CN209398708U - A kind of double end gear rack - Google Patents
A kind of double end gear rack Download PDFInfo
- Publication number
- CN209398708U CN209398708U CN201821981823.7U CN201821981823U CN209398708U CN 209398708 U CN209398708 U CN 209398708U CN 201821981823 U CN201821981823 U CN 201821981823U CN 209398708 U CN209398708 U CN 209398708U
- Authority
- CN
- China
- Prior art keywords
- bar
- rank
- hole
- order
- double 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
Abstract
The utility model discloses a kind of double end gear racks, including sub bar and female bar, the sub bar includes the first rank bar and the first turret head positioned at first rank bar one end, female bar includes second-order bar and the third rank bar and the second turret head for being located at second-order bar both ends, the first rank bar and second-order bar are equipped with external screw thread, changeover portion is equipped between the second-order bar and third rank bar, first through hole and the second through-hole are respectively equipped in the third rank bar and changeover portion, the inner wall of the first through hole is equipped with internal screw thread, the two sides up and down of the third rank bar are respectively equipped with the through slot to connect with first through hole, the through slot is built-in with rubber cushion blocks, change the position in entire double end gear rack of third rank bar by adjusting the length in the first rank bar precession first through hole, using the attachment covered on third rank bar to axle center side Rubber cushion blocks into pressing through slot, to compress the sub bar in female bar, using flexible, anti-loosing effect is good.
Description
[technical field]
The utility model relates to the technical field of gear rack, especially a kind of technical field of double end gear rack.
[background technique]
Studs is that a kind of axial ends all has threaded column fastener, and being mainly used for main body is large scale equipment,
Need to install attachment, such as visor, mechanical sealing base, deceleration rack etc., the studs at this moment just used, one end is screwed into master
Body, the other end install other end band top nut again after attachment for installing attachment.Since attachment is often dismantled, directly
When using bolt-connection main body and attachment, main body thread can wear or damage over time, and use studs for attachment
Replacement can be very convenient.But each locations of structures of studs is fixed, and can not adjust the position of smooth bar part as needed,
It is inconvenient to use, and be easy to loosen in use process.
[utility model content]
The purpose of this utility model is exactly to solve the problems of the prior art, proposes a kind of double end gear rack, can pass through tune
The length in the first rank bar precession first through hole is saved to change the position in entire double end gear rack of third rank bar, utilizes set
Spirit is used to compress the sub bar in female bar in rubber cushion blocks of the attachment on third rank bar into axis direction pressing through slot
Living, anti-loosing effect is good.
To achieve the above object, the utility model proposes a kind of double end gear rack, including sub bar and female bar, the sub bars
The first turret head including the first rank bar and positioned at first rank bar one end, female bar include second-order bar and are located at the
The third rank bar and the second turret head at second order bar both ends, the first rank bar and second-order bar be equipped with external screw thread, described second
It is equipped with changeover portion between rank bar and third rank bar, first through hole and second is respectively equipped in the third rank bar and changeover portion and is led to
The inner wall in hole, the first through hole is equipped with internal screw thread, and the two sides up and down of the third rank bar are respectively equipped with and first through hole phase
The through slot of perforation, the through slot are built-in with rubber cushion blocks.
Preferably, the diameter of the first rank bar is consistent with the diameter of second-order bar, the diameter of the second-order bar is small
In the diameter of third rank bar, the aperture of the first through hole is consistent with the diameter of the first rank bar, the aperture of second through-hole with
Length between two opposite angles of first turret head end face hexagon is consistent, and the first through hole and the second through-hole connect.
Preferably, the external screw thread on the first rank bar is matched with the internal screw thread on first through hole inner wall.
Preferably, the two sides of the rubber cushion blocks are equipped with convex block, the two sides of the through slot are equipped with up and down for convex block
Groove.
Preferably, one side of the rubber cushion blocks far from female bar axle center is cambered surface.
Preferably, the first rank bar and the first turret head are integral structures, the second-order bar, the second turret head,
Changeover portion and third rank bar are integral structures.
The utility model has the beneficial effects that the utility model by adjust the first rank bar precession first through hole in length from
And change the position in entire double end gear rack of third rank bar, it is pressed using the attachment covered on third rank bar to axis direction
Rubber cushion blocks in through slot, to compress the sub bar in female bar, using flexible, anti-loosing effect is good.
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 double end gear rack of the utility model；
Fig. 2 is a kind of main view of the sub bar of double end gear rack of the utility model；
Fig. 3 is a kind of cross-sectional view of female bar with rubber cushion blocks of double end gear rack of the utility model；
Fig. 4 is a kind of cross-sectional view of female bar of double end gear rack of the utility model；
Fig. 5 is a kind of top view of female bar of double end gear rack of the utility model.
In figure: 1- sub bar, the first turret head of 11-, the first rank of 12- bar, mother's 2- bar, the second turret head of 21-, 22- second-order
Bar, 23- changeover portion, the second through-hole of 231-, 24- third rank bar, 241- first through hole, 242- through slot, 243- groove, 25- rubber
Cushion block, 251- convex block and 252- cambered surface.
[specific embodiment]
Refering to fig. 1 to Fig. 5, a kind of double end gear rack of the utility model, including sub bar 1 and female bar 2, the sub bar 1 includes
First rank bar 12 and the first turret head 11 positioned at 12 one end of the first rank bar, female bar 2 include second-order bar 22 and respectively
Third rank bar 24 and the second turret head 21 positioned at 22 both ends of second-order bar, the first rank bar 12 and second-order bar 22 are equipped with
External screw thread is equipped with changeover portion 23, in the third rank bar 24 and changeover portion 23 between the second-order bar 22 and third rank bar 24
It is respectively equipped with first through hole 241 and the second through-hole 231, the inner wall of the first through hole 241 is equipped with internal screw thread, the third rank
The two sides up and down of bar 24 are respectively equipped with the through slot 242 to connect with first through hole 241, and the through slot 242 is built-in with rubber cushion blocks
25, the diameter of the first rank bar 12 is consistent with the diameter of second-order bar 22, and the diameter of the second-order bar 22 is less than third rank
The diameter of bar 24, the aperture of the first through hole 241 is consistent with the diameter of the first rank bar 12, the aperture of second through-hole 231
Length between two opposite angles of 11 end face hexagon of the first turret head is consistent, the first through hole 241 and the second through-hole
231 connect, and the external screw thread on the first rank bar 12 is matched with the internal screw thread on 241 inner wall of first through hole, the rubber
The two sides of cushion block 25 are equipped with convex block 251, and the two sides of the through slot 242 are equipped with the groove 243 up and down for convex block 251, described
One side of the rubber cushion blocks 25 far from 2 axle center of female bar is cambered surface 252, and the first rank bar 12 and the first turret head 11 are integrated knots
Structure, the second-order bar 22, the second turret head 21, changeover portion 23 and third rank bar 24 are integral structures.
Utility model works process:
A kind of double end gear rack of the utility model during the work time, pulls the first turret head 11 for sub bar 1 with spanner first
The other end be screwed into the threaded hole of main part.The second turret head 21 then is pulled with spanner, screws in sub bar 1 in female bar 2, and root
It is farthest until the first turret head 11 withstands the second through-hole according to required, position of the first rank bar 12 of adjustment in first through hole 241
231 right side.Then attachment is covered on third rank bar 24, attachment press inward against rubber cushion blocks 25 to make rubber cushion blocks 25 to
Axe movement simultaneously compresses the sub bar 1 in first through hole 241.Finally, screwing in nut fixing fitting on second-order bar 22.
The utility model by adjust the first rank bar precession first through hole in length to change third rank bar whole
Position in a double end gear rack, using cover the attachment on third rank bar to axis direction pressing through slot in rubber cushion blocks, from
And the sub bar in the female bar of compression, using flexible, anti-loosing effect are good.
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 (6)
1. a kind of double end gear rack, it is characterised in that: including sub bar (1) and female bar (2), the sub bar (1) includes the first rank bar
(12) include second-order bar (22) and divide with the first turret head (11) positioned at first rank bar (12) one end, female bar (2)
Not Wei Yu second-order bar (22) both ends third rank bar (24) and the second turret head (21), the first rank bar (12) and second-order
Bar (22) is equipped with external screw thread, is equipped with changeover portion (23) between the second-order bar (22) and third rank bar (24), the third
First through hole (241) and the second through-hole (231), the first through hole (241) are respectively equipped in rank bar (24) and changeover portion (23)
Inner wall be equipped with internal screw thread, the two sides up and down of the third rank bar (24) are respectively equipped with to connect with first through hole (241)
Through slot (242), the through slot (242) are built-in with rubber cushion blocks (25).
2. a kind of double end gear rack as described in claim 1, it is characterised in that: the diameter and second-order of the first rank bar (12)
The diameter of bar (22) is consistent, and the diameter of the second-order bar (22) is less than the diameter of third rank bar (24), the first through hole
(241) aperture is consistent with the diameter of the first rank bar (12), and the aperture and the first turret head (11) of second through-hole (231) are held
Length between two opposite angles of face hexagon is consistent, and the first through hole (241) and the second through-hole (231) connect.
3. a kind of double end gear rack as described in claim 1, it is characterised in that: external screw thread on the first rank bar (12) and the
Internal screw thread on one through-hole (241) inner wall matches.
4. a kind of double end gear rack as described in claim 1, it is characterised in that: the two sides of the rubber cushion blocks (25) are equipped with convex block
(251), the two sides of the through slot (242) are equipped with the groove (243) up and down for convex block (251).
5. a kind of double end gear rack as described in claim 1, it is characterised in that: the rubber cushion blocks (25) are far from female bar (2) axis
The one side of the heart is cambered surface (252).
6. a kind of double end gear rack as described in claim 1, it is characterised in that: the first rank bar (12) and the first turret head
It (11) is integral structure, the second-order bar (22), the second turret head (21), changeover portion (23) and third rank bar (24) are one
Structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981823.7U CN209398708U (en) | 2018-11-29 | 2018-11-29 | A kind of double end gear rack |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821981823.7U CN209398708U (en) | 2018-11-29 | 2018-11-29 | A kind of double end gear rack |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209398708U true CN209398708U (en) | 2019-09-17 |
Family
ID=67881048
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821981823.7U Expired - Fee Related CN209398708U (en) | 2018-11-29 | 2018-11-29 | A kind of double end gear rack |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209398708U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253143A (en) * | 2018-11-29 | 2019-01-22 | 海盐万瑞标准件有限公司 | A kind of double end gear rack |
-
2018
- 2018-11-29 CN CN201821981823.7U patent/CN209398708U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109253143A (en) * | 2018-11-29 | 2019-01-22 | 海盐万瑞标准件有限公司 | A kind of double end gear rack |
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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 |