CN109322895A - A kind of length adjustable type gear rack - Google Patents
A kind of length adjustable type gear rack Download PDFInfo
- Publication number
- CN109322895A CN109322895A CN201811439755.6A CN201811439755A CN109322895A CN 109322895 A CN109322895 A CN 109322895A CN 201811439755 A CN201811439755 A CN 201811439755A CN 109322895 A CN109322895 A CN 109322895A
- 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.)
- Granted
Links
- PCHJSUWPFVWCPO-UHFFFAOYSA-N gold Chemical compound [Au] PCHJSUWPFVWCPO-UHFFFAOYSA-N 0.000 abstract 1
- 239000010931 gold Substances 0.000 abstract 1
- 229910052737 gold Inorganic materials 0.000 abstract 1
- 230000032683 aging Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000009466 transformation Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16B—DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS OR MACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS, CLIPS OR WEDGES; JOINTS OR JOINTING
- F16B35/00—Screw-bolts; Stay-bolts; Screw-threaded studs; Screws; Set screws
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Transmission Devices (AREA)
- Gears, Cams (AREA)
- Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
Abstract
The invention 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 utilize gold The pulling force for belonging to silk makes the rough surface of the two be in contact, and further prevents the junction relative rotation of splicing tooth section.
Description
[technical field]
The present invention 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.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, proposes a kind of length adjustable type gear rack, can pass through
First linkage section, the second linkage section, the first threaded hole and the second threaded hole are by several splicing tooth sections according to the required length of gear rack
It spends and is threadedly coupled, limit what the first linkage section was connected with third with the wire in the second through-hole by being fixed on first through hole
Position, and being in contact using the rough surface that the pulling force of wire both makes, further prevent the junction of splicing tooth section due to
Relative rotation and caused by loosen problem.
To achieve the above object, the invention proposes a kind of length adjustable type gear racks, including several splicing tooth sections, described
Splicing tooth section include gear rack body section, the first linkage section, the 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, and second linkage section is located at the other end of the first linkage section, described
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, described
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, the tooth
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 body section.
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.
Beneficial effects of the present invention: the present invention passes through the first linkage section, the second linkage section, the first threaded hole and the second screw thread
Several splicing tooth sections are threadedly coupled by hole according to the required length of gear rack, by being fixed in first through hole and the second through-hole
Wire limit the position that connect with third of the first linkage section, and so that the rough surface of the two is connected using the pulling force of wire
Touching, further prevent splicing tooth section junction as relative rotation and caused by loosen problem.
Feature and advantage of the invention 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 present invention；
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 present invention；
Fig. 4 is a kind of right view of the splicing tooth section of length adjustable type gear rack of the present invention；
Fig. 5 is a kind of left view of the splicing tooth section of length adjustable type gear rack of the present invention.
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 and connects
Connect 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]
Refering to fig. 1 to Fig. 5, a kind of length adjustable type gear rack of the present invention, including several splicing tooth sections 1, the splicing
Tooth section 1 includes 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 the first linkage section 12
The other end, second linkage section 13 is equipped with external screw thread, sets that there are two be mutually perpendicular to and even on first linkage section 12
Logical first through hole 121, second linkage section 12 are equipped with external screw thread, the third connection far from the part of gear rack body section 11
Section 14 is equipped with the second through-hole 141, and the spiral shell with the first linkage section 12 and the second linkage section 13 is equipped in the gear rack body section 11
The first threaded hole 111 and the second threaded hole 112 that line matches, it is described several splicing tooth sections 1 by by the first linkage section 12,
It is threadedly coupled before and after second linkage section 13, the first threaded hole 111 and the second threaded hole 112, the first through hole 121 and second is logical
Wire 2 is passed through and is fixed in hole 141, and the gear rack body section 11, the first linkage section 12, the second linkage section 13 and third connect
It connects section 14 to be structure as a whole, the third linkage section 4 is two curved shapes, and the circular arc of 4 inside of third linkage section is straight
Diameter is greater than the diameter of the first linkage section 12, and the inside of the third linkage section 14 and the first linkage section 12 are in addition to having at external screw thread
It is equipped with coarse lines, diameter of the diameter less than the first linkage section 12 of second linkage section 13, 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.
The course of work of the present invention:
A kind of length adjustable type gear rack of the present invention during the work time, first according to the length of required gear rack, successively will after
One the first linkage section 12 for splicing tooth section 1 and the second linkage section 13 screw in 111 He of the first threaded hole of previous splicing tooth section 1
Wire 2 is then passed through first through hole 121 and the second through-hole 141 again and firmly fixed tight while sharp by the second threaded hole 112
Make third linkage section 14 slightly to axle center deformation with the pulling force of wire 2 until the Studies On Contacts of Rough Surfaces of 14 inside of third linkage section
To the rough surface in 12 outside of the first linkage section.
Several are spliced tooth by the first linkage section, the second linkage section, the first threaded hole and the second threaded hole by the present invention
Section is threadedly coupled according to the required length of gear rack, limits first by the wire being fixed in first through hole and the second through-hole
The position that linkage section is connected with third, and so that the rough surface of the two is in contact using the pulling force of wire, it further prevents spelling
The junction of tooth section is connect as relative rotation and caused by loosen problem.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
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 (12) 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 (4) is two
Curved shape, the arc diameter on the inside of the third linkage section (4) 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 |
|---|---|---|---|
| CN201811439755.6A CN109322895B (en) | 2018-11-29 | 2018-11-29 | Length-adjustable dental strip |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811439755.6A CN109322895B (en) | 2018-11-29 | 2018-11-29 | Length-adjustable dental strip |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109322895A true CN109322895A (en) | 2019-02-12 |
| CN109322895B CN109322895B (en) | 2024-05-07 |
Family
ID=65259456
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811439755.6A Active CN109322895B (en) | 2018-11-29 | 2018-11-29 | Length-adjustable dental strip |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109322895B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513518A (en) * | 2021-04-16 | 2021-10-19 | 海盐欣远科技股份有限公司 | Implanted connecting dental strip for tunnel wall |
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| CN215634276U (en) * | 2021-07-09 | 2022-01-25 | 长治宏瀚机械制造有限公司 | Bolt with adjustable length |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113513518A (en) * | 2021-04-16 | 2021-10-19 | 海盐欣远科技股份有限公司 | Implanted connecting dental strip for tunnel wall |
| CN113513518B (en) * | 2021-04-16 | 2023-02-28 | 海盐欣远科技股份有限公司 | Implanted connecting dental strip for tunnel wall |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109322895B (en) | 2024-05-07 |
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| TA01 | Transfer of patent application right |
Effective date of registration: 20231207 Address after: 314300 North side of Yanjiatang, Sanlian Village, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province Applicant after: Haiyan Wandefu Precision Hardware Co.,Ltd. Address before: No. 1 Wanrui Road, Sanlian Village, Yucheng Town, Haiyan County, Jiaxing City, Zhejiang Province, 314300 Applicant before: HAIYAN WANRUI STANDARD PART Co.,Ltd. |
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