CN219013244U

CN219013244U - Time-delay nitrogen spring is with complete locking mechanism

Info

Publication number: CN219013244U
Application number: CN202223522108.6U
Authority: CN
Inventors: 张栋; 杜祥森; 吕立福
Original assignee: Jiangsu Jigu Precision Machinery Technology Co ltd
Current assignee: Jiangsu Jigu Precision Machinery Technology Co ltd
Priority date: 2022-12-27
Filing date: 2022-12-27
Publication date: 2023-05-12
Anticipated expiration: 2032-12-27

Abstract

The utility model relates to a complete locking mechanism for a time-delay nitrogen spring, which belongs to the technical field of nitrogen springs and comprises a time-delay nitrogen spring cylinder body, wherein a piston rod guide piece is fixedly arranged on the inner wall of the time-delay nitrogen spring cylinder body close to the edge of the top. According to the utility model, when the piston rod main body is extruded and then the bottom piston seat ring is driven to roll downwards, the piston seat ring can compress the nitrogen in the nitrogen spring cylinder, the locking piece with the tangential surface at the top part can compress the reset spring and drive the driving plate to slide in the equipment box, so that the locking piece can be retracted into the equipment box, and can be clamped into the clamping groove of the piston anti-abrasion ring to lock when the piston seat ring moves to the top part of the partition plate, so that the piston rod main body can be prevented from rebounding, the locking effect of the time-delay nitrogen spring is effectively improved, the processing precision of a stamping part is improved, and when the stamping part needs to rebounding, the electric telescopic rod can be started to drive the locking piece to be separated from the clamping groove of the piston anti-abrasion ring, so that the piston rod main body can rebound and reset.

Description

Time-delay nitrogen spring is with complete locking mechanism

Technical Field

The utility model relates to the technical field of nitrogen springs, in particular to a complete locking mechanism for a time-delay nitrogen spring.

Background

The delayed nitrogen spring is a component with an elastic function, high-pressure nitrogen is sealed in a certain container, external force compresses the nitrogen through a post rod, when the external force is removed, the nitrogen is expanded by the high-pressure nitrogen to obtain a certain elastic pressure, the component is called a nitrogen cylinder or a gas spring or a nitrogen cylinder elastic device, the existing delayed nitrogen spring slightly rebounds after being affected by nitrogen in the cylinder to touch the bottom in the production process of special high-precision stamping parts, and the production precision of the stamping parts is affected generally by about 1 MM.

Through searching, the China patent with the prior publication number of CN210637427U discloses a complete locking system for a delayed nitrogen spring, and the nitrogen flow direction is controlled by utilizing an integrated valve group through the combined application of the delayed nitrogen spring and a passive nitrogen spring, so that the complete locking system is formed, the problem of resilience of the delayed nitrogen spring during return stroke of a punching machine die is effectively solved, the quality and strength of punched parts are obviously improved, and the punching production efficiency is greatly improved.

The technical scheme has the following defects that when the time-delay nitrogen spring is used by the full locking mechanism, more air channel structures are needed to control the nitrogen flow direction, and rebound conditions still exist in the actual use process, so that the processing precision of stamping parts is affected.

In view of this, the present utility model provides a technical solution for improving and solving the above-mentioned problems, and for intensively researching and applying in cooperation with the academic theory, and finally providing a solution which has a reasonable design and can effectively improve the above-mentioned drawbacks.

The information disclosed in this background section is only for enhancement of understanding of the general background of the utility model and should not be taken as an acknowledgement or any form of suggestion that this information forms the prior art already known to a person skilled in the art.

Disclosure of Invention

The utility model provides a complete locking mechanism for a time-delay nitrogen spring, which solves the problems set forth in the background art and effectively improves the locking effect of the time-delay nitrogen spring.

The scheme for solving the technical problems is as follows: the utility model provides a time delay nitrogen spring is with complete locking mechanism, includes time delay nitrogen spring cylinder body, the inner wall of time delay nitrogen spring cylinder body is close to top edge fixed mounting has the piston rod guide, the inner wall sliding connection of piston rod guide has the piston rod main part, the bottom fixed mounting of piston rod main part has the piston seat insert, the outer wall fixed mounting of piston seat insert has the piston anti-wear ring, the bottom fixed intercommunication of time delay nitrogen spring cylinder body has the pneumatic valve, the inner wall of time delay nitrogen spring cylinder body is close to intermediate position bottom fixed mounting and has the division board, the both sides of time delay nitrogen spring cylinder body is close to intermediate position bottom equal fixed mounting has the equipment box, both sides the equal fixed mounting of inner wall of equipment box has the partition board, both sides the inner wall bottom fixed mounting of equipment box has electric telescopic handle, both sides equal sliding connection has the drive plate, both sides the outer wall of drive plate is close to top edge equal fixed mounting of sliding lever, both sides the outer wall of sliding lever is all overlapped and is equipped with reset spring, both sides the equal fixed connection of relative one end of sliding lever has the pneumatic valve, both sides the inner wall top fixed mounting of equipment box has the closing plate.

On the basis of the technical scheme, the utility model can be improved as follows.

Further, the sealing plate is provided with a sliding hole matched with the sliding rod, the inner wall of the sliding hole is in sliding connection with the sliding rod, and the diameter of the sliding hole is larger than the outer diameter of the reset spring.

Further, a rubber pad is fixedly arranged at the bottom of the piston seat ring.

Further, the bottom of the piston seat ring is provided with a conical structure, and the top of the partition plate is provided with a conical structure matched with the piston seat ring.

Further, the bottom of the partition plate is provided with a vent hole.

Further, clamping grooves matched with the locking pieces are formed in two sides of the outer wall of the piston anti-abrasion ring.

Further, a through hole matched with the piston rod main body is formed in the top of the piston rod guide piece, a sealing rubber ring is fixedly arranged on the inner wall of the through hole, and the piston rod main body is in sliding connection with the sealing rubber ring on the inner wall of the through hole.

Further, the passing holes matched with the locking pieces are formed in the two sides of the delay nitrogen spring cylinder body, the inner walls of the passing holes are in sliding connection with the locking pieces, and the tops of the locking pieces are of tangent plane structures.

The utility model provides a complete locking mechanism for a time-delay nitrogen spring, which has the following advantages:

the piston rod main part receives the nitrogen gas of the inside nitrogen gas of nitrogen gas spring cylinder body when the calendering under the piston seat circle that can drive the bottom after the extrusion, the compressible top of piston seat circle has the retaining member compression reset spring of tangent plane and drives the drive plate and slide in the inside of equipment box for the retaining member can take in the inside of equipment box, the retaining member can block into the draw-in groove of piston anti-wear ring and lock when the piston seat circle removes the top to the division board, prevents that it from kick-backing, has effectively improved the locking effect of time delay nitrogen gas spring, has improved the machining precision of stamping workpiece, can start electric telescopic handle and drive the retaining member and break away from the draw-in groove of piston anti-wear ring when the needs kick-backing, makes the piston rod main part can rebound and reset.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings. Specific embodiments of the present utility model are given in detail by the following examples and the accompanying drawings.

Drawings

The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this application, illustrate embodiments of the utility model and together with the description serve to explain the utility model and do not constitute a limitation on the utility model. In the drawings:

FIG. 1 is a schematic diagram of a locking state of a complete locking mechanism for a time delay nitrogen spring according to an embodiment of the present utility model;

FIG. 2 is a schematic diagram of a free state of a full locking mechanism for a time delay nitrogen spring according to an embodiment of the present utility model;

FIG. 3 is a schematic diagram of a mechanism for releasing a complete locking mechanism for a time-delay nitrogen spring according to an embodiment of the present utility model;

fig. 4 is a front view of a complete locking mechanism for a time delay nitrogen spring according to an embodiment of the present utility model.

In the drawings, the list of components represented by the various numbers is as follows:

1. a time delay nitrogen spring cylinder; 2. a piston rod guide; 3. a piston rod main body; 4. a piston race; 5. a piston wear ring; 6. an air valve; 7. a partition plate; 8. an equipment box; 9. a partition panel; 10. an electric telescopic rod; 11. a driving plate; 12. a slide bar; 13. a return spring; 14. a locking member; 15. a sealing plate; 16. and a rubber pad.

Detailed Description

The principles and features of the present utility model are described below with reference to fig. 1-4, the examples being provided for illustration only and not for limitation of the scope of the utility model. The utility model is more particularly described by way of example in the following paragraphs with reference to the drawings. Advantages and features of the utility model will become more apparent from the following description and from the claims. It should be noted that the drawings are in a very simplified form and are all to a non-precise scale, merely for convenience and clarity in aiding in the description of embodiments of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1-4, a complete locking mechanism for a time-lapse nitrogen spring comprises a time-lapse nitrogen spring cylinder body 1, a piston rod guide 2 is fixedly installed at the position, close to the top edge, of the inner wall of the time-lapse nitrogen spring cylinder body 1, a piston rod main body 3 is slidably connected to the inner wall of the piston rod guide 2, a piston seat ring 4 is fixedly installed at the bottom of the piston rod main body 3, a piston wear-resistant ring 5 is fixedly installed on the outer wall of the piston seat ring 4, an air valve 6 is fixedly communicated with the bottom of the time-lapse nitrogen spring cylinder body 1, a partition plate 7 is fixedly installed at the position, close to the middle position, of the inner wall of the time-lapse nitrogen spring cylinder body 1, a device box 8 is fixedly installed at the bottom, and a partition plate 9 is fixedly installed at the inner wall of the device box 8, an electric telescopic rod 10 is fixedly installed at the bottom of the inner wall of the device box 8, a driving plate 11 is slidably connected to the inner wall of the partition plate 9, a sliding rod 12 is fixedly installed at the position, a sliding rod 12 is fixedly installed at the outer wall of the edge of the driving plate 11, a reset spring 13 is sleeved on the outer wall of the sliding rod 12, a locking member 14 is fixedly connected to the opposite end of the sliding rod 12, and a sealing plate 15 is fixedly installed at the inner wall 15 of the device box 8.

Preferably, the sealing plate 15 is provided with a sliding hole matched with the sliding rod 12, the inner wall of the sliding hole is in sliding connection with the sliding rod 12, and the diameter of the sliding hole is larger than the outer diameter of the return spring 13.

Preferably, a rubber pad 16 is fixedly mounted at the bottom of the piston race 4.

Preferably, the bottom of the piston race 4 is provided with a conical structure, and the top of the partition plate 7 is provided with a conical structure adapted to the piston race 4.

Preferably, the bottom of the partition plate 7 is provided with a vent hole.

Preferably, clamping grooves matched with the locking pieces 14 are formed on two sides of the outer wall of the piston anti-abrasion ring 5.

Preferably, a through hole matched with the piston rod main body 3 is formed in the top of the piston rod guide member 2, a sealing rubber ring is fixedly arranged on the inner wall of the through hole, and the piston rod main body 3 is in sliding connection with the sealing rubber ring on the inner wall of the through hole.

Preferably, the two sides of the delay nitrogen spring cylinder body 1 are provided with through holes matched with the locking pieces 14, the inner walls of the through holes are in sliding connection with the locking pieces 14, and the tops of the locking pieces 14 at the two sides are in a tangential plane structure.

The specific working principle and the using method of the utility model are as follows: the piston rod main body 3 can drive the nitrogen gas inside the nitrogen gas spring cylinder body 1 when the piston seat ring 4 at the bottom is rolled under the extrusion, the nitrogen gas can be buffered in the compression process, the locking piece 14 with the tangent plane at the top can be compressed when the piston seat ring 4 is pressed to the top position of the partition plate 7, the locking piece 14 compresses the reset spring 13 and drives the driving plate 11 to slide in the equipment box 8, the equipment box 8 can slide in the partition plate 9, the locking piece 14 can be retracted into the equipment box 8, the locking piece 14 can be blocked into the clamping groove of the piston anti-abrasion ring 5 to be locked when the piston seat ring 4 moves to the top of the partition plate 7 to prevent rebound, the electric telescopic rod 10 can be started to drive the driving plate 11 to slide on the outer wall of the partition plate 9 when rebound is needed, the locking piece 14 can be separated from the clamping groove of the piston anti-abrasion ring 5, and the nitrogen gas inside the time-lapse nitrogen gas spring cylinder body 1 can drive the piston seat ring 4 and the piston rod main body 3 at the top to rebound.

The above description is only of the preferred embodiments of the present utility model, and is not intended to limit the present utility model in any way; those skilled in the art will readily appreciate that the present utility model may be implemented as shown in the drawings and described above; however, those skilled in the art will appreciate that many modifications, adaptations, and variations of the present utility model are possible in light of the above teachings without departing from the scope of the utility model; meanwhile, any equivalent changes, modifications and evolution of the above embodiments according to the essential technology of the present utility model still fall within the scope of the present utility model.

Claims

1. The utility model provides a time delay nitrogen spring is with complete locking mechanism, includes time delay nitrogen spring cylinder body (1), its characterized in that: the inner wall of the time delay nitrogen spring cylinder body (1) is close to the top edge and fixedly provided with a piston rod guide (2), the inner wall of the piston rod guide (2) is slidably connected with a piston rod main body (3), the bottom of the piston rod main body (3) is fixedly provided with a piston seat ring (4), the outer wall of the piston seat ring (4) is fixedly provided with a piston anti-wear ring (5), the bottom of the time delay nitrogen spring cylinder body (1) is fixedly communicated with an air valve (6), the inner wall of the time delay nitrogen spring cylinder body (1) is close to the middle position and fixedly provided with a partition plate (7), the two sides of the time delay nitrogen spring cylinder body (1) are close to the middle position and fixedly provided with an equipment box (8), the inner wall of the equipment box (8) is fixedly provided with a partition plate (9), the inner wall of the equipment box (8) is fixedly provided with an electric telescopic rod (10), the partition plate (9) is fixedly connected with a driving plate (11), the outer wall of the driving plate (11) is fixedly provided with a sliding rod (12) near the top edge, the two sides of the outer wall of the driving plate (11) are fixedly provided with a sliding rod (12), the two ends of the sliding rod (12) are fixedly connected with one ends of the sliding rod (12), and sealing plates (15) are fixedly arranged at the tops of the inner walls of the equipment boxes (8) at the two sides.

2. The complete locking mechanism for the time-lapse nitrogen spring according to claim 1, wherein the sealing plate (15) is provided with a sliding hole matched with the sliding rod (12), the inner wall of the sliding hole is in sliding connection with the sliding rod (12), and the diameter of the sliding hole is larger than the outer diameter of the return spring (13).

3. A time delay nitrogen spring full locking mechanism as claimed in claim 1 wherein a rubber pad (16) is fixedly mounted to the bottom of the piston race (4).

4. A time delay nitrogen spring full locking mechanism as claimed in claim 1, wherein the bottom of the piston race (4) is provided with a conical structure and the top of the partition plate (7) is provided with a conical structure adapted to the piston race (4).

5. A time delay nitrogen spring full locking mechanism as claimed in claim 1, wherein the bottom of the partition plate (7) is provided with a vent.

6. The complete locking mechanism for the time-delay nitrogen spring according to claim 1, wherein clamping grooves matched with the locking pieces (14) are formed on two sides of the outer wall of the piston anti-abrasion ring (5).

7. The complete locking mechanism for the time-delay nitrogen spring according to claim 1, wherein a through hole matched with the piston rod main body (3) is formed in the top of the piston rod guide member (2), a sealing rubber ring is fixedly arranged on the inner wall of the through hole, and the piston rod main body (3) is in sliding connection with the sealing rubber ring on the inner wall of the through hole.

8. The complete locking mechanism for the time-lapse nitrogen spring according to claim 1, wherein through holes matched with the locking pieces (14) are formed in two sides of the time-lapse nitrogen spring cylinder body (1), the inner walls of the through holes are slidably connected with the locking pieces (14), and the tops of the locking pieces (14) on two sides are respectively provided with a tangent plane structure.