Bolt opening device for small-caliber gun barrel

Abstract

The utility model provides a bolt opening device for a small-caliber gun barrel. The device comprises a rectangular lead screw (1), a slide way seat (2), a jackscrew (3), a fixing plate (4), a bevel gear (5), a bearing (6), a transmission fixing seat (7), a transmission shaft (8), a crank (9) and a hand wheel (10). Wherein the rectangular lead screw (1) is embedded in the bevel gear (5) through a rectangular thread; the slideway seat (2) is clamped on a cannon body; the fixed plate (4) and the jackscrew (3) are fixed on the monitor body through screw-thread fit; the transmission fixing seat (7) is fixed on the fixing plate (4) through screw-thread fit and is connected with the bevel gear (5) through the bearing (6); the pair of bevel gears (5) is connected through clearance fit; the transmission shaft (8) is mounted on the transmission fixing seat (7) in a clearance fit manner; the crank (9) is mounted on the transmission shaft (8) through screw-thread fit; the hand wheel (10) is installed on the rectangular lead screw (1) in a threaded fit mode. The device is simple and reliable in structure and easy to install, the bolt opening speed of the first shot is increased, and the labor intensity is reduced.

Description

TECHNICAL FIELD

[0001] The utility model belongs to mechanical technical field relates to a kind of for small-bore cannon barrel's opening bolt device. BACKGROUND

[0002] Small-bore cannon barrel is widely used in fireworks, salute and other scenes.Small-bore cannon barrel shoots first to be opened to cannon bolt.Launching device is used to open cannon bolt, and the device is used to open cannon bolt in the prior art is mainly used to drive rectangular lead screw to move forward and backward by ratchet wheel, the action is discontinuous, and the efficiency is low. SUMMARY

[0003] The technical problem of the utility model is:

[0004] The original structure is used to drive rectangular lead screw to move forward and backward by ratchet wheel, the action is discontinuous, and the efficiency is low.

[0005] The purpose of the utility model is:

[0006] The utility model is designed for a kind of for small-bore cannon barrel's opening bolt, and a kind of small-bore cannon barrel is manually opened bolt device, and the purpose is to improve opening bolt speed and working efficiency.

[0007] The technical scheme of the utility model is:

[0008] The utility model provides a kind of small-bore cannon barrel hand opening bolt device, including: rectangular lead screw 1, slide way seat 2, top silk 3, fixed plate 4, bevel gear 5, bearing 6, transmission fixed base 7, transmission shaft 8, rocking handle 9, hand wheel 10, wherein: rectangular lead screw 1 is embedded in bevel gear 5 by rectangular thread;Slide way seat 2 is clamped on cannon body;Fixed plate 4 and top silk 3 are fixed on cannon body by thread cooperation;Transmission fixed base 7 is fixed on fixed plate 4 by thread cooperation, and bevel gear 5 is connected by bearing 6;A pair of bevel gear 5 is connected by gap cooperation;Transmission shaft 8 is installed on transmission fixed base 7 by gap cooperation;Rocking handle 9 is installed on transmission shaft 8 by thread cooperation;Hand wheel 10 is installed on rectangular lead screw 1 by thread cooperation.

[0009] Preferably, rectangular lead screw 1 shape is consistent with rectangular thread on bevel gear 5.

[0010] Preferably, rectangular lead screw 1 can drive a pair of bevel gear 5 to rotate by rotating rocking handle 9, and then drive rectangular lead screw 1 to move backward, complete opening bolt action.

[0011] Preferably, the handle 9 is cylindrical in shape and is mounted on the transmission fixed seat 7 by screw thread cooperation; the hand-operated handle 9 can drive the lead screw to complete the opening bolt action.

[0012] Preferably, the handle 9 can drive a pair of bevel gears 5 to rotate, and the bevel gears 5 rotate to drive the rectangular lead screw 1 to move forward and backward.

[0013] Preferably, the inner hole of the bevel gear 5 is provided with a rectangular thread.

[0014] The advantages and beneficial effects of the present application are as follows:

[0015] The present application can be applied to the design of various small-caliber cannon barrel first opening bolt according to the structural principle structure.

[0016] The present application is simple to install, easy to operate, and has strong versatility, improves the small-caliber cannon barrel first opening bolt speed, reduces the labor intensity, and improves the work efficiency. BRIEF DESCRIPTION OF DRAWINGS

[0017] In order to more clearly illustrate the technical scheme of the embodiments of the present application, the following will briefly introduce the drawings needed to be used in the embodiments of the present application. Obviously, the drawings described below are only some embodiments of the present application, and for those skilled in the art, other drawings can also be obtained according to these drawings without creative labor.

[0018] Fig. 1(a) is a right view of the structure of the existing small-caliber cannon barrel;

[0019] Fig. 1(b) is a front view of the structure of the existing small-caliber cannon barrel;

[0020] Fig. 2(a) is a right view of the opening bolt structure of the existing small-caliber cannon barrel;

[0021] Fig. 2(b) is a front view of the opening bolt structure of the existing small-caliber cannon barrel;

[0022] Fig. 3(a) is a simple diagram of the opening bolt structure of the small-caliber cannon barrel of the present application;

[0023] Fig. 3(b) is a right view of the opening bolt structure of the small-caliber cannon barrel of the present application;

[0024] Fig. 4(a) is a right view of the structure of the present application and the use structure of the small-caliber cannon barrel;

[0025] Fig. 4(b) is a front view of the structure of the present application and the use structure of the small-caliber cannon barrel.

[0026] Wherein, 1. Rectangular screw, 2. Slide seat, 3. Top wire, 4. Fixed plate, 5. Bevel gear, 6. Bearing, 7. Transmission fixed seat, 8. Transmission shaft, 9. Crank, 10. Hand wheel. DETAILED DESCRIPTION

[0027] To make the purpose, technical scheme and advantages of the embodiments of the utility model clearer, the technical scheme in the embodiments of the utility model will be clearly and completely described below in combination with the drawings in the embodiments of the utility model. Obviously, the described embodiments are part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative work belong to the scope of protection of the utility model.

[0028] It should be noted that the features in the embodiments of the utility model and the embodiments can be combined with each other in the case of no conflict, and each embodiment can be mutually referenced and quoted. The utility model will be described in detail below in combination with the embodiments with reference to the drawings.

[0029] Fig. 3 (a) is a small-bore cannon barrel opening bolt structure diagram of the utility model; Fig. 3 (b) is a small-bore cannon barrel opening bolt structure right view diagram of the utility model; Fig. 4 (a) is a structure and small-bore cannon barrel use structure diagram right view diagram of the utility model; Fig. 4 (b) is a structure and small-bore cannon barrel use structure diagram front view diagram of the utility model. Referring to each figure in Fig. 3 and Fig. 4, the utility model proposes a small-bore cannon barrel manual opening bolt device. The device comprises a rectangular screw 1, a slide seat 2, a top wire 3, a fixed plate 4, a bevel gear 5, a bearing 6, a transmission fixed seat 7, a transmission shaft 8, a crank 9, and a hand wheel 10. The rectangular screw 1 is embedded in the bevel gear 5 through rectangular threads, the slide seat 2 is clamped in the cannon body, the fixed plate 4 and the top wire 3 are fixed in the cannon body through thread cooperation, the transmission fixed seat 7 is fixed on the fixed plate 4 through thread cooperation and connected with the bevel gear 5 through the bearing 6, a pair of bevel gears 5 are connected through gap cooperation, the transmission shaft 8 is installed on the transmission fixed seat 7 through gap cooperation, the crank 9 is installed on the transmission shaft 8 through thread cooperation, and the hand wheel 10 is installed on the rectangular screw 1 through thread cooperation.

[0030] In some embodiments, the rectangular screw 1 is shaped to match the rectangular threads on the bevel gear 5, a pair of bevel gears 5 are driven to rotate by rotating the crank 9, and then the rectangular screw 1 is driven to move backward, thereby completing the opening bolt action.

[0031] In some embodiments, the crank 9 is cylindrical and installed on the transmission fixed seat 7 through thread cooperation with the transmission shaft 8, the opening bolt action is completed by hand rotating the crank 9 to drive the screw, and the work is convenient and labor-saving.

[0032] In some embodiments, the technical principle of the manual opening device for the small-bore gun barrel is that the rotating handle 9 drives a pair of bevel gears 5 to rotate, one of the bevel gears is provided with a rectangular thread in the hole, and the rotating bevel gear drives the rectangular screw rod 1 to move forward and backward, thereby improving the initial opening speed of the small-bore gun barrel, reducing the labor intensity, and improving the work efficiency.

[0033] In some embodiments, the device is installed on the existing T-shaped slide on the upper end of the small-bore gun barrel, the top wire 3 is abutted against the locking through the threaded cooperation, the handle 10 is turned to screw the front end of the rectangular screw rod 1 into the hole of the breechblock and tighten, and the operation is completed. The rotating handle 9 drives a pair of bevel gears 5 to rotate through the transmission shaft 8 through the gap cooperation, one of the bevel gears 5 is provided with a rectangular thread in the hole, and the rotating bevel gear 5 drives the rectangular screw rod 1 to move backward through the threaded cooperation, and the rectangular screw rod 1 pulls the breechblock to move backward through the gap cooperation. The initial opening action of the small-bore gun barrel is completed.

[0034] It should be noted that the above operation processes can be combined to different degrees. In order to be simple, the implementation modes of various combinations are not described, and the order of the above operation steps can be flexibly adjusted according to actual needs, or the above steps can be flexibly combined, etc.

[0035] Finally, it should be noted that the above embodiments are only used to illustrate the technical solutions of the present application, but the protection scope of the present application is not limited to this. Any person skilled in the art can easily think of various equivalent modifications or replacements within the technical range disclosed by the present application, and these modifications or replacements should be covered in the protection scope of the present application.

Claims

1. An opening device for a small caliber gun barrel, characterized by, Include: Rectangular screw (1), slide seat (2), top wire (3), fixed plate (4), bevel gear (5), bearing (6), transmission fixed base (7), transmission shaft (8), rocking handle (9), hand wheel (10), wherein: rectangular screw (1) is embedded in bevel gear (5) through rectangular thread; The slide seat (2) is clamped on the gun body; The fixed plate (4) is fixed on the gun body by thread cooperation with the top wire (3); Transmission fixed base (7) is fixed on fixed plate (4) by thread cooperation, connected with bevel gear (5) through bearing (6); A pair of bevel gears (5) are connected through gap cooperation; Transmission shaft (8) is installed on transmission fixed base (7) through gap cooperation; Rocking handle (9) is installed on transmission shaft (8) through thread cooperation; Hand wheel (10) is installed on rectangular screw (1) through thread cooperation.

2. A breechblock device for a small-bore cannon barrel according to claim 1, characterised in that, Wherein: The shape of the rectangular screw (1) is consistent with the rectangular thread on the bevel gear (5).

3. A breechblock assembly for a small-bore cannon barrel according to claim 1, wherein: Wherein: The rectangular screw (1) can drive a pair of bevel gears (5) to rotate by rotating the rocking handle (9), and then drive the rectangular screw (1) to move backward, complete the opening bolt action.

4. A breechblock assembly for a small-bore cannon barrel according to claim 1, wherein: Wherein: The rocking handle (9) is cylindrical, and is installed on the transmission fixed base (7) through thread cooperation with the transmission shaft (8); Hand rocking handle (9) can drive the screw to complete the opening bolt action.

5. A breechblock assembly for a small-bore cannon barrel according to claim 1, wherein: Wherein: The rocking handle (9) can drive a pair of bevel gears (5) to rotate, and the bevel gear (5) rotates to drive the rectangular screw (1) to move forward and backward.

6. A breechblock assembly for a small-bore cannon barrel according to any one of claims 1 to 5, wherein: Wherein: The inner hole of the bevel gear (5) has rectangular thread.

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