CN213049420U - Special prop gun casting piston for film and television - Google Patents
Special prop gun casting piston for film and television Download PDFInfo
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- CN213049420U CN213049420U CN202021145703.0U CN202021145703U CN213049420U CN 213049420 U CN213049420 U CN 213049420U CN 202021145703 U CN202021145703 U CN 202021145703U CN 213049420 U CN213049420 U CN 213049420U
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- piston
- piston body
- crochet hook
- cartridge case
- hook
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Abstract
The utility model discloses a solve the current unstable technical problem of film and television stage property rifle crust breaking, disclose the special stage property rifle of film and television and throw the shell piston. The ejection piston comprises a piston body, a crochet and a spring, wherein one side of the piston body is provided with a chute for accommodating the ejection shell to slide, the other side of the piston body is provided with an accommodating groove, and the crochet is positioned in the accommodating groove and is rotatably arranged in the piston body through a pin shaft; the one end that the crochet hook corresponds the shell case is provided with the portion of colluding with the annular adaptation of shell case bottom edge, and the other end that the piston body corresponds the crochet hook is provided with the mounting groove, and the spring sets up in the mounting groove. The hook part of the crochet hook is clamped in the ring groove to hook the bottom edge of the cartridge case, the piston moves back under the action of an external power element until the cartridge case touches the ejection case tappet, and the cartridge case is ejected out of the cartridge case by taking the restriction point of the crochet hook as a rotation center under the action of the mutual impact force of the cartridge case and the ejection case tappet and the restriction force of the crochet hook, so that the purpose of stably ejecting the cartridge case is realized.
Description
Technical Field
The utility model belongs to the technical field of the movie & TV stage property, specifically relate to a special stage property rifle of movie & TV is thrown shell piston and cartridge case.
Background
In order to achieve the effect of real gunfight, film and television dramas use real guns for shooting blank ammunition. The empty-packed bullet adopts the principle of real gun shooting, and the shell after the transmission regularly and sequentially jumps out towards a certain direction, but the action of throwing the shell of the existing prop gun is unstable, and if the actor does not use the gun prop in a standard way, the actor beside is easily scalded or bruised.
SUMMERY OF THE UTILITY MODEL
The to-be-solved technical problem of the utility model is: the shell-throwing piston can realize stable shell throwing.
In order to achieve the above purpose, the utility model provides a technical scheme as follows:
the special stage property rifle cast piston for the film and television comprises a piston body, a crochet hook and a spring, wherein one side of the piston body is provided with a chute for accommodating the cast shell to slide, the other side of the piston body is provided with an accommodating groove, and the crochet hook is positioned in the accommodating groove and is rotatably arranged in the piston body through a pin shaft; the one end that the crochet hook corresponds the shell case is provided with the portion of colluding with the annular adaptation of shell case bottom edge, the piston body corresponds the other end of crochet hook is provided with the mounting groove, the spring sets up in the mounting groove, the one end of spring with the crochet hook is connected, the other end with the tank bottom of mounting groove is connected.
Compared with the prior art, the beneficial effects of the utility model are that: the bottom edge of the cartridge case enters the piston, the hook part of the crochet hook is clamped in the ring groove to hook the bottom edge of the cartridge case, the piston moves back under the action of an external power element until the cartridge case touches the throwing case and is thrown out of the cartridge case by taking the crochet hook constraint point as a rotation center under the action of the mutual impact force of the cartridge case and the throwing case and the constraint force of the crochet hook, and the purpose of stably throwing the cartridge case is achieved.
Drawings
In order to more clearly illustrate the technical solutions in the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly described below.
Figures 1 and 2 are perspective views of a ejection piston in an embodiment;
fig. 3 is a combination of the cartridge case and the piston before ejection in the embodiment;
fig. 4 is a combination of the cartridge case and the piston at the time of ejection in the embodiment.
Detailed Description
The technical solution in the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention.
Examples
Referring to fig. 1 and 2, the ejection piston includes a piston body 10, a crochet 20 and a spring 30, wherein a groove 11 is disposed at one end of the piston body 10 corresponding to the cartridge case, a sliding groove 12 for accommodating the ejection lifter to slide is disposed at one side of the piston body 10, the groove is communicated with the sliding groove, the bottom edge of the cartridge case enters the groove, the piston retreats to a preset position, and the front end of the ejection lifter enters the groove 11 from the sliding groove 12 and contacts with the bottom edge of the cartridge case. The other side of the piston body 10 is provided with an accommodating groove, and the crochet hook 20 is positioned in the accommodating groove and is rotatably arranged in the piston body 10 through a pin shaft 40; one end of the crochet hook 20 corresponding to the cartridge case is provided with a hook 21 matched with an annular groove at the bottom edge of the cartridge case, the other end of the piston body 10 corresponding to the crochet hook 20 is provided with a mounting groove 13, the spring 30 is arranged in the mounting groove, one end of the spring 30 is connected with the crochet hook 20, and the other end is connected with the groove bottom of the mounting groove. Referring to fig. 3, the bottom edge of the cartridge case a enters the piston, the hook portion of the crochet hook 20 is clamped in the ring groove to hook the bottom edge of the cartridge case, the piston moves back under the action of the external power element until the cartridge case touches the ejection lifter, the ejection lifter pushes the cartridge case out of the groove, the crochet hook 20 rotates around the pin under the action of the thrust force, the crochet hook 20 loosens the cartridge case (see fig. 4), and the cartridge case is ejected out of the shell by taking the restriction point of the crochet hook 20 as the rotation center. After the ejection of the cartridge case, the force exerted on the crochet hook 20 disappears and the crochet hook 20 is restored by the action of the spring 30. Further, the other end of the crochet hook 20 is provided with a guide part 22 extending into the mounting groove, and the spring 30 is sleeved on the guide part, so that the rotating stability of the crochet hook 20 is improved, and the stability of the ejection of the cartridge case is further improved.
Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles described herein may be applied to other embodiments without departing from the spirit or scope of the invention. Thus, the present invention is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.
Claims (3)
1. The special stage property rifle cast piston for film and television is characterized by comprising a piston body, a crochet hook and a spring, wherein one side of the piston body is provided with a chute for accommodating the cast shell to slide, the other side of the piston body is provided with an accommodating groove, and the crochet hook is positioned in the accommodating groove and is rotatably arranged in the piston body through a pin shaft; the one end that the crochet hook corresponds the shell case is provided with the portion of colluding with the annular adaptation of shell case bottom edge, the piston body corresponds the other end of crochet hook is provided with the mounting groove, the spring sets up in the mounting groove, the one end of spring with the crochet hook is connected, the other end with the tank bottom of mounting groove is connected.
2. The special film and television prop gunslinging piston as claimed in claim 1, wherein a guide part extending into the mounting groove is arranged at the other end of the crochet needle, and the spring is sleeved on the guide part.
3. The special prop gun ejection piston for movies and televisions as claimed in claim 1, wherein a groove is provided at one end of the piston body corresponding to the hook part, and the groove is communicated with the chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021145703.0U CN213049420U (en) | 2020-06-18 | 2020-06-18 | Special prop gun casting piston for film and television |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021145703.0U CN213049420U (en) | 2020-06-18 | 2020-06-18 | Special prop gun casting piston for film and television |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213049420U true CN213049420U (en) | 2021-04-27 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202021145703.0U Active CN213049420U (en) | 2020-06-18 | 2020-06-18 | Special prop gun casting piston for film and television |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213049420U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720204A (en) * | 2021-09-17 | 2021-11-30 | 重庆建设工业(集团)有限责任公司 | Elastic ejection casing gun lifter and mounting method thereof |
-
2020
- 2020-06-18 CN CN202021145703.0U patent/CN213049420U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113720204A (en) * | 2021-09-17 | 2021-11-30 | 重庆建设工业(集团)有限责任公司 | Elastic ejection casing gun lifter and mounting method thereof |
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