CN209875808U - Manual rotary pedal self-locking mechanism - Google Patents
Manual rotary pedal self-locking mechanism Download PDFInfo
- Publication number
- CN209875808U CN209875808U CN201920261400.6U CN201920261400U CN209875808U CN 209875808 U CN209875808 U CN 209875808U CN 201920261400 U CN201920261400 U CN 201920261400U CN 209875808 U CN209875808 U CN 209875808U
- Authority
- CN
- China
- Prior art keywords
- connecting rod
- base
- bolt
- gear
- fixed
- 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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Abstract
The utility model relates to a manual rotatory pedal self-locking mechanism, including base and swivel mount, the top both ends of base are fixed with the bearing frame respectively, the swivel mount is installed on the bearing frame, the one end of swivel mount fixed mounting has gear and handle in proper order, one side that the base is close to the gear is fixed with the free bearing, the free bearing links to each other with the one end of first connecting rod is articulated, the other end of first connecting rod is connected with the running-board, the middle part of first connecting rod links to each other with the lower extreme of second connecting rod is articulated, the upper end of second connecting rod links to each other with the lower extreme of bolt is articulated, still be fixed with the fixed plate on the lateral wall of base, install the guide holder on the fixed plate, be equipped with the guiding hole in the guide holder, the bolt runs through this guiding hole, the one end that first connecting rod is close to the running-board is fixed connection with the lower extreme of spring. The utility model has the advantages that: low cost, simple structure and high self-locking reliability.
Description
Technical Field
The utility model relates to a self-locking technical field, especially manual rotatory pedal self-locking mechanism.
Background
The swivel mount is the equipment of fixed spare part commonly used such as welding shop, assembly shop, machining workshop, and after spare part was fixed on the swivel mount, need through rotating the swivel mount to reach the angle that the staff was convenient for operate, reach predetermined angle after, need lock. At present, mostly adopt cylinder compact structure, this kind of structure must be used the auto-lock cylinder, and the auto-lock cylinder is high in price, has undoubtedly increased the cost of equipment. And the self-locking cylinder is adopted, and a corresponding air source is required to be provided, so that the equipment structure is complex.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to overcome prior art's shortcoming, provide a manual rotatory pedal self-locking mechanism with low costs, simple structure and auto-lock reliability height.
The purpose of the utility model is realized through the following technical scheme: a manual rotation pedal self-locking mechanism comprises a base and a rotating frame, wherein bearing seats are respectively fixed at two ends of the top of the base, two ends of the rotating frame are respectively rotatably installed on the bearing seats through bearings, a plurality of rotating blocks are installed on the rotating frame, a gear and a handle are sequentially and fixedly installed at one end of the rotating frame, a hinged support is fixed at one side of the base, which is close to the gear, and is hinged and connected with one end of a first connecting rod, the other end of the first connecting rod extends towards the front side of the base, a pedal plate is connected at the tail end of the first connecting rod, the middle part of the first connecting rod is hinged and connected with the lower end of a second connecting rod, the upper end of the second connecting rod is hinged and connected with the lower end of a bolt, a fixing plate is further fixed on the side wall of the base, a guide seat is fixedly installed on the fixing plate, a, one end of the first connecting rod, which is close to the pedal, is fixedly connected with the lower end of the spring, the upper end of the spring is fixedly connected to the fixing plate, and in a natural state, the spring is in a tensioning state, and the upper end of the bolt can be inserted into a gear tooth groove.
Furthermore, four casters are mounted at four corners of the bottom surface of the base.
Further, when the bicycle is in a natural state, the first connecting rod is in a horizontal state, and an included angle formed between the pedal and the first connecting rod ranges from 150 degrees to 165 degrees.
Furthermore, the upper end of the bolt is a wedge-shaped structure with a small upper end and a large lower end, and the wedge-shaped structure is matched with a gear groove of the gear.
The utility model has the advantages of it is following:
1. the utility model discloses a step on the link structure who is dragged by the spring with the foot, drive the bolt and reciprocate, the bolt inserts or breaks away from the gear, realizes the locking of swivel mount, simple structure, with low costs.
2. When the pedal is treaded, the bolt moves downwards under the action of the connecting rod structure to be separated from the tooth grooves of the gears to realize unlocking, and when the pedal is loosened, the bolt is reinserted into the tooth grooves of the gears under the elastic action of the spring to realize self-locking, so that the reliability is high.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic view of the self-locking principle of the present invention;
in the figure: the device comprises a base 1, a rotating frame 2, a bearing seat 3, a rotating block 4, a gear 5, a handle 6, a hinged support 7, a first connecting rod 8, a second connecting rod 9, a fixing plate 10, a guide seat 11, a bolt 12, a spring 13, a pedal 14 and a caster 15.
Detailed Description
The invention will be further described with reference to the accompanying drawings, but the scope of the invention is not limited to the following description.
As shown in fig. 1 and 2, the manual rotation pedal self-locking mechanism comprises a base 1 and a rotating frame 2, wherein bearing seats 3 are respectively fixed at two ends of the top of the base 1, two ends of the rotating frame 2 are respectively rotatably mounted on the bearing seats 3 through bearings, a plurality of rotating blocks 4 are mounted on the rotating frame 2, a gear 5 and a handle 6 are sequentially and fixedly mounted at one end of the rotating frame 2, the handle 6 adopts a circular hand wheel and can conveniently rotate the hand wheel to realize rotation of the rotating frame 2, a hinge base 7 is fixed at one side of the base 1 close to the gear 5, the hinge base 7 is hinged and connected with one end of a first connecting rod 8, the other end of the first connecting rod 8 extends towards the front side of the base 1, a pedal 14 is connected at the tail end, the middle part of the first connecting rod 8 is hinged and connected with the lower end of a second connecting rod 9, the upper end of the second connecting rod 9 is hinged and connected with, still be fixed with fixed plate 10 on the lateral wall of base 1, fixed mounting has guide holder 11 on the fixed plate 10, be equipped with vertical guiding hole in the guide holder 11, bolt 12 runs through this guiding hole, and the cooperation between guiding hole and the bolt 12 is clearance fit for bolt 12 moves in vertical direction, the one end that first connecting rod 8 is close to running-board 14 and the lower extreme fixed connection of spring 13, the upper end fixed connection of spring 13 is on fixed plate 10, and during the natural state, spring 13 is in taut state, and the upper end of bolt 12 can insert in the tooth's socket of gear 5. The spring force coefficient of the spring 13 is determined by the weight of the first link 8, the second link 9, the latch 12 and the pedal 14, and the latch 12 can be inserted into the tooth groove of the gear 15 in a natural state.
Further, for convenience of movement, as shown in fig. 1, four casters 15 are mounted at four corners of the bottom surface of the base 1.
Further, in a natural state, the first connecting rod 8 is in a horizontal state, an included angle between the pedal plate 14 and the first connecting rod 8 is 150-165 degrees, and the pedal plate 14 is more in accordance with human engineering, so that a worker can conveniently and naturally pedal the pedal plate 14.
Further, the upper end of bolt 12 is big end down's wedge structure, and this wedge structure and gear 5's tooth's socket phase-match, and bolt 12 is after inserting gear 15's tooth's socket, and the wedge face of bolt 12 and gear 15's tooth's socket face laminating, and swivel mount 2 realizes the auto-lock, and can not rock.
The working process of the utility model is as follows: the parts are fixed on the rotating frame 2 through the rotating block 4, the pedal 14 is stepped on by feet, the first connecting rod 8 rotates downwards around the hinged support 7 to drive the second connecting rod 9 to pull the bolt 12 downwards, the bolt 12 is pulled out from the tooth groove of the gear 5, the handle 6 is rotated by hands, the rotating frame 2 can rotate freely, after the bolt rotates to a preset angle, the pedal 14 is loosened, and the bolt 12 is inserted into the tooth groove of the gear 5 again under the restoring force action of the spring 13 to realize self-locking.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (4)
1. Manual rotatory pedal self-locking mechanism, including base (1) and swivel mount (2), the top both ends of base (1) are fixed with bearing frame (3) respectively, the both ends of swivel mount (2) are rotated through the bearing respectively and are installed on bearing frame (3), install a plurality of rotatory pieces (4), its characterized in that on swivel mount (2): a gear (5) and a handle (6) are fixedly mounted at one end of the rotating frame (2) in sequence, a hinged support (7) is fixed at one side of the base (1) close to the gear (5), the hinged support (7) is hinged with one end of a first connecting rod (8), the other end of the first connecting rod (8) extends towards the front side of the base (1), a pedal (14) is connected to the tail end of the first connecting rod, the middle of the first connecting rod (8) is hinged with the lower end of a second connecting rod (9), the upper end of the second connecting rod (9) is hinged with the lower end of a bolt (12), a fixing plate (10) is further fixed on the side wall of the base (1), a guide seat (11) is fixedly mounted on the fixing plate (10), a vertical guide hole is formed in the guide seat (11), the bolt (12) penetrates through the guide hole, one end of the first connecting rod (8) close to the pedal (14) is fixedly connected with the lower end of a spring (13), the upper end of the spring (13) is fixedly connected to the fixing plate (10), and in a natural state, the spring (13) is in a tensioning state, and the upper end of the bolt (12) can be inserted into a tooth groove of the gear (5).
2. The manual rotary pedal self-locking mechanism according to claim 1, characterized in that: four trundles (15) are arranged at four corners of the bottom surface of the base (1).
3. The manual rotary pedal self-locking mechanism according to claim 1, characterized in that: in a natural state, the first connecting rod (8) is in a horizontal state, and an included angle between the pedal (14) and the first connecting rod (8) is 150-165 degrees.
4. The manual rotary pedal self-locking mechanism according to claim 1, characterized in that: the upper end of the bolt (12) is of a wedge-shaped structure with a small upper part and a big lower part, and the wedge-shaped structure is matched with a tooth groove of the gear (5).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261400.6U CN209875808U (en) | 2019-03-01 | 2019-03-01 | Manual rotary pedal self-locking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920261400.6U CN209875808U (en) | 2019-03-01 | 2019-03-01 | Manual rotary pedal self-locking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209875808U true CN209875808U (en) | 2019-12-31 |
Family
ID=68953835
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920261400.6U Expired - Fee Related CN209875808U (en) | 2019-03-01 | 2019-03-01 | Manual rotary pedal self-locking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209875808U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561910A (en) * | 2022-04-13 | 2022-05-31 | 常德捷成建筑工程有限公司 | Scour protection water conservancy bank protection construction equipment |
-
2019
- 2019-03-01 CN CN201920261400.6U patent/CN209875808U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114561910A (en) * | 2022-04-13 | 2022-05-31 | 常德捷成建筑工程有限公司 | Scour protection water conservancy bank protection construction equipment |
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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 |
Granted publication date: 20191231 Termination date: 20200301 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |