CN207848163U - A kind of screw rod - Google Patents
A kind of screw rod Download PDFInfo
- Publication number
- CN207848163U CN207848163U CN201820258774.8U CN201820258774U CN207848163U CN 207848163 U CN207848163 U CN 207848163U CN 201820258774 U CN201820258774 U CN 201820258774U CN 207848163 U CN207848163 U CN 207848163U
- Authority
- CN
- China
- Prior art keywords
- screw
- fastening
- screw rod
- sub
- locking device
- 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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- Mutual Connection Of Rods And Tubes (AREA)
Abstract
The utility model provides a kind of screw rod, including driving screw, sub-screw and anchorage bar, the driving screw are connected with the sub-screw, and the anchorage bar is connected by fastening thread with the driving screw across the sub-screw, it is characterised in that：It is provided with the locking device for locking the anchorage bar on the driving screw, the lock slots to match with the locking device are provided on the driving screw, the locking device can move back and forth in the lock slots.The utility model has the beneficial effects that effectively improving the using flexible of screw rod, regular length can be adjusted according to onsite application situation, while the safety in utilization of screw rod can also be effectively improved, effectively avoid the occurrence of slipping.
Description
Technical field
The utility model belongs to screw-rod structure design field, more particularly, to a kind of screw rod.
Background technology
In existing technology, screw rod be typically all for target to be fixed, however in actual use, by
In the difference of actual use situation, screw rod can be caused to use the difference of length, therefore to prepare in actual use a variety of
Length screw rod thus causes the inconvenience during screw rod use, therefore traditional screw rod does not have length adjustment function, and
And traditional screw rod is also easy to slip, this reduces the safety in utilization of screw rod, and there are some potential safety problemss.
Invention content
The purpose of this utility model is to provide a kind of screw rod so that and the screw rod has the function of lock function and length adjustment,
Substantially increase the usage safety performance and using flexible of screw rod.
In order to achieve the above object, the technical solution adopted in the utility model is：A kind of screw rod, including driving screw, sub-screw and
Anchorage bar, the driving screw are connected with the sub-screw, the anchorage bar pass through the sub-screw by fastening thread with it is described
Driving screw is connected, it is characterised in that：The locking device for locking the anchorage bar, the main spiral shell are provided on the driving screw
The lock slots to match with the locking device are provided on bar, the locking device can back and forth be transported in the lock slots
It is dynamic.
Preferably, fixing groove and fixed pin, the sub-screw profit are respectively arranged on the driving screw and the sub-screw
It can be realized with the fixed pin and be bonded with the driving screw, be also equipped with the fixing groove on the sub-screw.
Preferably, the anchorage bar includes fastening plunger, fastening screw and fastening cap, and the fastening plunger passes through described tight
Gu screw rod is connected with the fastening cap.
Preferably, the fastening screw both ends are respectively arranged with cross and consolidate slot and the firm protrusion of cross, the holding pin
Head and the fastening cap are respectively arranged with the firm slot of the cross being mutually matched with the fastening screw and the cross is firm
Protrusion.
Preferably, the locking device includes locking pin, pressure transmission rod and adjustable spring, and the pressure transmission rod is fixed
At the middle part of the locking pin, the locking pin is connected by the pressure transmission rod with the adjustable spring, the locking dress
It sets and is fixed in the lock slots by the adjustable spring, the locking device is realized using the locking pin to the fastening
The fastening of bar.
Preferably, the end face that the locking pin is in contact with the anchorage bar is inclined design and is provided with several semicircles
Shape anti-skid bulge.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme so that the screw rod has
Lock function can improve the safety in utilization of screw rod using locking device, reduce the slippage of screw rod and target；In addition the screw rod
Have the function of length adjustment, the adjusting of length can be carried out according to actual use situation, substantially increases the using flexible of screw rod
Property.
Description of the drawings
Fig. 1 is the structural schematic diagram of the utility model.
In figure：1, driving screw；11, lock slots；2, sub-screw；3, anchorage bar；31, plunger is fastened；32, fastening screw；
321, cross consolidates slot；322, the firm protrusion of cross；33, fastening cap；4, locking device；41, locking pin；42, pressure transmission rod；
43, adjustable spring；5, fixing groove；6, fixed pin；
Specific implementation mode
Below against attached drawing, by the description of the embodiment, to specific embodiment of the present utility model, it is such as involved
Mutual alignment and connection relation, the effect of each section and operation principle between the shape of each component, construction, each section etc. make into
The detailed description of one step.
As shown in Figure 1, the utility model provides a kind of screw rod, including driving screw 1, sub-screw 2 and anchorage bar 3, driving screw 1
It is connected with sub-screw 2, anchorage bar 3 is connected by fastening thread with driving screw 1 across sub-screw 2, is provided with and is used on driving screw 1
The locking device 4 of anchorage bar 3 is locked, is provided with the lock slots 11 to match with locking device 4 on driving screw 1, locking device 4 can
It moves back and forth in lock slots 11.
Preferably, it is respectively arranged with fixing groove 5 and fixed pin 6 on driving screw 1 and sub-screw 2, sub-screw 2 utilizes fixed pin
6 can realize and are bonded with driving screw 1, fixing groove 5 is also equipped on sub-screw, multiple sub-screws 2 can pass through 5 He of fixing groove
Fixed pin 6 realizes the increase and shortening of length.
Preferably, anchorage bar 3 includes fastening plunger 31, fastening screw 32 and fastening cap 33, and fastening plunger 31 passes through fastening
Screw rod 32 is connected with fastening cap 33.
Preferably, 32 both ends of fastening screw are respectively arranged with cross and consolidate slot 321 and the firm protrusion 322 of cross, holding pin
First 31 and fastening cap 33 be respectively arranged with the cross being mutually matched with fastening screw 32 and consolidate slot 321 and the firm protrusion 322 of cross,
Multiple fastening screws 32 consolidate slot 321 and cross firm raised 322 using cross can realize the increase or shortening of length so that tight
Gu screw rod has the function of length adjustment.
Preferably, locking device 4 includes locking pin 41, pressure transmission rod 42 and adjustable spring 43, and pressure transmission rod 42 is solid
It is scheduled on the middle part of locking pin 41, locking pin 41 is connected by pressure transmission rod 42 with adjustable spring 43, and locking device 4 passes through flexible
Spring 43 is fixed in lock slots 11, and locking device 4 realizes the fastening to anchorage bar 3 using locking pin 41.
Preferably, the end face that locking pin 41 is in contact with anchorage bar 3 is inclined design and is provided with several semicircle anti-
Sliding protrusion, for improving the frictional force between locking pin 41 and anchorage bar 3.
The utility model has the advantages and positive effects of：Due to the adoption of the above technical scheme so that the screw rod has
Lock function can improve the safety in utilization of screw rod using locking device, reduce the slippage of screw rod and target；In addition the screw rod
Have the function of length adjustment, the adjusting of length can be carried out according to actual use situation, substantially increases the using flexible of screw rod
Property.
The course of work of this example：The screw rod has ability to dismantle, and multiple pairs can be realized using fixing groove 5 and fixed pin 6
Multiple superpositions of screw rod 2, can increase active length；Utilize the extending out effect and can realize main spiral shell to locking device 4 of anchorage bar 3
The fastening of bar 1 prevents loosening for screw rod, improves the security performance of screw rod, in addition with the superposition of multiple sub-screws 2, fastens spiral shell
Bar 3 can also constantly be superimposed and then realize the extension of length, substantially increase practicability and the safety of screw rod.
The embodiments of the present invention are described in detail above, but the content is only the preferable of the utility model
Embodiment should not be considered as limiting the scope of the present invention.It is made according to the scope of application of this utility model equal
Deng variation and improvement etc., should all still belong within the patent covering scope of the utility model.
Claims (6)
1. a kind of screw rod, including driving screw, sub-screw and anchorage bar, the driving screw are connected with the sub-screw, the fastening
Bar is connected by fastening thread with the driving screw across the sub-screw, it is characterised in that：It is arranged on the driving screw useful
In being provided with the lock slots to match with the locking device, institute on the locking device for locking the anchorage bar, the driving screw
Stating locking device can move back and forth in the lock slots.
2. a kind of screw rod according to claim 1, it is characterised in that：It is respectively set on the driving screw and the sub-screw
There are a fixing groove and fixed pin, the sub-screw can be realized using the fixed pin and is bonded with the driving screw, the pair
The fixing groove is also equipped on screw rod.
3. a kind of screw rod according to claim 1, it is characterised in that：The anchorage bar includes fastening plunger, fastening screw
And fastening cap, the fastening plunger are connected by the fastening screw with the fastening cap.
4. a kind of screw rod according to claim 3, it is characterised in that：It is steady that the fastening screw both ends are respectively arranged with cross
Gu the firm protrusion of slot and cross, the fastening plunger and the fastening cap are respectively arranged with and are mutually matched with the fastening screw
The cross consolidates slot and the firm protrusion of the cross.
5. a kind of screw rod according to claim 1, it is characterised in that：The locking device includes locking pin, pressure transmission
Bar and adjustable spring, the pressure transmission rod are fixed on the middle part of the locking pin, and the locking pin passes through the pressure transmission
Bar is connected with the adjustable spring, and the locking device is fixed on by the adjustable spring in the lock slots, the locking
Device realizes the fastening to the anchorage bar using the locking pin.
6. a kind of screw rod according to claim 5, it is characterised in that：The end that the locking pin is in contact with the anchorage bar
Face is inclined design and is provided with several semicircle anti-skid bulges.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258774.8U CN207848163U (en) | 2018-02-14 | 2018-02-14 | A kind of screw rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820258774.8U CN207848163U (en) | 2018-02-14 | 2018-02-14 | A kind of screw rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207848163U true CN207848163U (en) | 2018-09-11 |
Family
ID=63409621
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820258774.8U Expired - Fee Related CN207848163U (en) | 2018-02-14 | 2018-02-14 | A kind of screw rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207848163U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536130A (en) * | 2020-04-25 | 2020-08-14 | 扬州华交轨道交通科技有限公司 | Adjustable stainless steel fastener |
| CN111637131A (en) * | 2020-04-18 | 2020-09-08 | 潍坊职业学院 | Ball type parcel formula movable nut |
-
2018
- 2018-02-14 CN CN201820258774.8U patent/CN207848163U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111637131A (en) * | 2020-04-18 | 2020-09-08 | 潍坊职业学院 | Ball type parcel formula movable nut |
| CN111536130A (en) * | 2020-04-25 | 2020-08-14 | 扬州华交轨道交通科技有限公司 | Adjustable stainless steel fastener |
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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: 20180911 Termination date: 20190214 |