CN215908297U

CN215908297U - Combined nitrogen spring

Info

Publication number: CN215908297U
Application number: CN202122227479.0U
Authority: CN
Inventors: 王家永; 王娇娇; 高传玲
Original assignee: Hefei Hongbo Spring Co ltd
Current assignee: Hefei Hongbo Spring Co ltd
Priority date: 2021-09-15
Filing date: 2021-09-15
Publication date: 2022-02-25
Anticipated expiration: 2031-09-15

Abstract

The utility model discloses a combined nitrogen spring which comprises a cylinder body, an end cover arranged on the inner side of the upper end of the cylinder body, a piston rod movably arranged at the axis of the end cover, a base arranged on the inner side of the lower end of the cylinder body and a sealing screw cap detachably arranged in the middle of the lower end of the base, wherein three supporting blocks are fixedly connected with the outer parts of the end cover and the base in an equal 120-degree manner, inserting columns are fixedly connected with the inner sides of the three supporting blocks, three inserting blocks are fixedly connected with the middle part of the outer side of the cylinder body in an equal 120-degree manner, inserting holes matched with the inserting columns are formed in the top and the bottom of the three inserting blocks, and a screw ring is rotatably connected between the three inserting blocks in the middle of the outer side of the cylinder body. In the utility model, the opposite mortise lock type assembling and disassembling structure is adopted, so that the assembling and disassembling operations among the end cover, the bottom cover and the cylinder body are convenient, the workload of operators is reduced, and the convenience and the efficiency of assembling, disassembling and overhauling the nitrogen spring are comprehensively improved.

Description

Combined nitrogen spring

Technical Field

The utility model relates to the technical field of nitrogen springs, in particular to a combined nitrogen spring.

Background

The nitrogen spring is a novel elastic component using high-pressure nitrogen as a working medium, has small volume, large elasticity, long stroke, stable work, precise manufacture, long service life (one million times), gentle elasticity curve, no need of pre-tightening and the like, and has the work which is difficult to complete by conventional elastic components such as metal springs, rubbers, air cushions and the like.

However, the existing nitrogen spring still has the defects that: most end cover and base pass through the mode that jump ring and screw thread revolve the closure to be fixed in the upper end and the lower extreme of cylinder body, when wanting to demolish end cover and base from the cylinder body, need the direct participation of operating personnel use tools, both increased operating personnel's work load, also reduced the convenience that nitrogen spring assembled in earlier stage and later stage dismantlement were overhauld simultaneously.

SUMMERY OF THE UTILITY MODEL

The utility model aims to: the combined nitrogen spring is provided for solving the problem that the conventional nitrogen spring is difficult to realize convenient installation and disassembly of an end cover and a base.

In order to achieve the purpose, the utility model adopts the following technical scheme:

the utility model provides a modular nitrogen spring, includes the cylinder body, installs at the piston rod of inboard end cover, movable mounting in end cover axle center department in cylinder body upper end, installs at the inboard base of cylinder body lower extreme and the sealed cap that revolves of demountable installation at base lower extreme middle part, the equal 120 three supporting shoes of fixedly connected with in end cover and base outside, the equal fixedly connected with in inboard of three supporting shoe inserts the post, 120 three inserted blocks of fixedly connected with such as the outside middle part of cylinder body, the jack with insert post looks adaptation is all seted up to the top and the bottom of three inserted block, the outside middle part of cylinder body is located to rotate between the three inserted block and is connected with the swivel, the three groups of fixedly connected with such as the outside of swivel run through the locking piece of inserting the post, the inner of inserting the post sets up the locked groove with locking piece looks closure.

As a further description of the above technical solution:

be provided with locking portion between the front end of cylinder body and the rotating ring, locking portion is including fixing at the cylinder body front end and being located the spacing thread slipping of rotating ring top, being vertical slidable mounting at the inboard lock post of spacing thread slipping and fixing at the rotating ring outside and with the hasp of lock post looks adaptation.

As a further description of the above technical solution:

the outside fixedly connected with of lock post runs through the traveller of spacing thread slipping, the right-hand member of spacing thread slipping is located the outside of traveller and has seted up C type spout.

As a further description of the above technical solution:

the inner side of the upper end of the cylinder body is embedded with a first sealing rubber ring, and the inner surface wall of the first sealing rubber ring is mutually attached to the outer surface wall of the end cover.

As a further description of the above technical solution:

the lower extreme inboard of cylinder body inlays and is equipped with the second rubber sealing ring, the interior table wall of second rubber sealing ring and the exterior wall of base laminate each other.

In summary, due to the adoption of the technical scheme, the utility model has the beneficial effects that:

1. according to the utility model, the opposite-direction insertion type assembling and disassembling structure is adopted, the insertion block, the insertion hole, the rotary ring and the locking block are arranged on the cylinder body, the supporting block, the insertion column and the locking groove are arranged on the end cover and the base, the three insertion columns on the end cover and the base can respectively face and slide into the insertion hole in the insertion block, after the end cover and the base are respectively inserted into the upper end and the lower end of the cylinder body, the locking block on the rotary ring can be screwed into the insertion block, and the locking block sliding into the insertion block can slide into the locking groove on the insertion column along with the insertion block, so that the insertion column is limited and locked on the insertion block.

2. According to the utility model, the anti-misoperation safety structure is arranged, the limiting sliding buckle, the C-shaped sliding groove, the lock column and the sliding column are arranged on the cylinder body, and the lock catch is arranged on the rotary ring, so that when the lock block slides into the space between the insertion block and the insertion column, the lock catch on the rotary ring can be rotationally adjusted to be below the limiting sliding buckle, an operator can hold and slide the sliding column downwards in the C-shaped sliding groove, and the lock column in the limiting sliding buckle can be downwards inserted into the lock catch, so that the rotary ring after rotational adjustment can be subjected to fixed-point locking operation, the problem that an end cover and a base are accidentally separated is reduced, and the stability of the assembled nitrogen spring is improved.

Drawings

FIG. 1 is an isometric view of a combination nitrogen spring according to the present invention;

FIG. 2 is a perspective exploded view of the present invention;

FIG. 3 is a perspective angle sectional view of the cylinder body according to the present invention.

Illustration of the drawings:

1. a cylinder body; 101. inserting a block; 102. a jack; 2. an end cap; 3. a piston rod; 4. a base; 401. sealing the screw cap; 5. a support block; 501. inserting a column; 502. locking the groove; 6. rotating a ring; 601. a locking block; 602. locking; 7. a limiting slide fastener; 701. a C-shaped chute; 8. a lock cylinder; 801. a traveler; 9. a first sealing rubber ring; 10. and a second sealing rubber ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: the utility model provides a modular nitrogen spring, including cylinder body 1, install at the inboard end cover 2 in cylinder body 1 upper end, movable mounting is in the piston rod 3 of 2 axle centers of end cover department, install at the inboard base 4 of 1 lower extreme of cylinder body and the sealed cap 401 of screwing of demountable installation at base 4 lower extreme middle part, the equal 120 three supporting shoe of fixedly connected with 5 of end cover 2 and base 4 outside, the equal fixedly connected with in inboard of three supporting shoe 5 inserts post 501, equal 120 three inserted block 101 of fixedly connected with in the outside middle part of cylinder body 1, the jack 102 with inserting post 501 looks adaptation is all seted up to the top and the bottom of three inserted block 101, the outside middle part of cylinder body 1 is located to rotate between the three inserted block 101 and is connected with swivel 6, three 120 fixedly connected with groups such as outside of swivel 6 run through the locking piece 601 of inserting post 501, the locked groove 502 with locking piece 601 looks closure is seted up to the inner of inserted post 501.

Specifically, as shown in fig. 1 to 3, a locking portion is provided between the front end of the cylinder 1 and the rotating ring 6, the locking portion includes a limiting slide fastener 7 fixed at the front end of the cylinder 1 and located above the rotating ring 6, a lock post 8 vertically slidably mounted on the inner side of the limiting slide fastener 7, and a lock catch 602 fixed outside the rotating ring 6 and adapted to the lock post 8, the outer portion of the lock post 8 is fixedly connected with a slide post 801 penetrating through the limiting slide fastener 7, a C-shaped sliding groove 701 is provided outside the slide post 801 at the right end of the limiting slide fastener 7, and the C-shaped sliding groove 701 is provided to enable the lock post 8 to realize fixed-point locking operation on the upper end and the lower end of the limiting slide fastener 7.

Specifically, as shown in fig. 1 and 2, the inner side of the upper end of the cylinder body 1 is embedded with a first sealing rubber ring 9, the inner surface wall of the first sealing rubber ring 9 is mutually attached to the outer surface wall of the end cover 2, the inner side of the lower end of the cylinder body 1 is embedded with a second sealing rubber ring 10, the inner surface wall of the second sealing rubber ring 10 is mutually attached to the outer surface wall of the base 4, the first sealing rubber ring 9 and the second sealing rubber ring 10 are arranged, and the connection between the cylinder body 1 and the end cover 2 as well as the connection between the cylinder body 1 and the base 4 can be sealed and sealed, so that the stability of the cylinder body 1, the end cover 2 and the base 4 after being assembled is improved.

The working principle is as follows: when the nitrogen spring assembling and processing device is used, the end cover 2 and the base 4 can be respectively placed on the upper end and the lower end of the cylinder body 1, then the three inserting columns 501 on the end cover 2 and the base 4 respectively face and slide into the inserting holes 102 in the inserting block 101, when the end cover 2 and the base 4 are respectively inserted into the upper end and the lower end of the cylinder body 1, an operator can hold the lock catch 602 to screw the lock block 601 on the rotary ring 6 into the inserting block 101, at the moment, the lock block 601 sliding into the inserting block 101 can slide into the lock groove 502 on the inserting column 501 along with the lock block, so that the inserting column 501 is locked in the inserting block 101 in a limiting manner, when the lock block 601 slides into the space between the inserting block 101 and the inserting column 501, the lock catch 602 on the rotary ring 6 can be rotationally adjusted to the lower part of the limiting slide fastener 7, at the moment, the operator can hold and slide the slide column 801 downwards in the C-shaped sliding groove 701, at the moment, the lock column 8 in the limiting slide fastener 7 can be inserted downwards into the lock catch 602, the fixed point locking operation after the rotation adjustment of the rotary ring 6 is completed, and the assembly processing of the nitrogen spring is completed.

The above description is only for the preferred embodiment 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 technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.

Claims

1. A combined nitrogen spring comprises a cylinder body (1), an end cover (2) arranged on the inner side of the upper end of the cylinder body (1), a piston rod (3) movably arranged at the axis of the end cover (2), a base (4) arranged on the inner side of the lower end of the cylinder body (1) and a sealing screw cap (401) detachably arranged in the middle of the lower end of the base (4), and is characterized in that the end cover (2) and the base (4) are fixedly connected with three supporting blocks (5) at equal 120 degrees outside, the inner sides of the three supporting blocks (5) are fixedly connected with inserting columns (501), the middle of the outer side of the cylinder body (1) is fixedly connected with three inserting blocks (101) at equal 120 degrees outside, the tops and the bottoms of the three inserting blocks (101) are respectively provided with an inserting hole (102) matched with the inserting columns (501), the middle of the outer side of the cylinder body (1) is positioned between the three inserting blocks (101) and is rotatably connected with a screw ring (6), the outer portion of the rotating ring (6) is fixedly connected with three groups of locking blocks (601) penetrating through the inserting column (501) at an angle of 120 degrees, and the inner end of the inserting column (501) is provided with a locking groove (502) locked with the locking blocks (601).

2. The combined nitrogen spring according to claim 1, wherein a locking part is arranged between the front end of the cylinder body (1) and the rotating ring (6), and the locking part comprises a limiting slide fastener (7) fixed at the front end of the cylinder body (1) and positioned above the rotating ring (6), a lock cylinder (8) vertically slidably mounted on the inner side of the limiting slide fastener (7), and a lock catch (602) fixed outside the rotating ring (6) and matched with the lock cylinder (8).

3. The combined nitrogen spring according to claim 2, wherein a sliding column (801) penetrating through the limiting sliding buckle (7) is fixedly connected to the outside of the lock column (8), and a C-shaped sliding groove (701) is formed in the right end of the limiting sliding buckle (7) and located outside the sliding column (801).

4. The combined nitrogen spring according to claim 1, wherein a first sealing rubber ring (9) is embedded inside the upper end of the cylinder body (1), and the inner surface wall of the first sealing rubber ring (9) is attached to the outer surface wall of the end cover (2).

5. The combined nitrogen spring according to claim 4, wherein a second sealing rubber ring (10) is embedded inside the lower end of the cylinder body (1), and the inner surface wall of the second sealing rubber ring (10) is attached to the outer surface wall of the base (4).