CN208306823U - Positive and negative thread quick-locking mechanism - Google Patents
Positive and negative thread quick-locking mechanism Download PDFInfo
- Publication number
- CN208306823U CN208306823U CN201820312435.3U CN201820312435U CN208306823U CN 208306823 U CN208306823 U CN 208306823U CN 201820312435 U CN201820312435 U CN 201820312435U CN 208306823 U CN208306823 U CN 208306823U
- Authority
- CN
- China
- Prior art keywords
- clamp arm
- screw rod
- positive
- connecting rod
- locking mechanism
- 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.)
- Active
Links
Landscapes
- Clamps And Clips (AREA)
Abstract
The utility model relates to bicycle accessories technical fields, and disclose positive and negative thread quick-locking mechanism, including clamp arm and rotation screw rod, the clamp arm includes the first clamp arm, second clamp arm and connecting shaft, the top of first clamp arm is connected by connecting shaft with the second clamp arm, second clamp arm is fixedly connected with link block close to one end of connecting shaft, the link block is fixedly connected with handle far from one end of the second clamp arm, the middle part of first clamp arm, which is run through, first connecting rod, the middle part of second clamp arm, which is run through, the second connecting rod, the middle part of the first connecting rod and the second connecting rod is threaded with rotation screw rod.The positive and negative thread quick-locking mechanism, it is simple to have structure, it is easy to use, the advantages that work efficiency is high and is not easy anti-pine and abjection, solves traditional threaded bicycle folder when in use, the problem of tightening and the time for unclamping needs are longer, and the anti-pine of tooth is had in vibration and bracket is caused to hang together with mobile device.
Description
Technical field
The utility model relates to bicycle accessories technical field, specially positive and negative thread quick-locking mechanism.
Background technique
Traditional threaded bicycle is clipped in use, the time tightened and unclamp needs is longer, and has in vibration
Tooth is anti-loose and bracket is caused to hang together with mobile device.
Utility model content
(1) the technical issues of solving
In view of the deficiencies of the prior art, the utility model provides a kind of positive and negative thread quick-locking mechanism, has structure
Simply, easy to use, work efficiency is high and is not easy the advantages that anti-pine is with deviating from, and solving traditional threaded bicycle and being clipped in makes
Used time, tightening and the time for unclamping needs are longer, and have the anti-pine of tooth in vibration and bracket is caused to hang down together with mobile device
The problem of falling.
(2) technical solution
Easy to use to realize that above structure is simple, work efficiency is high and is not easy anti-pine and abjection purpose, this is practical new
Type provides the following technical solutions: positive and negative thread quick-locking mechanism, including clamp arm and rotation screw rod, and the clamp arm includes the first folder
The top of arm, the second clamp arm and connecting shaft, first clamp arm is connected by connecting shaft with the second clamp arm, second clamp arm
One end close to connecting shaft is fixedly connected with link block, and the link block is fixedly connected with handle far from one end of the second clamp arm,
The middle part of first clamp arm is through there is a first connecting rod, and the middle part of second clamp arm is through there is the second connecting rod, and described the
The middle part of one connecting rod and the second connecting rod is threaded with rotation screw rod, and the rotation screw rod includes the first screw rod, second
Screw rod and third connecting rod, one end of first screw rod are fixedly connected with the second screw rod, and second screw rod is far from the first spiral shell
One end of bar is fixedly connected with third connecting rod.
Preferably, the handle is sphere.
Preferably, the outer surface of first screw rod offers positive pitch thread, and the outer surface of second screw rod offers
Anti- pitch thread.
Preferably, less than the diameter of the second screw rod, the tooth diameter of the positive pitch thread is less than anti-the diameter of first screw rod
The tooth diameter of pitch thread.
Preferably, the rotation screw rod from left to right sequentially passes through the first clamp arm, first connecting rod, second connecting rod
Second clamp arm.
Preferably, the third connecting rod is fixedly connected with handle far from one end of the second screw rod.
Preferably, the outer surface of the handle is provided with anti-sliding burr.
(3) beneficial effect
Compared with prior art, the utility model provides positive and negative thread quick-locking mechanism, have it is following the utility model has the advantages that
1, the positive and negative thread quick-locking mechanism passes through the first screw rod of setting, the second screw rod, positive pitch thread and anti-tooth spiral shell
Line, rotation screw rod both ends when rotating tightening fold simultaneously in the drive lower clip arm of first connecting rod and the second connecting rod,
Conversely, clamp arm is also to open simultaneously when opening, the time of half is saved on the time, greatly increases working efficiency.
2, positive and negative thread quick-locking mechanism, by the way that positive pitch thread and anti-pitch thread is arranged, so that rotation screw rod makes
It is to drawing, to effectively prevent the generation of the phenomenon of the anti-pine of tooth caused by bicycle is pressed from both sides because of external force with two teeth under state.
Detailed description of the invention
FIG. 1 is a schematic structural view of the utility model；
Fig. 2 is that the utility model rotates screw-rod structure schematic diagram；
Fig. 3 is structure enlargement diagram at A in the utility model Fig. 2.
In figure: 1 clamp arm, 101 first clamp arm, 102 second clamp arm, 103 connecting shafts, 2 rotation screw rods, 201 first screw rods,
202 second screw rods, 203 third connecting rods, 204 positive pitch threads, 205 anti-pitch threads, 3 link blocks, 4 handles, 5 first connecting rods,
6 second connecting rods, 7 handles, 8 anti-sliding burrs.
Specific embodiment
The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model
Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole
Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work
Every other embodiment obtained, fall within the protection scope of the utility model.
It please refers to Fig.1 to Fig.3, the utility model provides a kind of technical solution: positive and negative thread quick-locking mechanism, including folder
Arm 1 and rotation screw rod 2, clamp arm 1 include the first clamp arm 101, the second clamp arm 102 and connecting shaft 103, the top of the first clamp arm 101
It is connected by connecting shaft 103 with the second clamp arm 102, the second clamp arm 102 is fixedly connected with connection close to one end of connecting shaft 103
Block 3, link block 3 are fixedly connected with handle 4 far from one end of the second clamp arm 102, and handle 4 is sphere, in the first clamp arm 101
Portion is through there is first connecting rod 5, and through there is the second connecting rod 6, first connecting rod 5 and second are connected at the middle part of the second clamp arm 102
The middle part of bar 6 is threaded with rotation screw rod 2, and rotation screw rod 2 has from left to right sequentially passed through the first clamp arm 101, first company
Second clamp arm 102 of extension bar 5, the second connecting rod 6, rotation screw rod 2 are connected including the first screw rod 201, the second screw rod 202 with third
Bar 203, one end of the first screw rod 201 are fixedly connected with the second screw rod 202, and the outer surface of the first screw rod 201 offers orthodontic spiral shell
Line 204, the outer surface of the second screw rod 202 offer anti-pitch thread 205, and the diameter of the first screw rod 201 is less than the second screw rod 202
Diameter, the tooth diameter of positive pitch thread 204 is less than the tooth diameter of anti-pitch thread 205, passes through setting the first screw rod 201, the second screw rod
202, positive pitch thread 204 and anti-pitch thread 205, rotation screw rod 2 rotate tightening when both ends in first connecting rod 5 and second
The drive lower clip arm 1 of connecting rod 6 folds simultaneously, conversely, clamp arm 1 is also to open simultaneously when opening, half is saved on the time
Time greatly increases working efficiency, by the way that positive pitch thread 204 and anti-pitch thread 205 is arranged, so that rotation screw rod 2 makes
With two teeth under state be to drawing, to effectively prevent bicycle folder because of the generation of the phenomenon of the anti-pine of tooth caused by external force,
Second screw rod 202 is fixedly connected with third connecting rod 203 far from one end of the first screw rod 201, and third connecting rod 203 is far from
One end of two screw rods 202 is fixedly connected with handle 7, and the outer surface of handle 7 is provided with anti-sliding burr 8, which plays anti-skidding
Effect, increase the frictional force of handle 7 outer surface and hand, prevent by handle 7 rotation rotation screw rod 2 when generate cunning
It is dynamic.
The electric elements occurred in this article are electrically connected with extraneous main controller and 220V alternating current, and main controller can be meter
Calculation machine etc. plays the conventionally known equipment of control.
In conclusion the positive and negative thread quick-locking mechanism, by the way that the first screw rod 201, the second screw rod 202, orthodontic is arranged
Screw thread 204 and anti-pitch thread 205, rotation screw rod 2 rotate tightening when both ends in first connecting rod 5 and the second connecting rod 6
Drive lower clip arm 1 fold simultaneously, conversely, clamp arm 1 open when be also to open simultaneously, the time of half is saved on the time, greatly
The earth improves work efficiency；By the way that positive pitch thread 204 and anti-pitch thread 205 is arranged, so that rotation screw rod 2 is in a state of use
Two teeth are to drawing, to effectively prevent the generation of the phenomenon of the anti-pine of tooth caused by bicycle is pressed from both sides because of external force.
It should be noted that, in this document, relational terms such as first and second and the like are used merely to a reality
Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation
In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to
Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those
Element, but also including other elements that are not explicitly listed, or further include for this process, method, article or equipment
Intrinsic element.
While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art,
It is understood that these embodiments can be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaired
Change, replacement and variant, the scope of the utility model is defined by the appended claims and the equivalents thereof.
Claims (7)
1. positive and negative thread quick-locking mechanism, including clamp arm (1) and rotation screw rod (2), it is characterised in that: clamp arm (1) packet
The first clamp arm (101), the second clamp arm (102) and connecting shaft (103) are included, passes through connecting shaft at the top of first clamp arm (101)
(103) it is connected with the second clamp arm (102), second clamp arm (102) is fixedly connected with company close to the one end of connecting shaft (103)
It connects block (3), the link block (3) is fixedly connected with handle (4) far from the one end of the second clamp arm (102), first clamp arm
(101) through having first connecting rod (5), the middle part of second clamp arm (102), which is run through, the second connecting rod (6), institute at middle part
The middle part for stating first connecting rod (5) and the second connecting rod (6) is threaded with rotation screw rod (2), rotation screw rod (2) packet
The first screw rod (201), the second screw rod (202) and third connecting rod (203) are included, one end of first screw rod (201) is fixed to be connected
It is connected to the second screw rod (202), second screw rod (202) is fixedly connected with third connection far from the one end of the first screw rod (201)
Bar (203).
2. positive and negative thread quick-locking mechanism according to claim 1, it is characterised in that: the handle (4) is sphere.
3. positive and negative thread quick-locking mechanism according to claim 1, it is characterised in that: first screw rod (201)
Outer surface offers positive pitch thread (204), and the outer surface of second screw rod (202) offers anti-pitch thread (205).
4. positive and negative thread quick-locking mechanism according to claim 3, it is characterised in that: first screw rod (201)
For diameter less than the diameter of the second screw rod (202), the tooth diameter of the positive pitch thread (204) is less than the tooth diameter of anti-pitch thread (205).
5. positive and negative thread quick-locking mechanism according to claim 1, it is characterised in that: the rotation screw rod (2) is from a left side
The second clamp arm (102) of the first clamp arm (101), first connecting rod (5), the second connecting rod (6) is sequentially passed through to the right side.
6. positive and negative thread quick-locking mechanism according to claim 1, it is characterised in that: the third connecting rod (203)
One end far from the second screw rod (202) is fixedly connected with handle (7).
7. positive and negative thread quick-locking mechanism according to claim 6, it is characterised in that: the outer surface of the handle (7)
It is provided with anti-sliding burr (8).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312435.3U CN208306823U (en) | 2018-03-07 | 2018-03-07 | Positive and negative thread quick-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820312435.3U CN208306823U (en) | 2018-03-07 | 2018-03-07 | Positive and negative thread quick-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208306823U true CN208306823U (en) | 2019-01-01 |
Family
ID=64721136
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820312435.3U Active CN208306823U (en) | 2018-03-07 | 2018-03-07 | Positive and negative thread quick-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208306823U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682697A (en) * | 2018-07-04 | 2020-01-14 | 霍云翔 | Multifunctional printer |
| CN115012876A (en) * | 2022-07-01 | 2022-09-06 | 西南石油大学 | Small-diameter large-deformation single-slip type soluble bridge plug |
| CN115741414A (en) * | 2022-11-07 | 2023-03-07 | 江苏云佳金属制品有限公司 | Steel pipe angle cutting machine for machining stainless steel pipes |
-
2018
- 2018-03-07 CN CN201820312435.3U patent/CN208306823U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110682697A (en) * | 2018-07-04 | 2020-01-14 | 霍云翔 | Multifunctional printer |
| CN115012876A (en) * | 2022-07-01 | 2022-09-06 | 西南石油大学 | Small-diameter large-deformation single-slip type soluble bridge plug |
| CN115012876B (en) * | 2022-07-01 | 2023-08-11 | 西南石油大学 | Small-diameter large-deformation single slip type soluble bridge plug |
| CN115741414A (en) * | 2022-11-07 | 2023-03-07 | 江苏云佳金属制品有限公司 | Steel pipe angle cutting machine for machining stainless steel pipes |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN208306823U (en) | Positive and negative thread quick-locking mechanism | |
| CN208289326U (en) | A kind of fixed device of steel-pipe welding machine people | |
| CN208684110U (en) | A kind of power construction traction device easy to use | |
| CN209222448U (en) | A kind of fixed device of hardware spray painting convenient to use | |
| CN207676006U (en) | A kind of communications optical cable fixing device | |
| CN108422180A (en) | A kind of screw tightening device for household electrical appliances manufacture | |
| CN104300425B (en) | Spacer replacing tool | |
| CN207479980U (en) | Twist treadmill shock structure robot device | |
| CN215296480U (en) | Wireless temperature measurement collection module | |
| CN216199769U (en) | Gas compressor connecting rod bolt nut with protection structure | |
| CN208100166U (en) | One kind is convenient for operation air compressor machine universal fixture fixture | |
| CN209792335U (en) | Folder clamping device | |
| CN209531796U (en) | A kind of instrument helix tube tube bending jig | |
| CN205497315U (en) | Spanner auxiliary device | |
| CN202639880U (en) | Internal thread forming clamping tool of impeller shaft of washing machine | |
| CN202757761U (en) | Optical shaft clamp | |
| CN207615933U (en) | A kind of stove automatic welding machine people's device | |
| CN102854005B (en) | Optical axis clamp | |
| CN207915031U (en) | A kind of stubborn torque Special Fixture for Machining of notch | |
| CN106271575B (en) | Pipeline handler and its clamp structure | |
| CN209304382U (en) | A kind of Multifunctional wire twisting pincers | |
| CN204879320U (en) | Medical instrument support | |
| CN207564133U (en) | A kind of mechanical clamp | |
| CN216607019U (en) | Wire twisting mechanism | |
| CN208575651U (en) | A kind of polyvinyl piping materials nozzle grinding device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |