CN212501310U - Film pulling mechanism capable of self-locking by utilizing dead point of connecting rod - Google Patents
Film pulling mechanism capable of self-locking by utilizing dead point of connecting rod Download PDFInfo
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- CN212501310U CN212501310U CN202021018642.1U CN202021018642U CN212501310U CN 212501310 U CN212501310 U CN 212501310U CN 202021018642 U CN202021018642 U CN 202021018642U CN 212501310 U CN212501310 U CN 212501310U
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Abstract
The utility model belongs to the technical field of film drawing mechanisms, in particular to a film drawing mechanism utilizing self-locking of connecting rod dead points, aiming at the problems that the prior film drawing mechanism is not good in fixing effect and inconvenient to position a film when in use, so that plastic film packaging is more complicated, the utility model provides a proposal which comprises a base, wherein the top of the base is fixedly connected with two vertical plates, one side of the two vertical plates which are close to each other is rotatably provided with a same roller shaft, the outer side of the roller shaft is sleeved with a plastic film, the top of the base is fixedly connected with a film limiting element and a fixed block, the top of the base is slidably provided with a film clamping element, the film clamping element is matched with the film limiting element, one side of the base is fixedly connected with two limiting blocks, and the two limiting blocks are both provided with limiting holes, the efficiency of plastic film packing is promoted.
Description
Technical Field
The utility model relates to a draw membrane technical field, especially relate to an utilize drawing membrane mechanism of connecting rod dead point auto-lock.
Background
In the life of people, most articles need to be packaged by plastic films, and a film pulling mechanism is often needed in the plastic film packaging process;
but the current membrane mechanism that draws often fixed effect is not good, is not convenient for fix a position the membrane when using for plastic film packaging is comparatively loaded down with trivial details.
SUMMERY OF THE UTILITY MODEL
The utility model aims at solving the current membrane mechanism that draws often fixed effect not good, be not convenient for fix a position the membrane when using for the comparatively loaded down with trivial details shortcoming of plastic film packing, and the membrane mechanism that draws who utilizes connecting rod dead point auto-lock that proposes.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a film drawing mechanism utilizing connecting rod dead points for self locking comprises a base, wherein two vertical plates are fixedly connected to the top of the base, one side, close to each other, of each vertical plate is rotatably provided with a same roller shaft, the outer side of each roller shaft is sleeved with a plastic film, the top of the base is fixedly connected with a film limiting element and a fixed block, the top of the base is slidably provided with a film clamping element, the film clamping element is matched with the film limiting element, one side of the base is fixedly connected with two limiting blocks, two limiting holes are formed in the two limiting blocks, the same sliding rod is slidably arranged in the two limiting holes, one side of the fixed block is rotatably provided with an operating rod, one side of the base is fixedly connected with a first dead point limiting block and a second dead point limiting block, a first sliding groove is formed in the operating rod, a rotating shaft, a first sliding block is arranged in the second sliding groove in a sliding mode, one end of an operating rod is rotatably connected with one end of a transmission rod, the other end of the transmission rod is rotatably connected with the first sliding block, and the operating rod is matched with the film clamping element.
Preferably, a third sliding groove is formed in the top of the base, a second sliding block is arranged in the third sliding groove in a sliding mode, the top of the second sliding block is fixedly connected with the bottom of the film clamping element, and the second sliding block can drive the film clamping element to move.
Preferably, a transmission cavity communicated with the third sliding groove is formed in the base, a gear is rotatably mounted on the inner wall of one side of the transmission cavity, a first toothed bar is slidably mounted on the inner wall of one side of the transmission cavity and fixedly connected with the bottom of the second sliding block, the first toothed bar is meshed with the gear, and the gear can drive the first toothed bar to move.
Preferably, a fourth sliding groove communicated with the transmission cavity is formed in one side of the base, a second toothed bar is slidably mounted in the fourth sliding groove, one side of the second toothed bar is fixedly connected with the sliding bar, the second toothed bar is meshed with the gear, and the second toothed bar can drive the gear to rotate.
Preferably, fixedly connected with slide bar in the second spout has seted up the slip hole on the first slider, and slide bar slidable mounting is in the slip hole, and the outside cover of slide bar is equipped with the spring, the one end of spring and the bottom fixed connection of first slider, the other end of spring and the bottom inner wall fixed connection of second spout, the spring can transmit reaction force to first slider on.
Compared with the prior art, the utility model has the advantages of:
(1) according to the scheme, the spring is matched with the first sliding block, the transmission rod and the sliding rod are matched with the operating rod, and the first dead point limiting block and the second dead point limiting block are matched with the operating rod, so that the reaction force of the spring acts on the first sliding block to further limit the operating rod;
(2) according to the scheme, the second sliding block is matched with the film clamping element, and the second toothed bar gear is matched with the first toothed bar, so that the film clamping element is convenient to move;
the utility model discloses in be convenient for stimulate the membrane through the action bars, and fixed effectual, simple and convenient practical promotes the efficiency of plastic film packing.
Drawings
Fig. 1 is a schematic structural view of a film drawing mechanism utilizing the dead point self-locking of a connecting rod according to the present invention;
fig. 2 is a schematic cross-sectional view of a film drawing mechanism utilizing the dead point self-locking of the connecting rod according to the present invention;
fig. 3 is an enlarged schematic structural view of a position a in fig. 1 of a film pulling mechanism utilizing the dead point self-locking of a connecting rod according to the present invention;
fig. 4 is a schematic view of a second gear structure of a film drawing mechanism utilizing the self-locking of the connecting rod dead point according to the present invention.
In the figure: the film clamping device comprises a base 1, vertical plates 2, roll shafts 3, plastic films 4, film limiting elements 5, fixing blocks 6, film clamping elements 7, limiting blocks 8, sliding rods 9, operating rods 10, first dead point limiting blocks 11, rotating shafts 12, second dead point limiting blocks 13, first sliding blocks 14, transmission rods 15, second sliding blocks 16, gears 17, first toothed rods 18, second toothed rods 19, sliding rods 20 and springs 21.
Detailed Description
The technical solutions in the embodiments will be described clearly and completely with reference to the drawings in the embodiments, and it is obvious that the described embodiments are only a part of the embodiments, but not all embodiments.
Example one
Referring to fig. 1-4, a film drawing mechanism utilizing connecting rod dead point self-locking comprises a base 1, two vertical plates 2 are fixedly connected to the top of the base 1, one side of the two vertical plates 2, which is close to each other, is rotatably provided with a same roller shaft 3, a plastic film 4 is sleeved on the outer side of the roller shaft 3, a film limiting element 5 and a fixed block 6 are fixedly connected to the top of the base 1, a film clamping element 7 is slidably installed at the top of the base 1, the film clamping element 7 is matched with the film limiting element 5, two limiting blocks 8 are fixedly connected to one side of the base 1, limiting holes are respectively formed in the two limiting blocks 8, a same slide rod 9 is slidably installed in the two limiting holes, an operating rod 10 is rotatably installed at one side of the fixed block 6, a first dead point limiting block 11 and a second dead point limiting block 13 are fixedly connected to one side, the rotating shaft 12 is slidably mounted in the first sliding groove, a second sliding groove is formed in one side of the base 1, a first sliding block 14 is slidably mounted in the second sliding groove, one end of the operating rod 10 is rotatably connected with one end of a transmission rod 15, the other end of the transmission rod 15 is rotatably connected with the first sliding block 14, and the operating rod 10 is matched with the film clamping element 7.
In this embodiment, the third spout has been seted up at the top of base 1, and slidable mounting has second slider 16 in the third spout, and the top of second slider 16 and the bottom fixed connection of membrane clamping element 7, second slider 16 can drive membrane clamping element 7 and remove.
In this embodiment, set up the transmission chamber that communicates with the third spout mutually on the base 1, rotate on the inner wall of one side in transmission chamber and install gear 17, slidable mounting has first rack 18 on the inner wall of one side in transmission chamber, first rack 18 and second slider 16's bottom fixed connection, and first rack 18 meshes with gear 17 mutually, and gear 17 can drive first rack 18 and remove.
In this embodiment, a fourth sliding groove communicated with the transmission cavity is formed in one side of the base 1, a second rack 19 is slidably mounted in the fourth sliding groove, one side of the second rack 19 is fixedly connected with the sliding rod 9, the second rack 19 is meshed with the gear 17, and the second rack 19 can drive the gear 17 to rotate.
In this embodiment, a sliding rod 20 is fixedly connected to the inside of the second sliding groove, a sliding hole is formed in the first sliding block 14, the sliding rod 20 is slidably installed in the sliding hole, a spring 21 is sleeved on the outer side of the sliding rod 20, one end of the spring 21 is fixedly connected to the bottom of the first sliding block 14, the other end of the spring 21 is fixedly connected to the inner wall of the bottom of the second sliding groove, and the spring 21 can transmit the reaction force to the first sliding block 14.
Example two
Referring to fig. 1-4, a film drawing mechanism utilizing connecting rod dead point self-locking comprises a base 1, the top of the base 1 is fixedly connected with two vertical plates 2 through welding, one side of the two vertical plates 2 close to each other is rotatably provided with a same roll shaft 3, the outer side of the roll shaft 3 is sleeved with a plastic film 4, the top of the base 1 is fixedly connected with a film limiting element 5 and a fixed block 6 through welding, the top of the base 1 is slidably provided with a film clamping element 7, the film clamping element 7 is matched with the film limiting element 5, one side of the base 1 is fixedly connected with two limiting blocks 8 through welding, the two limiting blocks 8 are respectively provided with a limiting hole, a same slide bar 9 is slidably arranged in the two limiting holes, one side of the fixed block 6 is rotatably provided with an operating rod 10, one side of the base 1 is fixedly connected with, the operating rod 10 is provided with a first sliding groove, the sliding rod 9 is provided with a rotating shaft 12, the rotating shaft 12 is slidably mounted in the first sliding groove, one side of the base 1 is provided with a second sliding groove, a first sliding block 14 is slidably mounted in the second sliding groove, one end of the operating rod 10 is rotatably connected with one end of a transmission rod 15, the other end of the transmission rod 15 is rotatably connected with the first sliding block 14, and the operating rod 10 is matched with the film clamping element 7.
In this embodiment, the third spout has been seted up at the top of base 1, and slidable mounting has second slider 16 in the third spout, and welded fastening is passed through with the bottom of membrane clamping element 7 at the top of second slider 16, and second slider 16 can drive membrane clamping element 7 and remove.
In this embodiment, set up the transmission chamber that communicates with the third spout mutually on the base 1, rotate on the inner wall of one side in transmission chamber and install gear 17, slidable mounting has first rack 18 on the inner wall of one side in transmission chamber, and welded fastening is passed through with the bottom of second slider 16 to first rack 18, and first rack 18 meshes with gear 17 mutually, and gear 17 can drive first rack 18 and remove.
In this embodiment, a fourth sliding groove communicated with the transmission cavity is formed in one side of the base 1, a second rack 19 is slidably mounted in the fourth sliding groove, one side of the second rack 19 is fixedly connected with the sliding rod 9 through welding, the second rack 19 is meshed with the gear 17, and the second rack 19 can drive the gear 17 to rotate.
In this embodiment, a sliding rod 20 is fixedly connected to the second sliding groove by welding, a sliding hole is formed in the first slider 14, the sliding rod 20 is slidably mounted in the sliding hole, a spring 21 is sleeved outside the sliding rod 20, one end of the spring 21 is fixedly connected to the bottom of the first slider 14 by welding, the other end of the spring 21 is fixedly connected to the inner wall of the bottom of the second sliding groove by welding, and the spring 21 can transmit the reaction force to the first slider 14.
In this embodiment, when in use, the operating rod 10 is pushed first, so that the operating rod 10 generates a lever motion through the fixing block 6, so that one end of the operating rod 10 drives one end of the transmission rod 15 to rotate, the other end of the transmission rod 15 rotates to drive the first slider 14 to move in the second sliding slot and deform the spring 21 until the operating rod 10 is limited by the second dead point limiting block 13, in the process, the transmission rod 15 drives the first slider 14 to reset in the first sliding slot, and the spring 21 resets, in the process, the operating rod 10 drives the sliding rod 9 to move through the first sliding slot and the rotating shaft 12, the sliding rod 9 drives the second rack 19 to move, the second rack 19 drives the gear 17 to rotate, the gear 17 drives the first rack 18 to move, the first rack 18 drives the second slider 16 to move, the second slider 16 drives the film clamping element 7 to move, and then the operating rod 10 is released, due to a reaction force of the spring 21, so that the operating lever 10 is restrained from loosening, and then the plastic film 4 is clamped by the film clamping member 7.
The above descriptions are only preferred embodiments of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the scope of the present invention, and the technical solutions and the utility model concepts of the present invention are equivalent to, replaced or changed.
Claims (5)
1. A film pulling mechanism utilizing a connecting rod dead point for self locking comprises a base (1) and is characterized in that the top of the base (1) is fixedly connected with two vertical plates (2), one side, close to each other, of the two vertical plates (2) is rotatably provided with a same roller shaft (3), the outer side of the roller shaft (3) is sleeved with a plastic film (4), the top of the base (1) is fixedly connected with a film limiting element (5) and a fixed block (6), the top of the base (1) is slidably provided with a film clamping element (7), the film clamping element (7) is matched with the film limiting element (5), one side of the base (1) is fixedly connected with two limiting blocks (8), two limiting holes are formed in the two limiting blocks (8), a same sliding rod (9) is slidably arranged in the two limiting holes, one side of the fixed block (6) is rotatably provided with an operating rod (10), one side of the base (1) is fixedly connected with a first dead, a first sliding groove is formed in the operating rod (10), a rotating shaft (12) is arranged on the sliding rod (9), the rotating shaft (12) is slidably mounted in the first sliding groove, a second sliding groove is formed in one side of the base (1), a first sliding block (14) is slidably mounted in the second sliding groove, one end of the operating rod (10) is rotatably connected with one end of a transmission rod (15), the other end of the transmission rod (15) is rotatably connected with the first sliding block (14), and the operating rod (10) is matched with the film clamping element (7).
2. The film pulling mechanism utilizing the connecting rod dead point for self locking according to claim 1, wherein a third sliding groove is formed in the top of the base (1), a second sliding block (16) is slidably mounted in the third sliding groove, and the top of the second sliding block (16) is fixedly connected with the bottom of the film clamping element (7).
3. The film drawing mechanism capable of self-locking by utilizing the dead point of the connecting rod according to claim 1, wherein a transmission cavity communicated with the third sliding groove is formed in the base (1), a gear (17) is rotatably mounted on the inner wall of one side of the transmission cavity, a first toothed bar (18) is slidably mounted on the inner wall of one side of the transmission cavity, the first toothed bar (18) is fixedly connected with the bottom of the second sliding block (16), and the first toothed bar (18) is meshed with the gear (17).
4. The film drawing mechanism capable of realizing self-locking by utilizing the dead point of the connecting rod according to claim 1, wherein a fourth sliding groove communicated with the transmission cavity is formed in one side of the base (1), a second toothed bar (19) is slidably mounted in the fourth sliding groove, one side of the second toothed bar (19) is fixedly connected with the sliding rod (9), and the second toothed bar (19) is meshed with the gear (17).
5. The film drawing mechanism utilizing the dead point self-locking of the connecting rod as claimed in claim 1, wherein a sliding rod (20) is fixedly connected in the second sliding chute, a sliding hole is formed in the first sliding block (14), the sliding rod (20) is slidably mounted in the sliding hole, a spring (21) is sleeved outside the sliding rod (20), one end of the spring (21) is fixedly connected with the bottom of the first sliding block (14), and the other end of the spring (21) is fixedly connected with the inner wall of the bottom of the second sliding chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018642.1U CN212501310U (en) | 2020-06-05 | 2020-06-05 | Film pulling mechanism capable of self-locking by utilizing dead point of connecting rod |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021018642.1U CN212501310U (en) | 2020-06-05 | 2020-06-05 | Film pulling mechanism capable of self-locking by utilizing dead point of connecting rod |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN212501310U true CN212501310U (en) | 2021-02-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021018642.1U Active CN212501310U (en) | 2020-06-05 | 2020-06-05 | Film pulling mechanism capable of self-locking by utilizing dead point of connecting rod |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN212501310U (en) |
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2020
- 2020-06-05 CN CN202021018642.1U patent/CN212501310U/en active Active
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