CN207080546U - One kind delay nitrogen spring device - Google Patents

Abstract

The utility model discloses a kind of delay nitrogen spring device, and it includes：Pedestal and the nitrogen spring being installed on pedestal and nitrogen air accumulator, magnetic valve is provided with the pedestal, the inner chamber in pedestal is separated into first, second chamber by the magnetic valve, passes through solenoid valve control isolation or connection between first, second chamber；Piston separator plate is provided with the nitrogen air accumulator, nitrogen air accumulator inner chamber is divided into the 3rd chamber and the 4th chamber mutually completely cut off by the piston separator plate, 3rd chamber connects with second chamber, and the first chamber connects the nitrogen spring, is full of oil in first, second, third chamber；4th chamber inflated with nitrogen.The utility model has good delay effect, solves the problems, such as the quick resilience of nitrogen spring.Nitrogen spring is installed on pedestal by spiral way, dismounting get up it is very convenient, to cause nitrogen spring to not only reduce part, also improve packaging efficiency without being installed using extra screw and fixed seat.

Description

One kind delay nitrogen spring device

Technical field：

Flexible member product technical field is the utility model is related to, refers in particular to a kind of delay nitrogen spring device.

Background technology：

With the continuous progress of science and technology, requirement more and more higher of the industrial circle to flexible member, elastic member had both been required Part meets the various demands of mechanical structure, requires miniaturization and the high-performance of flexible member again.

The conventional elastic means used in the prior art, such as spring, elastic caoutchouc and air cushion, caused elastic force with The directly proportional increase of increase of decrement and constant pressure can not be kept in the course of the work, and the work that flexible stroke is small, a lot Skill needs constant Flexible change, and conventional elastic means bring very big influence and limitation to production engineering specifications, it is impossible to Meet process requirements, cause to directly affect product quality and efficiency, cause production cost to greatly improve.

Nitrogen spring of the prior art can solve these above-mentioned problems, at present, the nitrogen spring of China's every profession and trade Based on import, mould nitrogen spring (abbreviation punch die nitrogen spring or nitrogen spring or nitrogen cylinder or nitrogen cylinder) is one kind with high pressure Nitrogen is the New Elastic Component on Cool of working media, and its small volume, elastic force are big, stroke is long, stable working, and manufacture is accurate, uses the longevity Life length, spring curve is gentle, and does not need pretension etc., and it has the common elastic component such as metal spring, rubber and air cushion The work completed is difficult to, simplifies mold design and manufacture, facilitates mould installion and adjustment, extends the mold use life-span, it is ensured that The stabilization of product quality, it is a kind of optimal elastomeric element of new generation with flex capability.

In view of this, the present inventor proposes following technical scheme.

Utility model content：

The purpose of this utility model is overcome the deficiencies in the prior art, there is provided one kind delay nitrogen spring device.

In order to solve the above-mentioned technical problem, the utility model employs following technical proposals：The delay nitrogen spring device Including：Pedestal and the nitrogen spring being installed on pedestal and nitrogen air accumulator, magnetic valve are provided with the pedestal, the electromagnetism Inner chamber in pedestal is separated into first, second chamber by valve, is completely cut off or is connected by solenoid valve control between first, second chamber It is logical；Be provided with piston separator plate in the nitrogen air accumulator, the piston separator plate by nitrogen air accumulator inner chamber be divided into mutually every Exhausted the 3rd chamber and the 4th chamber, the 3rd chamber connect with second chamber, and the first chamber connects the nitrogen spring, Full of oil in first, second, third chamber；The 4th chamber inflated with nitrogen.

Furthermore, in above-mentioned technical proposal, after the piston rod in the nitrogen spring is depressed by foreign object, the magnetic valve Control pedestal in first, second chamber, the nitrogen spring force pressure first chamber in part oil enter second chamber and 3rd chamber of nitrogen air accumulator, and the oil in the 3rd chamber of the nitrogen air accumulator then promotes piston separator plate to move up, The 4th chamber of nitrogen air accumulator is set to diminish, and the nitrogen in the 4th chamber is compressed, until piston rod no longer moves down, the electricity First, second chamber isolation in magnet valve control pedestal, now, the piston rod will not produce upward power；When pressure piston rod Foreign object take away after, the piston rod will not reset immediately, until solenoid valve control pedestal in first, second chamber, nitrogen Restoring force caused by the nitrogen compressed in 4th chamber of gas air accumulator promotes piston separator plate to move down, and forces the second chamber The part oil stream of room and the 3rd chamber enters nitrogen spring, so that piston rod resets.

Furthermore, in above-mentioned technical proposal, the nitrogen spring is removably installed on pedestal, and the nitrogen Sealing ring is provided between gas spring and pedestal, and linking is sealed with this.

Furthermore, in above-mentioned technical proposal, the nitrogen spring lower end is provided with thread segment, and passes through the thread segment Spiral is fixed on the screw thread installation position set on pedestal, and the screw thread installation position is with dividing gas passage to connect.

Furthermore, in above-mentioned technical proposal, the nitrogen spring include cylinder body, be installed in cylinder body and highlight in The piston rod of cylinder body upper end, the guide ring for being socketed on piston rod and being contacted with inboard wall of cylinder block, work is fixedly sheathed in by jump ring Stopper rod lower end and the oil sealing contacted with inboard wall of cylinder block, the oil sealing are located at below guide ring, and the piston rod periphery is provided with wiper groove, And O-ring is also socketed with the wiper groove, the O-ring contacts with inboard wall of cylinder block；The cylinder body lower end forms described screw thread Section.

Furthermore, in above-mentioned technical proposal, the cylinder body upper end is provided with skeleton dust seal, and the piston rod upper end is worn The skeleton dust seal is crossed to extend.

Furthermore, in above-mentioned technical proposal, the skeleton dust seal upper end, which has, tilts dust ring, and the inclination is dust-proof It is in inclined-plane that ring periphery, which is set,.

After adopting the above technical scheme, the utility model has the advantages that compared with prior art：This practicality It is new that there is good delay effect, solve the problems, such as the quick resilience of nitrogen spring.In addition, nitrogen spring passes through spiral way Be installed on pedestal, dismounting get up it is very convenient, to cause nitrogen spring without being pacified using extra screw and fixed seat Dress, not only reduces part, also improves packaging efficiency, make the utility model have the extremely strong market competitiveness.

Brief description of the drawings：

Fig. 1 is structural representation of the present utility model (during no foreign object pressure)；

Fig. 2 is structural representation of the present utility model (when having foreign object pressure)；

Fig. 3 is the structural representation of nitrogen spring in the utility model.

Embodiment：

The utility model is further illustrated with reference to specific embodiments and the drawings.

As shown in Fig. 1-3, for a kind of delay nitrogen spring device, it includes：Pedestal 1 and the nitrogen being installed on pedestal 1 Gas spring 2 and nitrogen air accumulator 3.

Magnetic valve 4 is provided with the pedestal 1, the inner chamber in pedestal 1 is separated into first, second chamber by the magnetic valve 4 11st, 12, pass through the control of magnetic valve 4 isolation or connection between first, second chamber 11,12；Set in the nitrogen air accumulator 3 There is piston separator plate 31, the inner chamber of nitrogen air accumulator 3 is divided into the 3rd chamber 32 mutually completely cut off and by the piston separator plate 31 Four chambers 33, the 3rd chamber 32 connect with second chamber 12, and the first chamber 11 connects the nitrogen spring 2, and this First, full of oil in second, third chamber 11,12,32；The inflated with nitrogen of 4th chamber 33.During work, in the nitrogen spring 2 Piston rod 22 depressed by foreign object 5 after, the magnetic valve 4 control pedestal 1 in first, second chamber 11,12 connection, the nitrogen Spring 2, which is forced, presses oily the 3rd chamber 32 for entering second chamber 12 and nitrogen air accumulator 3 in the part in first chamber 11, and the nitrogen Oil in 3rd chamber 32 of air accumulator 3 then promotes piston separator plate 31 to move up, and makes the 4th chamber 33 of nitrogen air accumulator 3 Diminish, and the nitrogen in the 4th chamber 33 is compressed, until piston rod 22 no longer moves down, in the magnetic valve 4 control pedestal 1 First, second chamber 11,12 completely cuts off, and now, the piston rod 22 will not produce upward power；When the foreign object 5 of pressure piston rod 22 After taking away, the piston rod 22 will not reset immediately, until magnetic valve 4 controls first, second chamber 11,12 in pedestal 1 to connect Logical, restoring force caused by the nitrogen compressed in the 4th chamber 33 of nitrogen air accumulator 3 promotes piston separator plate 31 to move down, The part oil stream of the chamber 32 of second chamber 12 and the 3rd is forced to enter nitrogen spring 2, so that piston rod 22 resets, it is good to play Delay effect, solve the problems, such as the quick resilience of nitrogen spring.

The nitrogen spring 2 is removably installed on pedestal 1, and is set between the nitrogen spring 2 and pedestal 1 There is sealing ring, and linking is sealed with this.Specifically, the lower end of nitrogen spring 2 is provided with thread segment 27, and passes through the screw thread 27 spirals of section are fixed on pedestal 1 on the screw thread installation position set, and the screw thread installation position is with dividing gas passage 12 to connect.

The nitrogen spring is installed on pedestal by spiral way, dismounting get up it is very convenient, to cause nitrogen spring Without being installed using extra screw and fixed seat, part is not only reduced, also improves packaging efficiency, make this practicality new Type has the extremely strong market competitiveness.

The nitrogen spring 2 includes cylinder body 21, is installed in cylinder body 21 and highlight the piston rod 22 in the upper end of cylinder body 21, The guide ring 23 that is socketed on piston rod 22 and is contacted with the inwall of cylinder body 21, the lower end of piston rod 22 is fixedly sheathed in simultaneously by jump ring The oil sealing 24 contacted with the inwall of cylinder body 21, the oil sealing 24 are located at the lower section of guide ring 23, and the periphery of piston rod 22 is provided with wiper groove 25, and O-ring 26 is also socketed with the wiper groove 25, the O-ring 26 contacts with the inwall of cylinder body 21；The lower end of cylinder body 21 into Type has described thread segment 27.

The upper end of cylinder body 21 is provided with skeleton dust seal 28, and the upper end of piston rod 22 is stretched out through the skeleton dust seal 28 Outside, it can make nitrogen spring 2 that there is dust-proof effect with this.Specifically, the upper end of skeleton dust seal 28 has inclination dust-proof Ring 281, it is in inclined-plane that the periphery of inclination dust ring 281, which is set, with this dust can be made to be fallen along the inclined-plane, can further improve dust-proof Effect.

In summary, the utility model has good delay effect, solves the problems, such as the quick resilience of nitrogen spring.Separately Outside, nitrogen spring is installed on pedestal by spiral way, dismounting get up it is very convenient, to cause nitrogen spring without using volume Outer screw and fixed seat is installed, and is not only reduced part, is also improved packaging efficiency, makes the utility model have extremely strong The market competitiveness.

Certainly, specific embodiment of the utility model is the foregoing is only, is not to implement to limit the utility model Scope, all equivalent change or modifications done according to construction, feature and principle described in present utility model application the scope of the claims, all should be wrapped Include in present utility model application the scope of the claims.

Claims (6)

1. one kind delay nitrogen spring device, it includes：Pedestal (1) and the nitrogen spring (2) and nitrogen being installed on pedestal (1) Gas air accumulator (3), it is characterised in that：

Magnetic valve (4) is provided with the pedestal (1), the inner chamber in pedestal (1) is separated into first, second by the magnetic valve (4) Chamber (11,12), pass through magnetic valve (4) control isolation or connection between first, second chamber (11,12)；The nitrogen storage Piston separator plate (31) is provided with gas tank (3), the piston separator plate (31) by nitrogen air accumulator (3) inner chamber be divided into mutually every Exhausted the 3rd chamber (32) and the 4th chamber (33), the 3rd chamber (32) connects with second chamber (12), and the first chamber (11) nitrogen spring (2) is connected, is full of oil in first, second, third chamber (11,12,32)；4th chamber (33) inflated with nitrogen；After piston rod (22) in the nitrogen spring (2) is depressed by foreign object, in the magnetic valve (4) control pedestal (1) First, second chamber (11,12) connection, the nitrogen spring (2) forces the part oil in pressure first chamber (11) to enter the second chamber Room (12) and the 3rd chamber (32) of nitrogen air accumulator (3), and the oil in the 3rd chamber (32) of the nitrogen air accumulator (3) then pushes away Dynamic piston separator plate (31) moves up, and the 4th chamber (33) of nitrogen air accumulator (3) is diminished, and in the 4th chamber (33) Nitrogen compressed, until piston rod (22) no longer moves down, first, second chamber in the magnetic valve (4) control pedestal (1) (11,12) completely cut off, now, the piston rod (22) will not produce upward power；, should after the foreign object for depressing piston rod (22) is taken away Piston rod (22) will not reset immediately, until first, second chamber (the 11,12) connection in magnetic valve (4) control pedestal (1), Restoring force caused by the nitrogen compressed in 4th chamber (33) of nitrogen air accumulator (3) promotes piston separator plate (31) to moving down It is dynamic, force second chamber (12) and the part oil stream of the 3rd chamber (32) to enter nitrogen spring (2), so that piston rod (22) is multiple Position.

A kind of 2. delay nitrogen spring device according to claim 1, it is characterised in that：The nitrogen spring (2) is with can Dismounting mode is installed on pedestal (1), and sealing ring is provided between the nitrogen spring (2) and pedestal (1), and seals rank with this Connect.

A kind of 3. delay nitrogen spring device according to claim 2, it is characterised in that：Nitrogen spring (2) lower end Thread segment (27) is provided with, and is fixed on by thread segment (27) spiral on pedestal (1) on the screw thread installation position set, the spiral shell Line installation position is with dividing gas passage (12) to connect.

A kind of 4. delay nitrogen spring device according to claim 3, it is characterised in that：The nitrogen spring (2) includes There is cylinder body (21), be installed in cylinder body (21) and highlight the piston rod (22) in cylinder body (21) upper end, be socketed on piston rod (22) It is upper and contact with cylinder body (21) inwall guide ring (23), be fixedly sheathed in by jump ring piston rod (22) lower end simultaneously and cylinder body (21) oil sealing (24) of inwall contact, the oil sealing (24) are located at below guide ring (23), and piston rod (22) periphery, which is provided with, scrapes Oil groove (25), and O-ring (26) is also socketed with the wiper groove (25), the O-ring (26) contacts with cylinder body (21) inwall；It is described Cylinder body (21) lower end forms described thread segment (27).

A kind of 5. delay nitrogen spring device according to claim 4, it is characterised in that：Cylinder body (21) upper end is set There is skeleton dust seal (28), piston rod (22) upper end extends through the skeleton dust seal (28).

A kind of 6. delay nitrogen spring device according to claim 5, it is characterised in that：On the skeleton dust seal (28) End, which has, tilts dust ring (281), and it is in inclined-plane that the inclination dust ring (281) periphery, which is set,.