CN207906359U - A kind of nitrogen gas spring that explosion-proof effect is good - Google Patents

Abstract

The utility model discloses a kind of good nitrogen gas springs of explosion-proof effect, including aeration tank, it is fixedly connected with cylinder body at the top of the aeration tank, and the top of cylinder body, which is run through, plunger, the surface that the plunger extends to inner chamber of cylinder block is arranged with baffle ring, it is fixedly connected with first partition between the both sides of the plunger cavity, and it is fixedly connected with second partition between the both sides of plunger cavity and at the top of first partition, the bottom of the second partition is fixedly connected with micromotor, and the utility model is related to nitrogen gas spring technical fields.The good nitrogen gas spring of the explosion-proof effect, nitrogen extra in cylinder body can be excluded, the damage for avoiding the device increases the service life of the device, ensure that safety when user uses, improve quality when device work, securely and reliably so that the device has good explosion prevention function, is operated convenient for user, and intelligent height so that the device has good convenience.

Description

A kind of nitrogen gas spring that explosion-proof effect is good

Technical field

The utility model is related to nitrogen gas spring technical field, the good nitrogen gas spring of specially a kind of explosion-proof effect.

Background technology

Mold special nitrogen spring is a kind of using high pressure nitrogen as the novel elastic component of working media, its small, bullet Power is big, stroke is long, stable working, and manufacture is accurate, and service life is long, and spring curve is gentle, and need not pre-tighten 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, it is ensured that the stabilization of product quality can also be designed to a kind of nitrogen gas spring system, and one section is used in nitrogen gas spring After time, some spots will enter the inner cavity of nitrogen gas spring, reduce the volume of its inner cavity, be easy to cause nitrogen gas spring Explosion, affects the use of user.

Traditional nitrogen gas spring, most of is all very simple device, can not be arranged nitrogen extra in cylinder body It removes, be easy to cause the damage of the device, reduce the service life of the device, it cannot be guaranteed that safety when user uses, Quality when device work is reduced, not enough securely and reliably so that the device does not have good explosion prevention function, not convenient enough Fast, the person of being not convenient to use is operated, and intelligent not high so that the device does not have good convenience.

Utility model content

In view of the deficiencies of the prior art, the utility model provides a kind of nitrogen gas spring that explosion-proof effect is good, solves anti- The good nitrogen gas spring of quick-fried effect does not have fine explosion prevention function and does not have the problem of fine convenience.

In order to achieve the above object, the utility model is achieved by the following technical programs：A kind of nitrogen that explosion-proof effect is good Gas spring, including aeration tank, are fixedly connected with cylinder body at the top of the aeration tank, and the top of cylinder body is through there is plunger, institute State plunger and extend to the surface of inner chamber of cylinder block and be arranged with baffle ring, be fixedly connected between the both sides of the plunger cavity first every Plate, and it is fixedly connected with second partition, the second partition between the both sides of plunger cavity and at the top of first partition Bottom be fixedly connected with micromotor, and the output shaft of micromotor is fixedly connected with threaded rod, the threaded rod bottom end It is rotatablely connected by bearing with the top of first partition, the thread surface of the threaded rod is connected with slide plate, and slide plate bottom Both sides be fixedly connected with fixed link, the bottom end of the fixed link is through first partition and extends to the bottom of first partition, And one end that fixed link extends to first partition bottom is fixedly connected with pressing plate, and the both sides of the first partition bottom are fixed It is connected with resetting spring, and is fixedly connected with piston between the bottom end of two resetting springs, the surface of the piston is arranged with Sealing shroud.

Preferably, the side of the aeration tank is provided with charge valve, one end of the charge valve and positioned at the interior of aeration tank Chamber is communicated with fixing bolt, and one end of fixing bolt is communicated with gas tube, and the top of the gas tube sequentially passes through inflation Case and cylinder body and the inner cavity for extending to cylinder body.

Preferably, the inside of the piston is through there is the first fixing pipe, and the first fixing pipe is internally provided with first Electronic valve, the both sides of the top land, which are run through, escape pipe.

Preferably, the plunger extends to one end of inner chamber of cylinder block through there is the second fixing pipe, and the second fixing pipe It is internally provided with the second electronic valve.

Preferably, the side of the plunger and positioned at the top of cylinder body through there is connecting tube.

Preferably, the surface of the plunger and sealing ring is arranged at the top of the baffle ring.

Advantageous effect

The utility model provides a kind of nitrogen gas spring that explosion-proof effect is good.Has following advantageous effect：

(1), the good nitrogen gas spring of the explosion-proof effect passes through the top between the both sides of plunger cavity and positioned at first partition It is fixedly connected with second partition, the bottom of second partition is fixedly connected with micromotor, and the output shaft of micromotor is fixed It is connected with threaded rod, the top of threaded rod bottom end and first partition is rotatablely connected by bearing, the thread surface connection of threaded rod There is slide plate, and the both sides of slide plate bottom have been fixedly connected with fixed link, the bottom end of fixed link through first partition and extends to The bottom of first partition, and fixed link extends to one end of first partition bottom and is fixedly connected with pressing plate, first partition bottom Both sides be fixedly connected with resetting spring, and be fixedly connected with piston between the bottom end of two resetting springs, can be to cylinder Extra nitrogen is excluded in vivo, is avoided the damage of the device, is increased the service life of the device, ensure that user Safety when use improves quality when device work, securely and reliably so that the device has good explosion-proof work( Energy.

(2), the good nitrogen gas spring of the explosion-proof effect is provided with charge valve, one end of charge valve by the side of aeration tank And it is communicated with fixing bolt positioned at the inner cavity of aeration tank, and one end of fixing bolt is communicated with gas tube, the top of gas tube It sequentially passes through aeration tank and cylinder body and extends to the inner cavity of cylinder body, plunger extends to one end of inner chamber of cylinder block through there is the second fixation Pipe, and the second fixing pipe is internally provided with the second electronic valve, the inside of piston is through having the first fixing pipe, and first Fixing pipe is internally provided with the first electronic valve, and the both sides of top land, which are run through, escape pipe, convenient and efficient, is easy to use Person operates, and intelligent height so that the device has good convenience.

Description of the drawings

FIG. 1 is a schematic structural view of the utility model；

Fig. 2 is the sectional view of the utility model piston structure.

In figure：1 aeration tank, 2 cylinder bodies, 3 plungers, 4 baffle rings, 5 first partitions, 6 second partitions, 7 micromotors, 8 threaded rods, 9 slide plates, 10 fixed links, 11 resetting springs, 12 pistons, 13 sealing shrouds, 14 charge valves, 15 fixing bolts, 16 gas tubes, 17 first Fixing pipe, 18 first electronic valves, 19 escape pipes, 20 second fixing pipes, 21 second electronic valves, 22 connecting tubes, 23 sealing rings.

Specific implementation mode

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without making creative work The every other embodiment obtained, shall fall within the protection scope of the present invention.

- 2 are please referred to Fig.1, the utility model provides a kind of technical solution：A kind of nitrogen gas spring that explosion-proof effect is good, including Aeration tank 1, the top of aeration tank 1 are fixedly connected with cylinder body 2, and the side of aeration tank 1 is provided with charge valve 14, and the one of charge valve 14 It holds and is communicated with fixing bolt 15 positioned at the inner cavity of aeration tank 1, and one end of fixing bolt 15 is communicated with gas tube 16, inflation The top of pipe 16 sequentially passes through aeration tank 1 and cylinder body 2 and the inner cavity for extending to cylinder body 2, and the top of cylinder body 2 is through there is plunger 3, plunger 3 extends to one end of 2 inner cavity of cylinder body through there is the second fixing pipe 20, and the second fixing pipe 20 is internally provided with the Two electronic valves 21, the side of plunger 3 and positioned at the top of cylinder body 2 through there is a connecting tube 22, the surface of plunger 3 and be located at baffle ring 4 top is arranged with sealing ring 23, and the surface that plunger 3 extends to 2 inner cavity of cylinder body is arranged with baffle ring 4, the both sides of 3 inner cavity of plunger it Between be fixedly connected with first partition 5, and be fixedly connected between the both sides of 3 inner cavity of plunger and positioned at the top of first partition 5 The bottom of second partition 6, second partition 6 is fixedly connected with micromotor 7, and the output shaft of micromotor 7 is fixedly connected with The top of threaded rod 8,8 bottom end of threaded rod and first partition 5 is rotatablely connected by bearing, and the thread surface of threaded rod 8 is connected with Slide plate 9, and the both sides of 9 bottom of slide plate have been fixedly connected with fixed link 10, and the bottom end of fixed link 10 through first partition 5 and is prolonged Extend to the bottom of first partition 5, and fixed link 10 extends to one end of 5 bottom of first partition and is fixedly connected with pressing plate, first The both sides of 5 bottom of partition board have been fixedly connected with resetting spring 11, and are fixedly connected between the bottom end of two resetting springs 11 The surface of piston 12, piston 12 is arranged with sealing shroud 13, and the side of 2 inner cavity of cylinder body is provided with pressure sensor, and 3 inner cavity of plunger Side be also equipped with pressure sensor, at this moment the second electronic valve when the pressure sensor in cylinder body 2 detects hypertonia Door 21 will be opened, and when the pressure sensor in plunger 3 detects hypertonia, and at this moment the first electronic valve 18 will be beaten It opens, extra nitrogen is discharged to the outside of plunger 3 by escape pipe 19 and connecting tube 22, the inside of piston 12, which is run through, first Fixing pipe 17, and the first fixing pipe 17 is internally provided with the first electronic valve 18, and the both sides at 12 top of piston are run through has Escape pipe 19.

In use, user can be filled with nitrogen into cylinder body 2 by charge valve 14 and gas tube 16, and then cylinder is driven Body 2 and plunger 3 work, and the side of 2 inner cavity of cylinder body is provided with pressure sensor, when pressure value is more than to limit model in cylinder body 2 In enclosing, at this moment the second electronic valve 21 will be opened, and then extra nitrogen will enter the inner cavity of plunger 3, then drive The movement of piston 12 and resetting spring 11, when stablizing in cylinder body 2, at this moment user can start micromotor 7, in turn Driven the rotation of threaded rod 8, then by slide plate 9 drive fixed link 10 movement, such pressing plate will with piston 12 into Row movement, and then plunger 3 is discharged in the nitrogen in plunger 3, it is then shut off the second electronic valve 21, when the pressure of 3 inner cavity of plunger When the pressure that sensor detects is excessive, at this moment the first electronic valve 18 will be opened, and then extra nitrogen is run past out Tracheae 19 enters 3 inner cavity of plunger, and the outside of plunger is then discharged to by connecting tube 22, avoids the damage of nitrogen gas spring.

It should be noted that herein, relational terms such as first and second and the like are used merely to a reality Body or operation are distinguished with another entity or operation, are deposited without necessarily requiring or implying between these entities or operation In any actual relationship or order or sequence.Moreover, the terms "include", "comprise" or its any other variant are intended to Non-exclusive inclusion, so that the process, method, article or equipment including a series of elements is not only wanted including those Element, but also include other elements that are not explicitly listed, or further include for this process, method, article or equipment Intrinsic element.

While there has been shown and described that the embodiments of the present invention, for the ordinary skill in the art, It is appreciated that can these embodiments be carried out with a variety of variations in the case where not departing from the principles of the present invention and spirit, repaiied Change, replace and modification, the scope of the utility model are defined by the appended claims and the equivalents thereof.

Claims (6)

1. a kind of good nitrogen gas spring of explosion-proof effect, including aeration tank (1), it is characterised in that：The top of the aeration tank (1) is solid Surely it is connected with cylinder body (2), and the top of cylinder body (2) is through having plunger (3), the plunger (3) to extend to cylinder body (2) inner cavity Surface is arranged with baffle ring (4), and first partition (5), and plunger (3) are fixedly connected between the both sides of plunger (3) inner cavity It is fixedly connected with second partition (6) between the both sides of inner cavity and at the top of first partition (5), the second partition (6) Bottom is fixedly connected with micromotor (7), and the output shaft of micromotor (7) is fixedly connected with threaded rod (8), the screw thread Bar (8) bottom end and the top of first partition (5) are rotatablely connected by bearing, and the thread surface of the threaded rod (8) is connected with cunning Plate (9), and the both sides of slide plate (9) bottom have been fixedly connected with fixed link (10), the bottom end of the fixed link (10) is through the One partition board (5) and the bottom for extending to first partition (5), and fixed link (10) extends to one end of first partition (5) bottom It is fixedly connected with pressing plate, the both sides of first partition (5) bottom have been fixedly connected with resetting spring (11), and two resets Piston (12) is fixedly connected between the bottom end of spring (11), the surface of the piston (12) is arranged with sealing shroud (13).

2. a kind of good nitrogen gas spring of explosion-proof effect according to claim 1, it is characterised in that：The aeration tank (1) Side is provided with charge valve (14), one end of the charge valve (14) and is communicated with fixing bolt positioned at the inner cavity of aeration tank (1) (15), and one end of fixing bolt (15) is communicated with gas tube (16), and the top of the gas tube (16) sequentially passes through inflation Case (1) and cylinder body (2) and the inner cavity for extending to cylinder body (2).

3. a kind of good nitrogen gas spring of explosion-proof effect according to claim 1, it is characterised in that：The piston (12) it is interior Portion is through there is the first fixing pipe (17), and the first fixing pipe (17) is internally provided with the first electronic valve (18), the work Both sides at the top of plug (12), which are run through, escape pipe (19).

4. a kind of good nitrogen gas spring of explosion-proof effect according to claim 1, it is characterised in that：The plunger (3) extends To cylinder body (2) inner cavity one end through there is the second fixing pipe (20), and the second fixing pipe (20) is internally provided with the second electricity Sub- valve (21).

5. a kind of good nitrogen gas spring of explosion-proof effect according to claim 1, it is characterised in that：The one of the plunger (3) Side and the top for being located at cylinder body (2), which are run through, connecting tube (22).

6. a kind of good nitrogen gas spring of explosion-proof effect according to claim 1, it is characterised in that：The table of the plunger (3) Face and sealing ring (23) is arranged at the top of the baffle ring (4).