the second linkage section 13 and third linkage section 14, described first
Linkage section 12 and third linkage section 14 are located at the both ends of gear rack body section 11, and second linkage section 13 is located at the first connection
The other end of section 12, second linkage section 13 are equipped with external screw thread, set that there are two be mutually perpendicular on first linkage section 12
And the first through hole 121 being connected to, second linkage section 13 are equipped with external screw thread, the third far from the part of gear rack body section 11
Linkage section 14 is equipped with the second through-hole 141, is equipped with and the first linkage section 12 and the second linkage section 13 in the gear rack body section 11
Screw thread the first threaded hole 111 and the second threaded hole 112 that match, several described splicing tooth sections 1 are by by the first connection
It is threadedly coupled before and after the 12, second linkage section 13 of section, the first threaded hole 111 and the second threaded hole 112,121 He of first through hole
Wire 2, the gear rack body section 11, the first linkage section 12,13 and of the second linkage section are passed through and are fixed in second through-hole 141
Third linkage section 14 is structure as a whole, and the third linkage section 14 is two curved shapes, 14 inside of third linkage section
Arc diameter be greater than the first linkage section 12 diameter, the inside of the third linkage section 14 and the first linkage section 12 are in addition to having
Be equipped with coarse lines at external screw thread, the diameter of second linkage section 13 less than the first linkage section 12 diameter, described first
Threaded hole 111, the second threaded hole 112 and third linkage section 14 are located at the same end of gear rack body section 11.
Utility model works process:
A kind of length adjustable type gear rack of the utility model during the work time, first according to the length of required gear rack, successively
First linkage section 12 of the latter splicing tooth section 1 and the second linkage section 13 are screwed in the first threaded hole of previous splicing tooth section 1
111 and second threaded hole 112, wire 2 is then passed through into first through hole 121 and the second through-hole 141 and firmly fixed tight again,
Make third linkage section 14 slightly to axle center deformation using the pulling force of wire 2 until the coarse table of 14 inside of third linkage section simultaneously
Rough surface of the face contact to 12 outside of the first linkage section.
The utility model is spelled several by the first linkage section, the second linkage section, the first threaded hole and the second threaded hole
It connects tooth section to be threadedly coupled according to the required length of gear rack, be limited by the wire being fixed in first through hole and the second through-hole
The position that first linkage section is connected with third, and so that the rough surface of the two is in contact using the pulling force of wire, further prevent
Only splice tooth section junction as relative rotation and caused by loosen problem.
Above-described embodiment is the explanation to the utility model, is not the restriction to the utility model, and any pair of sheet is practical new
Scheme after type simple transformation belongs to the protection scope of the utility model.
Claims (7)
1. a kind of length adjustable type gear rack, it is characterised in that: splice tooth section (1) including several, splicing tooth section (1) packet
Include gear rack body section (11), the first linkage section (12), the second linkage section (13) and third linkage section (14), first connection
Section (12) and third linkage section (14) are located at the both ends of gear rack body section (11), and second linkage section (13) is located at first
The other end of linkage section (12), second linkage section (13) are equipped with external screw thread, and first linkage section (12) is equipped with two
A first through hole (121) for being mutually perpendicular to and being connected to, second linkage section (13) set far from the part of gear rack body section (11)
There is external screw thread, the third linkage section (14) is equipped with the second through-hole (141), is equipped with and first in the gear rack body section (11)
The first threaded hole (111) and the second threaded hole (112) that the screw thread of linkage section (12) and the second linkage section (13) matches.
2. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: several described splicings tooth section (1) are logical
It crosses and connects screw thread before and after the first linkage section (12), the second linkage section (13), the first threaded hole (111) and the second threaded hole (112)
It connects, passes through in the first through hole (121) and the second through-hole (141) and be fixed with wire (2).
3. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: the gear rack body section (11), first
Linkage section (12), the second linkage section (13) and third linkage section (14) are structure as a whole.
4. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: the third linkage section (14) is two
Curved shape, the arc diameter on the inside of the third linkage section (14) are greater than the diameter of the first linkage section (12).
5. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: the inside of the third linkage section (14)
And first linkage section (12) in addition to having coarse lines is equipped at external screw thread.
6. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: the diameter of second linkage section (13)
Less than the diameter of the first linkage section (12).
7. a kind of length adjustable type gear rack as described in claim 1, it is characterised in that: first threaded hole (111), second
Threaded hole (112) and third linkage section (14) are located at the same end of gear rack body section (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981621.2U CN209398705U (en) | 2018-11-29 | 2018-11-29 | A kind of length adjustable type gear rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981621.2U CN209398705U (en) | 2018-11-29 | 2018-11-29 | A kind of length adjustable type gear rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209398705U true CN209398705U (en) | 2019-09-17 |
Family
ID=67881094
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821981621.2U Expired - Fee Related CN209398705U (en) | 2018-11-29 | 2018-11-29 | A kind of length adjustable type gear rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209398705U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322895A (en) * | 2018-11-29 | 2019-02-12 | 海盐万瑞标准件有限公司 | A kind of length adjustable type gear rack |
-
2018
- 2018-11-29 CN CN201821981621.2U patent/CN209398705U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109322895A (en) * | 2018-11-29 | 2019-02-12 | 海盐万瑞标准件有限公司 | A kind of length adjustable type gear rack |
| CN109322895B (en) * | 2018-11-29 | 2024-05-07 | 海盐万德弗精密五金有限公司 | Length-adjustable dental strip |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20190917 Termination date: 20211129 |