Durable spring ejection device

Abstract

The utility model discloses a durable spring catapulting device, relates to the catapulting device technical field, including damper, base and third return spring, the outer wall of base is equipped with the locking sleeve, the top of base is equipped with the mounting sleeve, the inner wall of mounting sleeve is equipped with the damper, and the outer wall of damper is equipped with the first return spring, and the third return spring is equipped with the second return spring. An ejection block is mounted at the top end of the damper, an ejection groove is formed in the top end of the ejection block, a lifting block is mounted on the outer side of the mounting sleeve, and pull plates are connected to the outer walls of the two sides of the lifting block. A lifting block is moved downwards, a damper and a first reset spring are extruded to deform, then a locking sleeve is rotated and matched through threads, the locking sleeve is moved upwards, a third reset spring and a pressing rod are pressed in the locking sleeve, the pressing rod drives a locking block to be clamped into a locking groove to be locked through extrusion, an ejection object in an ejection groove is conveniently placed, and the ejection effect is good. The problem that a locking function is not achieved is solved.

Description

Technical Field

[0001] The utility model relates to the technical field of ejection devices, in particular to a durable spring ejection device. Background Art

[0002] The spring ejection device performs spring stretching and compression movements based on physical properties. The function of the spring ejection device is to release the spring force to accelerate the flying object. The spring is deformed by pulling down and squeezing the spring. After letting go, the object is ejected by the spring reset. The current spring ejection device does not have a locking function, which leads to inconvenience in use. In addition, the spring will rust after long-term use, which affects its applicability. The staff needs to apply lubricating oil regularly, which causes inconvenience in use. In view of this, in-depth research was conducted on the above-mentioned problems, which led to this case. Utility Model Content

[0003] The utility model aims to provide a durable spring ejection device to solve the problem that the existing durable spring ejection device mentioned in the background technology is not easy to lock and self-lubricate.

[0004] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a durable spring ejection device, comprising a damper, a base and a third return spring, a locking sleeve is installed on the outer wall of the base, a mounting sleeve is installed on the top of the base, a damper is installed on the inner wall of the mounting sleeve, and a first return spring is installed on the outer wall of the damper, an ejection block is installed on the top of the damper, and an ejection groove is provided on the top of the ejection block, a lifting block is installed on the outer side of the mounting sleeve, and pull plates are connected to the outer walls of the lifting block on both sides.

[0005] Preferably, both outer walls on both sides of the bottom end of the ejection block are connected with connecting rods, and one side of the connecting rods is fixedly connected to the inner wall of the lifting block.

[0006] Preferably, both side outer walls of the mounting sleeve are provided with limiting holes, and the connecting rods pass through the inner sides of the limiting holes.

[0007] Preferably, the inner wall below the locking sleeve is provided with an internal thread, and the outer wall above the base is provided with an external thread matching the internal thread.

[0008] Preferably, third return springs are installed on both side outer walls of the lifting block, and pressure rods are installed on the inner sides of the third return springs, one side of the pressure rods is connected to a locking block, and the outer walls below the mounting sleeve are provided with locking grooves matching the locking blocks.

[0009] Preferably, the outer wall below the first return spring is evenly provided with oil outlet holes, and the inner sides of the oil outlet holes are all installed with ball plugs.

[0010] Preferably, the outer wall above the first return spring is evenly provided with oil inlet holes, and the inner sides of the oil inlet holes are all installed with sealing plugs.

[0011] Preferably, the top end of the ball plunger is connected to a connecting plate, and second return springs are installed on both sides of the bottom end of the connecting plate.

[0012] Compared with the prior art, the beneficial effects of the utility model are:

[0013] (1) The utility model provides a lifting block, a damper and a first return spring. By moving the lifting block downward, the damper and the first return spring are squeezed and deformed, and then the locking sleeve is rotated and the threads are matched to move the locking sleeve upward, so that the third return spring and the pressure rod are pressed in the locking sleeve. By squeezing, the pressure rod drives the locking block to be stuck in the locking groove to lock it, which is convenient for placing the ejection object in the ejection groove, and solves the problem of not having a locking function.

[0014] (2) The utility model provides an ejection block, an oil outlet hole and a ball plug. The ejection block is used to squeeze the first return spring downward. The first return spring is squeezed and contacted to shrink, so that the ball plug is squeezed upward. At the same time, the second return spring is stretched and deformed. Then, the lubricating oil in the first return spring flows out through the gap between the oil outlet hole and the ball plug, thereby realizing self-lubrication of the first return spring, improving the working performance, and solving the problem of not having a self-lubricating function. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the cross-sectional structure of the device of the utility model;

[0016] Figure 2 This is a schematic diagram of the front view structure of the device of the utility model;

[0017] Figure 3 This is a schematic diagram of the cross-sectional structure of the first return spring of the utility model;

[0018] Figure 4 For this utility model Figure 2 Enlarged structural diagram at A in the middle.

[0019] In the figure: 1. locking sleeve; 2. damper; 3. lifting block; 4. connecting rod; 5. ejection block; 6. ejection slot; 7. pull plate; 8. first return spring; 9. locking slot; 10. base; 11. mounting sleeve; 12. oil outlet hole; 13. connecting plate; 14. oil inlet hole; 15. sealing plug; 16. second return spring; 17. ball plug; 18. locking block; 19. pressure rod; 20. third return spring. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0021] Example 1: Please refer to Figure 1-Figure 4 A durable spring ejection device comprises a damper 2, a base 10 and a third return spring 20, a locking sleeve 1 is installed on the outer wall of the base 10, a mounting sleeve 11 is installed on the upper part of the base 10, a damper 2 is installed on the inner wall of the mounting sleeve 11, and a first return spring 8 is installed on the outer wall of the damper 2, an ejection block 5 is installed on the top of the damper 2, and an ejection groove 6 is provided on the top of the ejection block 5, a lifting block 3 is installed on the outer side of the mounting sleeve 11, and the outer walls of both sides of the lifting block 3 are connected with pull plates 7;

[0022] The outer walls on both sides of the bottom end of the ejection block 5 are connected with connecting rods 4, and one side of the connecting rods 4 is fixedly connected to the inner wall of the lifting block 3;

[0023] The outer walls of both sides of the mounting sleeve 11 are provided with limiting holes, and the connecting rods 4 are passed through the inner sides of the limiting holes;

[0024] The inner wall below the locking sleeve 1 is provided with an internal thread, and the outer wall above the base 10 is provided with an external thread matching the internal thread;

[0025] The outer walls on both sides of the lifting block 3 are installed with third return springs 20, and the inner side of the third return spring 20 is installed with a pressure rod 19, one side of the pressure rod 19 is connected to a locking block 18, and the outer wall below the installation sleeve 11 is provided with a locking groove 9 matched with the locking block 18;

[0026] Specifically, Figure 1 , Figure 2 and Figure 4 As shown, when this structure is used, by moving the lifting block 3 downward, the damper 2 and the first return spring 8 are squeezed and deformed, and then the locking sleeve 1 is rotated and the threads are matched to move the locking sleeve 1 upward, so that the third return spring 20 and the pressure rod 19 are pressed in the locking sleeve 1, and the pressure rod 19 drives the locking block 18 to be stuck in the locking groove 9 through squeezing to lock it, which is convenient for placing the ejection object in the ejection groove 6 and realizes the locking function.

[0027] Embodiment 2: The outer wall below the first return spring 8 is evenly provided with oil outlet holes 12, and the inner side of the oil outlet holes 12 is installed with ball plugs 17;

[0028] The outer wall above the first return spring 8 is evenly provided with oil inlet holes 14, and the inner sides of the oil inlet holes 14 are all installed with sealing plugs 15;

[0029] The top of the ball plunger 17 is connected to a connecting plate 13, and both sides of the bottom of the connecting plate 13 are installed with a second return spring 16;

[0030] Specifically, Figure 1 and Figure 3 As shown, when this structure is used, the first return spring 8 is squeezed downward by the ejection block 5, and the first return spring 8 is squeezed, contacted and contracted, so that the ball plug 17 is squeezed upward, and the second return spring 16 is stretched and deformed. Then, the lubricating oil in the first return spring 8 flows out through the gap between the oil outlet 12 and the ball plug 17, thereby realizing self-lubrication of the first return spring 8 and improving the working performance.

[0031] Working principle: When using the device, first put the projectile into the ejection slot 6, and then pull the pull plate 7 downward, so that the pull plate 7 drives the lifting block 3 and the ejection block 5 to press the first return spring 8 and the damper 2 downward at the same time. After the lifting block 3 is loosened, the damper 2 and the first return spring 8 are reset to make the ejection block 5 ejected, and the projectile in the ejection slot 6 is ejected at the same time;

[0032] The first step to implement the innovation point:

[0033] Step 1: The first return spring 8 is pressed downward by the ejection block 5, and the first return spring 8 is pressed, contacted and contracted, so that the ball plug 17 is pressed upward, and the second return spring 16 is stretched and deformed, and then the lubricating oil in the first return spring 8 flows out through the gap between the oil outlet hole 12 and the ball plug 17, so as to lubricate the first return spring 8;

[0034] Step 2: After the first return spring 8 is restored and extended, the second return spring 16 is restored to make the ball plug 17 snap downward into the oil outlet hole 12 to seal the oil outlet hole 12.

[0035] The second innovation point implementation steps:

[0036] Step 1: By moving the lifting block 3 downward, the damper 2 and the first return spring 8 are squeezed and deformed, and then the locking sleeve 1 is rotated and threaded to move the locking sleeve 1 upward, so that the third return spring 20 and the pressure rod 19 are pressed in the locking sleeve 1, and the pressure rod 19 drives the locking block 18 to be stuck in the locking groove 9 by squeezing to lock it, so as to facilitate the placement of the ejection object in the ejection groove 6;

[0037] Step 2: When ejection is required, the locking sleeve 1 is rotated downward again, and the third return spring 20 is away from the locking sleeve 1. The third return spring 20 is reset to make the locking block 18 away from the locking groove 9, and then the damper 2 and the first return spring 8 are reset to make the lifting block 3 drive the ejection block 5 to pop up.

[0038] It should be noted that, in this article, relational terms such as first and second, etc. are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply any such actual relationship or order between these entities or operations. Moreover, the terms "include", "comprise" or any other variants thereof are intended to cover non-exclusive inclusion, so that a process, method, article or device including a series of elements includes not only those elements, but also other elements not explicitly listed, or also includes elements inherent to such process, method, article or device.

[0039] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A durable spring ejection device, comprising a damper (2), a base (10) and a third return spring (20), characterized in that: A locking sleeve (1) is installed on the outer wall of the base (10), a mounting sleeve (11) is installed above the base (10), a damper (2) is installed on the inner wall of the mounting sleeve (11), and a first return spring (8) is installed on the outer wall of the damper (2), an ejection block (5) is installed on the top of the damper (2), and an ejection groove (6) is provided on the top of the ejection block (5), a lifting block (3) is installed on the outer side of the mounting sleeve (11), and the outer walls on both sides of the lifting block (3) are connected to pull plates (7).

2. A durable spring ejection device according to claim 1, characterized in that: The outer walls on both sides of the bottom end of the ejection block (5) are connected to connecting rods (4), and one side of the connecting rods (4) is fixedly connected to the inner wall of the lifting block (3).

3. A durable spring ejection device according to claim 2, characterized in that: The outer walls on both sides of the installation sleeve (11) are provided with limiting holes, and the connecting rods (4) pass through the inner sides of the limiting holes.

4. A durable spring ejection device according to claim 1, characterized in that: The inner wall below the locking sleeve (1) is provided with an internal thread, and the outer wall above the base (10) is provided with an external thread matching the internal thread.

5. A durable spring ejection device according to claim 1, characterized in that: The outer walls on both sides of the lifting block (3) are installed with third return springs (20), and the inner side of the third return spring (20) is installed with a pressure rod (19), one side of the pressure rod (19) is connected to a locking block (18), and the outer wall below the installation sleeve (11) is provided with a locking groove (9) matching the locking block (18).

6. A durable spring ejection device according to claim 1, characterized in that: The outer wall below the first return spring (8) is evenly provided with oil outlet holes (12), and the inner sides of the oil outlet holes (12) are all equipped with ball plugs (17).

7. A durable spring ejection device according to claim 1, characterized in that: The outer wall above the first return spring (8) is evenly provided with oil inlet holes (14), and the inner sides of the oil inlet holes (14) are all installed with sealing plugs (15).

8. A durable spring ejection device according to claim 6, characterized in that: The top end of the ball plunger (17) is connected to a connecting plate (13), and second return springs (16) are installed on both sides of the bottom end of the connecting plate (13).

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