CN208474388U - A kind of nitrogen gas spring of piston rod Nitrizing Treatment - Google Patents

Abstract

The utility model discloses a kind of nitrogen gas springs of piston rod Nitrizing Treatment, including external member, the outer surface of external member is equipped with cylinder body, and the inside of cylinder body is equipped with dustband, O-ring is equipped at a side position of dustband, and retaining ring is equipped at the lower section side of O-ring, close lower position is equipped with upper sealing gasket, and close lower position is equipped with monoblock type guide pipe, lower seal circle is equipped in monoblock type guide pipe, and it is equipped with lower retaining ring close to the lower section of lower seal circle, a side external surface of external member is equipped with top auxiliary circle.A kind of nitrogen gas spring of piston rod Nitrizing Treatment described in the utility model, equipped with eccentric wheel, latch segment and cylinder body, improve practical safety coefficient, play the role of dual fail-safe, it is not in the unstable phenomenon of installation, using the design that positive and negative mirror image difference is installed, selection installation can be carried out according to different mould structures, bring better prospect of the application.

Description

A kind of nitrogen gas spring of piston rod Nitrizing Treatment

Technical field

The utility model relates to nitrogen gas spring field, in particular to a kind of nitrogen gas spring of piston rod Nitrizing Treatment.

Background technique

Mold special nitrogen spring is a kind of using high pressure nitrogen as the novel elastic component of working media, its small in size, bullet Power is big, stroke is long, stable working, and manufacture is accurate, and long service life, spring curve is gentle, and do not need preload etc., it has There is the common elastics component such as metal spring, rubber and air cushion to be difficult to the work completed, simplifies mold design and manufacture, facilitate mold Installation and adjustment extend the service life of mold, it is ensured that the stabilization of product quality can also be designed to a kind of nitrogen gas spring system System, a part as mold works, and can easily realize that pressure is constant and deferred action in systems, be a kind of tool The optimal elastomeric element of a new generation of flexible performance largely uses always elastic element in mould industry, these Nian Lai, Tool and Die Technology and mold manufacture level have a great development and improve, industrial products to the demand of mold increasingly Greatly, mold is rapidly developed towards accurate, complicated, efficient, the long-life direction, but there is one for original conventional elastic means Fixed disadvantage is not able to satisfy the needs of this situation, cannot ideally solve the requirement of Sheet Metal Forming Technology, often influences stamping parts matter Amount makes mould structure design become more complicated, influences the time that mold is replaced on press machine；Existing nitrogen gas spring makes Used time, there are certain drawbacks, it may appear that unstable phenomenon is installed, it, can not using the design of positive and negative mirror image difference installation Selection installation is carried out according to different mould structures, brings certain influence in actual use, for this purpose, it is proposed that a kind of The nitrogen gas spring of piston rod Nitrizing Treatment.

Utility model content

The main purpose of the utility model is to provide a kind of nitrogen gas springs of piston rod Nitrizing Treatment, can effectively solve The problems in background technique.

To achieve the above object, the technical solution that the utility model is taken are as follows:

The outer surface of a kind of nitrogen gas spring of piston rod Nitrizing Treatment, including external member, the external member is equipped with cylinder body, and described The inside of cylinder body is equipped with dustband, O-ring is equipped at a side position of the dustband, and under the O-ring It is equipped with retaining ring at square side, is equipped with upper sealing gasket close to the lower position, and set close to the lower position There is monoblock type guide pipe, lower seal circle is equipped in the monoblock type guide pipe, and set below the lower seal circle There is lower retaining ring, a side external surface of the external member is equipped with top auxiliary circle, and the lower end outer surface of the top auxiliary circle is equipped with Oil pocket is equipped with lower part auxiliary circle close to the lower position of the oil pocket, and at a side position of the lower part auxiliary circle Equipped with relief groove, it is equipped with capillary close to the lower section of the lower retaining ring, and the lower end outer surface of the capillary is equipped with charge valve, The outer surface of the charge valve is equipped with plug screw, and the inside inner surface of the external member is equipped with quick change screw rod, and the quick change screw rod Lower end outer surface is equipped with fixing seat, and the inside of the fixing seat is equipped with sealing screw rod, and close to the upper position of the sealing screw rod It sets place and is equipped with backing plate, the lower end outer surface of the backing plate is equipped with spring, and the outer surface of the spring is equipped with eccentric wheel, the pad One side external surface of plate is equipped with latch segment, and a side external surface of the latch segment is equipped with nitrogen gas spring seat.

Preferably, the quantity of the dustband, O-ring, retaining ring and lower seal circle is two groups, and dustband, O-shaped Circle, retaining ring and lower seal circle are placed in parallel respectively.

Preferably, the external member is a kind of component of cylindrical structure, and the height of external member is ten centimetres, the external member Outer surface is coated with water delivery oil transportation nanometer layer.

Preferably, the cylinder body is a kind of component of stainless steel material, and the outer surface of cylinder body is coated with oxidation-resistant corrosion-resistant Layer.

Preferably, the inside of the capillary is equipped with tooth socket, and the quantity of tooth socket is several groups, and tooth socket is placed in parallel respectively.

Preferably, the latch segment is a kind of component of square structure, and grooved hole on the outer wall of latch segment.

Compared with prior art, the utility model has the following beneficial effects:

In the utility model, fixing seat is used to for nitrogen gas spring and quick-changing mechanism being fixed on mold, the rotation of eccentric wheel The locking and relieving of nitrogen gas spring are realized in the position that can change latch segment, and backing plate and fixing seat cooperation are practical, and quick change screw rod changes Become the high-speed switch of nitrogen gas spring, top has Hexagon hole to facilitate operation, and screw is used to fix the part of quick-changing mechanism, latch segment Nitrogen gas spring can be locked, spring is used to realize that the locking function of this mechanism, plug screw support quick change screw rod, eccentric wheel and spring, more When changing nitrogen gas spring, quick change screw rod is firmly pinned, compresses the spring below eccentric wheel, eccentric wheel is made to be detached from the card on latch segment Eccentric wheel is rotated the opposite side for making the lesser one end of eccentric radius withstand latch segment by slot later, in the mistake of eccentric wheel rotation Cheng Zhong, latch segment will follow it is eccentric move together, gradually leave until in free state, operator can be by it from fixing seat Mounting hole in take out, substantially increase replacement efficiency, alleviate the workload of staff, it is contemplated that different actual uses Situation facilitates using the mirror image mounting means of just anti-loaded dress and adapts to different mould structures, bring better prospect of the application.

Detailed description of the invention

Fig. 1 is a kind of overall structure diagram of the nitrogen gas spring of piston rod Nitrizing Treatment of the utility model；

Fig. 2 is the explosion views of A in the utility model Fig. 1；

Fig. 3 is a kind of partial enlarged view of the nitrogen gas spring of piston rod Nitrizing Treatment of the utility model.

In figure: 1, external member；2, cylinder body；3, dustband；4, O-ring；5, retaining ring；6, upper sealing gasket；7, monoblock type is oriented to Pipe；8, lower seal circle；9, lower retaining ring；10, top auxiliary circle；11, oil pocket；12, lower part auxiliary circle；13, relief groove；14, hair Tubule；15, charge valve；16, plug screw；17, quick change screw rod；18, fixing seat；19, screw rod is sealed；20, backing plate；21, spring, 22, Eccentric wheel；23, latch segment；24, nitrogen gas spring seat.

Specific embodiment

To be easy to understand the technical means, creative features, achievement of purpose, and effectiveness of the utility model, below In conjunction with specific embodiment, the utility model is further described.

As shown in Figure 1-3, a kind of nitrogen gas spring of piston rod Nitrizing Treatment, including external member 1, the outer surface of external member 1 are equipped with Cylinder body 2, and the inside of cylinder body 2 is equipped with dustband 3, O-ring 4 is equipped at a side position of dustband 3, and close to O-ring 4 Lower section side at be equipped with retaining ring 5, the lower position close to 5 is equipped with upper sealing gasket 6, and sets close to 6 lower position There is monoblock type guide pipe 7, lower seal circle 8 is equipped in monoblock type guide pipe 7, and be equipped with down close to the lower section of lower seal circle 8 Retaining ring 9, a side external surface of external member 1 is equipped with top auxiliary circle 10, and the lower end outer surface of top auxiliary circle 10 is equipped with oil pocket 11, It is equipped with lower part auxiliary circle 12 close to the lower position of oil pocket 11, and is equipped with decompression at a side position of lower part auxiliary circle 12 Slot 13 is equipped with capillary 14 close to the lower section of lower retaining ring 9, and the lower end outer surface of capillary 14 is equipped with charge valve 15, charge valve 15 outer surface is equipped with plug screw 16, and the inside inner surface of external member 1 is equipped with quick change screw rod 17, and the lower end outer surface of quick change screw rod 17 Equipped with fixing seat 18, the inside of fixing seat 18 is equipped with sealing screw rod 19, and pad is equipped at the top position of sealing screw rod 19 Plate 20, the lower end outer surface of backing plate 20 are equipped with spring 21, and the outer surface of spring 21 is equipped with eccentric wheel 22, outside the side of backing plate 20 Surface is equipped with latch segment 23, and a side external surface of latch segment 23 is equipped with nitrogen gas spring seat 24；

Dustband 3, O-ring 4, retaining ring 5 and the quantity of lower seal circle 8 are two groups, and dustband 3, O-ring 4, retaining ring 5 are placed in parallel respectively with lower seal circle 8；External member 1 is a kind of component of cylindrical structure, and the height of external member 1 is ten lis Rice, the outer surface of external member 1 is coated with water delivery oil transportation nanometer layer；Cylinder body 2 is a kind of component of stainless steel material, and the appearance of cylinder body 2 Face is coated with oxidation-resistant corrosion-resistant layer；The inside of capillary 14 is equipped with tooth socket, and the quantity of tooth socket is several groups, and tooth socket is put in parallel respectively It sets；Latch segment 23 is a kind of component of square structure, and grooved hole on the outer wall of latch segment 23.

It should be noted that the utility model is a kind of nitrogen gas spring of piston rod Nitrizing Treatment, when in use, fixing seat 18 are used to for nitrogen gas spring and quick change screw rod 17 being fixed on mold, and the rotation of eccentric wheel 22 can change the position of latch segment 23 It sets, realizes the locking and relieving of nitrogen gas spring, backing plate 20 is used cooperatively with fixing seat 18, and quick change screw rod 17 changes nitrogen gas spring High-speed switch, top have Hexagon hole to facilitate operation, and latch segment 23 can lock nitrogen gas spring, and spring 21 is used to realize this mechanism Locking function, plug screw 16 support quick change screw rod 17, eccentric wheel 22 and spring 21, when replacing nitrogen gas spring, firmly pin quick change spiral shell Bar 17, the spring 21 of 22 lower section of compression eccentric wheel, makes eccentric wheel 22 be detached from the card slot on latch segment 23, later by 22 turns of eccentric wheel The dynamic opposite side for making the lesser one end of 22 radius of eccentric wheel withstand latch segment 23, during eccentric wheel 22 rotates, latch segment 23 will follow eccentric wheel 22 to move together, gradually leave until in free state, and operator can be by it from fixing seat 18 It is taken out in mounting hole, substantially increases replacement efficiency, alleviate the workload of staff, it is more practical.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above.Current row The technical staff of industry is described in above embodiments and description it should be appreciated that the present utility model is not limited to the above embodiments Only illustrate the principles of the present invention, on the premise of not departing from the spirit and scope of the utility model, the utility model is also It will have various changes and improvements, these various changes and improvements fall within the scope of the claimed invention.The utility model Claimed range is defined by the appending claims and its equivalent thereof.

Claims (6)

1. a kind of nitrogen gas spring of piston rod Nitrizing Treatment, including external member (1), it is characterised in that: the outer surface of the external member (1) Equipped with cylinder body (2), and the inside of the cylinder body (2) is equipped with dustband (3), sets at a side position of the dustband (3) Have O-ring (4), and is equipped with retaining ring (5) at the lower section side of the O-ring (4), the lower position close to (5) Monoblock type guide pipe (7) are equipped with equipped with upper sealing gasket (6), and close to the lower position of (6), the monoblock type guiding It manages in (7) and is equipped with lower seal circle (8), and be equipped with lower retaining ring (9) close to the lower section of the lower seal circle (8), the external member (1) a side external surface is equipped with top auxiliary circle (10), and the lower end outer surface of the top auxiliary circle (10) is equipped with oil pocket (11), the lower position close to the oil pocket (11) is equipped with lower part auxiliary circle (12), and close to the lower part auxiliary circle (12) A side position at be equipped with relief groove (13), be equipped with capillary (14) close to the lower section of the lower retaining ring (9), and the capillary (14) lower end outer surface is equipped with charge valve (15), and the outer surface of the charge valve (15) is equipped with plug screw (16), the external member (1) Inside inner surface be equipped with quick change screw rod (17), and the lower end outer surface of the quick change screw rod (17) be equipped with fixing seat (18), institute The inside for stating fixing seat (18) is equipped with sealing screw rod (19), and is equipped with backing plate at the top position of sealing screw rod (19) (20), the lower end outer surface of the backing plate (20) is equipped with spring (21), and the outer surface of the spring (21) is equipped with eccentric wheel (22), a side external surface of the backing plate (20) is equipped with latch segment (23), and a side external surface of the latch segment (23) is equipped with Nitrogen gas spring seat (24).

2. a kind of nitrogen gas spring of piston rod Nitrizing Treatment according to claim 1, it is characterised in that: the dustband (3), the quantity of O-ring (4), retaining ring (5) and lower seal circle (8) is two groups, and dustband (3), O-ring (4), retaining ring (5) it is placed in parallel respectively with lower seal circle (8).

3. a kind of nitrogen gas spring of piston rod Nitrizing Treatment according to claim 1, it is characterised in that: the external member (1) For a kind of component of cylindrical structure, and the height of external member (1) is ten centimetres, and it is defeated that the outer surface of the external member (1) is coated with water delivery Oily nanometer layer.

4. a kind of nitrogen gas spring of piston rod Nitrizing Treatment according to claim 1, it is characterised in that: the cylinder body (2) Outer surface for a kind of component of stainless steel material, and cylinder body (2) is coated with oxidation-resistant corrosion-resistant layer.

5. a kind of nitrogen gas spring of piston rod Nitrizing Treatment according to claim 1, it is characterised in that: the capillary (14) inside is equipped with tooth socket, and the quantity of tooth socket is several groups, and tooth socket is placed in parallel respectively.

6. a kind of nitrogen gas spring of piston rod Nitrizing Treatment according to claim 1, it is characterised in that: the latch segment It (23) is a kind of component of square structure, and grooved hole on the outer wall of latch segment (23).