CN210829644U

CN210829644U - Miniature gas pressure-making device and vibration-damping supporting base thereof

Info

Publication number: CN210829644U
Application number: CN201921175152.XU
Authority: CN
Inventors: 黄智勇; 刘忻
Original assignee: Beijing Const Instruments Technology Inc
Current assignee: Beijing Const Instruments Technology Inc
Priority date: 2019-07-25
Filing date: 2019-07-25
Publication date: 2020-06-23
Anticipated expiration: 2029-07-25

Abstract

The utility model provides a miniature gas pressure equipment device and damping support base thereof, the damping support base comprises an upper support plate, a lower support plate, a plurality of elastic supporting pieces connecting the peripheries of the upper support plate and the lower support plate and a central vibration absorber arranged between the upper support plate and the lower support plate, the plurality of elastic supporting pieces are arranged at intervals in the circumferential direction of the upper support plate and the lower support plate, and the central vibration absorber is arranged in the middle part of the upper support plate to limit the upper limit position and the lower limit position of the vibration of the upper support plate; the miniature gas pressure generating device comprises a vibration reduction support base and a miniature piston type air pump arranged on the base. The utility model discloses the device supports the base with the damping and is in the same place with miniature piston air pump integration, forms the miniature gaseous pressure equipment device of making from taking the damping structure, and the device realizes the output of gas pressure under the condition of avoiding the vibration to influence external system, simple structure, and is small, light in weight.

Description

Miniature gas pressure-making device and vibration-damping supporting base thereof

Technical Field

The utility model belongs to the technical field of gas pressure detection, a device is made to gas with damping function is related to, concretely relates to miniature gas makes device and damping support base thereof.

Background

At present, in the field of gas pressure detection, piston type gas pumps are widely applied. In a piston type air pump used in an existing air pressure detection system, a motor and a cylinder body are generally arranged in series, a piston as a wear part needs to be replaced frequently, the motor and the cylinder body need to be integrally removed during replacement, and replacement is difficult; the existing air pump does not comprise a vibration reduction system, and is generally fixed with a detection system body through an additional vibration reduction pad, when the pressure output of the air pump is low pressure, the hose is generally adopted to output low-pressure air, so that the vibration of the air pump can be effectively isolated; however, if high pressure is output, high pressure gas must be output by using steel pipes to ensure safety, the steel pipes are rigidly connected, and the vibration of the pump body of the air pump is transmitted to the body of the detection system through the steel pipes, so that the vibration reduction system fails. As a pressure generating device of a pressure detection system (providing a pressure air source), the detection precision of the sensor can be influenced by large vibration; meanwhile, in order to meet the use requirements of portable equipment, the volume and the weight of the gas pressure generating device meet the miniaturization requirements as much as possible, and the existing gas pressure generating device cannot meet the requirements.

SUMMERY OF THE UTILITY MODEL

The utility model provides a miniature gas pressure generating device.

The utility model adopts the following technical scheme:

the utility model provides a miniature gas pressure equipment device, includes the base, installs miniature piston air pump, interface unit (5) on the base and communicates miniature piston air pump and gas connecting line (4) of interface unit (5), the base supports base (1) for the damping, damping supports base (1) including last backup pad (11), bottom suspension fagging (12) and connect a plurality of elastic support piece (14) of backup pad and bottom suspension fagging periphery and install central vibration absorber (13) between last backup pad and bottom suspension fagging, and a plurality of elastic support piece (14) are the interval in the circumference of last backup pad and bottom suspension fagging and arrange, and central vibration absorber (13) are arranged at the middle part of last backup pad (11) to upper limit position and the lower limit position of backup pad vibration are gone up in the injecing.

In the above-described micro gas pressure generating apparatus, the central vibration absorber (13) includes:

the limiting sleeve (131) is of a hollow sleeve structure, the cylinder wall at the opening of the upper end of the limiting sleeve extends inwards to form a contracted opening, the bottom of the limiting sleeve extends outwards to form an outer step, and the bottom of the outer step is tightly attached and fixed with the lower supporting plate (12);

the limiting column (132) is of an inverted T-shaped structure and comprises a horizontal plate and a vertical column, the upper part of the vertical column is fixed on the upper supporting plate (11), the lower part of the vertical column extends into the limiting sleeve (131), and the diameter of the horizontal plate is larger than that of the upper closing-in of the limiting sleeve (131); and

and the elastic damping element (133) is sleeved on the vertical column of the limiting column (132) and limited between the upper supporting plate (11) and the horizontal plate of the limiting column (132).

In the miniature gas pressure generating device, the elastic damping element (133) is a hollow rubber column, the rubber column is sleeved on a vertical column of the limit column (132), and the upper closing-up circumferential edge of the limit sleeve (131) is nested with a plum blossom groove formed in the middle of the rubber column.

In the miniature gas pressure generating device, the upper part of the vertical column of the limit column (132) is in threaded connection with the upper supporting plate (11), the upper part of the vertical column is also provided with a round limit step, and the limit step is matched with an inner hole of the elastic damping element (133).

In the miniature gas pressure generating device, the elastic supporting piece (14) is of a double-spiral reverse spring structure and comprises double spiral springs (141) which are reversely arranged, the lower parts of the double spiral springs (141) are connected, the connected parts form arc-shaped grooves (143), the upper parts of the double spiral springs are separated to form interfaces (142), and bent parts (144) are arranged at the end parts of the interfaces.

In the above miniature gas pressure generating device, the miniature piston type air pump comprises:

a cylinder-piston unit (3) comprising a cylinder (31) and a piston assembly (32) located within the cylinder; and

the transmission driving unit (2) comprises a motor (21), a synchronous belt speed reducing mechanism (22) and a crank block mechanism, wherein the synchronous belt speed reducing mechanism (22) is matched with the crank block mechanism to convert the rotary motion output by the motor (21) into the linear motion for driving the piston assembly (32) to reciprocate in the cylinder body (31);

the motor (21) and the cylinder body (31) are arranged on an upper supporting plate (11) of the vibration reduction supporting base (1), and the motor (21) is positioned on one side of the cylinder body (31) to form a stable triangular structure.

In the miniature gas pressure generating device, the cylinder piston unit (3) further comprises a high-pressure check valve group (33) and a low-pressure check valve group (34) which are respectively arranged at two ends of the cylinder body (31) and exposed, a check valve in the low-pressure check valve group (34) is communicated with a first-stage cylinder body (311) arranged on the cylinder body (31), and a check valve in the high-pressure check valve group (33) is communicated with a second-stage cylinder body (312) arranged on the cylinder body (31).

In the miniature gas pressure generating device, the interface unit (5) is arranged on the lower support plate (12) of the vibration reduction support base (1), and a gas connecting pipeline (4) for connecting a high-pressure gas outlet of the miniature piston type air pump and a gas output interface (52) in the interface unit (5) is a high-pressure elastic pipeline (42) which is made of a thin stainless steel pipe bent into a spiral spring shape.

In the miniature gas pressure generating device, the top of the motor (21) is provided with a connecting circuit board (24), an electric connecting wire (25) is led out from the connecting circuit board, one end of the electric connecting wire (25) is clamped into a groove of the connecting circuit board (24) for fixation, the other end of the electric connecting wire is connected to a control circuit board, and the control end and the driving interface of the motor (21) are connected to the control circuit board through the connecting circuit board (24) and the electric connecting wire (25).

The invention also provides a vibration damping support base integrated in any one of the micro gas pressure generating devices, which comprises an upper support plate (11), a lower support plate (12), a plurality of elastic supports (14) connecting the peripheries of the upper support plate and the lower support plate, and a central vibration absorber (13) arranged between the upper support plate and the lower support plate, wherein the elastic supports (14) are arranged at intervals in the circumferential direction of the upper support plate and the lower support plate, and the central vibration absorber (13) is arranged in the middle of the upper support plate (11) to limit the upper limit position and the lower limit position of the vibration of the upper support plate.

The utility model discloses owing to take above design, have following characteristics: the device integrates the vibration reduction support base and the micro piston type air pump together to form a micro gas pressure generating device with a vibration reduction structure, realizes the output of gas pressure under the condition of avoiding the influence of vibration on an external system, and has simple structure, small volume and light weight; the cylinder body piston unit and the transmission driving unit of the piston type air pump are arranged in parallel to form a triangular stable structure, and compared with a traditional linear structure, the piston type air pump has balanced vibration and stable work; the low-pressure one-way valves and the high-pressure one-way valves are respectively combined into a whole, and the two ends of the cylinder body are respectively installed and exposed, so that the maintenance and the replacement of the piston assembly are facilitated; the elastic supporting parts arranged on the periphery of the vibration reduction supporting base are matched with the central vibration absorber arranged in the middle of the vibration reduction supporting base, so that the limit of the upper limit position and the lower limit position of the vibration of the upper supporting plate is realized, the vibration in each vertical direction and each horizontal direction is absorbed, and the influence of the vibration of the cylinder body on the external structure is reduced; adopt the reverse spring structure's of double helix elastic support piece, guaranteed the equilibrium of atress, this spring structure horizontal direction shows for coil spring, bears compression deformation, and the vertical direction shows for torsional spring atress mode, and the accessible adjusts the spring line footpath and the number of turns and adjusts the elastic coefficient of this spring equidirectional to adapt to different vibration sources, the position distribution of a plurality of springs of cooperation adjustment can realize the not equidirectional vibration isolation performance's of this elastic support piece matching.

Drawings

FIG. 1 is a schematic view of a three-dimensional structure of the micro gas pressure generating device of the present invention;

FIG. 2 is a schematic view of the three-dimensional structure of the miniature gas pressure-generating device of the present invention;

FIG. 3 is a schematic diagram of a structure of one embodiment of a cylinder-piston unit;

FIG. 4 is a partial structural cutaway view of the vibration damping support base;

FIG. 5 is a schematic structural view of one embodiment of a resilient support;

FIG. 6 is a schematic structural view of one embodiment of an elastic damping element.

The main labels are as follows:

01-a miniature gas pressure-making device;

1-vibration reduction supporting base, 11-upper supporting plate, 12-lower supporting plate, 13-central vibration absorber, 131-limiting sleeve, 132-limiting column and 133-elastic damping element; 14-elastic supporting piece, 141-double-spiral spring, 142-interface, 143-arc groove and 144-bending part;

2-transmission driving unit, 21-motor, 22-synchronous belt speed reducing mechanism, 221-driving wheel, 222-driven wheel and 223-synchronous belt; 23-eccentric shaft, 24-connecting circuit board and 25-electric connecting wire;

3-cylinder piston unit, 31-cylinder, 311-primary cylinder, 312-secondary cylinder, 313-cylinder seat; 32-piston assembly, 321-primary piston, 322-secondary piston, 323-piston rod; 33-high pressure one-way valve combination, 34-low pressure one-way valve combination, 35-connecting pin shaft, 36-connecting rod and 37-transition pipeline;

4-connecting pipeline, 41-low pressure elastic pipeline, 42-high pressure elastic pipeline;

5-interface unit, 51-gas input interface, 52-gas output interface.

Detailed Description

The following detailed description of the miniature gas pressure generating device and the vibration damping support base thereof according to the present invention will be made with reference to the accompanying drawings.

Fig. 1 and fig. 2 show the structure of the micro gas pressure generating device of the present invention. As shown in fig. 1 and 2, the utility model discloses miniature gaseous pressure equipment device 01 includes that the damping supports base 1, install the miniature piston air pump on damping supports base 1, interface unit 5 and the gaseous connecting line 4 of intercommunication miniature piston air pump and interface unit 5, the device supports base 1 with the miniature piston air pump integration with the damping, form the miniature gaseous pressure equipment device who takes damping structure certainly, the device realizes the output of gas pressure under the condition of avoiding the vibration to influence external system, wherein:

the miniature piston type air pump comprises a cylinder piston unit 3 and a transmission driving unit 2, the cylinder piston unit 3 comprises a cylinder 31 and a piston assembly 32 positioned in the cylinder, the transmission driving unit 2 is used for driving the piston assembly 32 to reciprocate in the cylinder 31 to generate high-pressure air, and comprises a motor 21, a synchronous belt speed reducing mechanism 22 and an eccentric shaft 23, in one embodiment (see fig. 1 to 3), the synchronous belt speed reducing mechanism 22 comprises a driving wheel 221, a driven wheel 222 and a synchronous belt 223 connecting the driving wheel and the driven wheel, an output shaft of the motor 21 is fixed on the driving wheel 221, and the surfaces of the driving wheel 221 and the driven wheel 222 are preferably provided with a tooth-shaped structure to increase the transmission force with the synchronous belt 223. The eccentric shaft 23 is fixed to the driven pulley 222 and rotates together with the driven pulley. The upper part of the eccentric shaft 23 is connected with a connecting pin shaft 35 fixed on a piston rod 323 through a connecting rod 36 to form a crank-slider mechanism. The rotation of the eccentric shaft 23 causes the connecting rod 36 to swing and thus to be converted into the reciprocating linear motion of the piston rod 323.

In one embodiment, a connection circuit board 24 is disposed on the top of the motor 21, an electrical connection line 25 is led out from the connection circuit board 24, one end of the electrical connection line 25 is clamped into a groove of the connection circuit board 24 for fixing, and the other end is connected to a control circuit board, and the control end and the driving interface of the motor 21 are connected to the control circuit board through the connection circuit board 24 and the electrical connection line 25 for controlling the operation of the motor 21, thereby controlling the operation of the micro piston air pump. The structure of the electric connecting wire 25 led out from the connecting circuit board 24 avoids the repeated bending of the electric connecting wire 25 at the connecting point of the electric connecting wire 25 and the motor 21 in the use process, and improves the reliability of the system. The motor 21 may be a direct current motor or a motor, and this embodiment is not limited.

In one embodiment, referring to fig. 3, the cylinder 31 includes a primary cylinder 311, a secondary cylinder 312, and a cylinder block 313 for supporting and connecting the primary cylinder and the secondary cylinder, the piston assembly 32 includes a primary piston 321, a secondary piston 322, and a piston rod 323 connecting the primary piston and the secondary piston, the primary piston 321 is located in the primary cylinder 311, the secondary piston 322 is located in the secondary cylinder 312, and the connecting pin 35 is fixed to the piston rod 323 and inserted into the connecting rod 36.

Further, the cylinder-piston unit 3 further includes a high-pressure check valve group 33 and a low-pressure check valve group 34 respectively disposed at two ends of the cylinder 31. In one embodiment, the high pressure check valve set 33 is disposed at the end of the secondary cylinder 312, the secondary cylinder 312 is provided with a high pressure air inlet and a high pressure air outlet communicated with the interior of the secondary cylinder, the low pressure check valve set 34 is disposed at the end of the primary cylinder 311, the primary cylinder 311 is provided with a low pressure air inlet and a low pressure air outlet communicated with the interior of the primary cylinder; the connecting pipeline 4 comprises a low-pressure elastic pipeline 41 and a high-pressure elastic pipeline 42, the interface unit 5 comprises a gas input interface 51 and a gas output interface 52, a high-pressure gas outlet of the secondary cylinder 312 is communicated with the gas output interface 52 through the high-pressure elastic pipeline 42, and a check valve in the high-pressure check valve group 33 is connected in series on the high-pressure elastic pipeline 42 (for example, the high-pressure elastic pipeline 42 is a thin stainless steel pipe bent into a spiral spring shape, and the spring-shaped structure ensures that the high-pressure elastic pipeline has sufficient elasticity to isolate the vibration generated by the micro piston type air pump); a low-pressure air inlet of the primary cylinder 311 is communicated with the gas input interface 51 through a low-pressure elastic pipeline 41, and a check valve in the low-pressure check valve group 34 is connected in series with the low-pressure elastic pipeline 41 (for example, the low-pressure elastic pipeline 41 is a rubber hose); the low-pressure air outlet of the primary cylinder 311 is communicated with the high-pressure air inlet of the secondary cylinder 212 through a transition pipeline 37 arranged on a cylinder seat 313, and a check valve in the low-pressure check valve group 34 and a check valve in the high-pressure check valve group 33 are respectively connected in series on the transition pipeline 37 to control the air flow direction.

Compare in the mounting means of traditional disconnect-type height, low pressure check valve, the utility model discloses make up a plurality of low pressure check valves and a plurality of high pressure check valve respectively into a whole, low pressure check valve group 34 and high pressure check valve group 33 promptly, when needing to be changed piston assembly 31, only need pull down the valves that correspond the end and can expose piston assembly, and need not the dismantlement check valve and corresponding fixed knot structure of one, the piston assembly's of being convenient for maintenance and change.

Referring to fig. 1 and 4, damping support base 1 is used for supporting the fixed above-mentioned miniature piston air pump, as the utility model discloses the connection installation mechanism of device installs with other systems, is used as the damping simultaneously, shakes and stop block, reduces the device in the course of the work and produces the influence of vibration to other systems. In this embodiment, the vibration damping support base 1 includes an upper support plate 11, a lower support plate 12, elastic supports 14 connecting the peripheries of the upper support plate and the lower support plate, and a central vibration absorber 13 installed between the upper support plate and the lower support plate, wherein the plurality of elastic supports 14 are arranged at intervals according to a specific angle, so as to realize rigidity matching in different vibration directions, for example, three elastic supports 14 are arranged in a triangle to form a stable triangle structure; the central vibration absorber 13 is disposed at the center of the torsional vibration of the upper support plate 11, and absorbs the vibration caused by the vertical and horizontal linear motions.

One embodiment of the central vibration absorber 13 is shown in fig. 4, and includes a limiting sleeve 131, a limiting column 132 and an elastic damping element 133, where the limiting sleeve 131 is a hollow sleeve structure, the tube wall at the opening of the upper end of the limiting sleeve extends inward to form a retracted closed opening, the top of the closed opening forms an upper step, the lower part of the closed opening forms a lower step, the bottom of the closed opening extends outward to form an outer step, the bottom of the outer step is tightly fixed to the lower support plate 12 (for example, by screws), preferably, the lower part of the limiting sleeve 131 is embedded into a groove provided in the lower support plate 12, and the middle of the groove is provided with a through; spacing post 132 is the T shape structure of invering, including horizontal plate and vertical post, the cover is equipped with elastic damping element 133 on the vertical post, vertical post upper portion is provided with the screw thread, with last backup pad 11 threaded connection, the lower part of vertical post stretches into in the stop collar 131 and the diameter of horizontal plate is greater than the diameter that stop collar 131 upper portion closed up, make elastic damping element 133 inject between the horizontal plate of last backup pad 11 and spacing post 132, the last step and the lower step of department of closing up on stop collar 131 upper portion have injectd the lower limit position and the upper limit position of last backup pad 11 respectively. Preferably, the elastic damping element 133 is a hollow cylindrical structure, preferably a rubber column, the rubber column is sleeved on the vertical column of the limiting column 132, and the upper closing-up circumferential edge of the limiting sleeve 131 is nested with a quincuncial groove formed in the middle of the rubber column (see fig. 6), so as to increase the flexibility and stability of the rubber column. Preferably, the upper portion of the vertical column of the spacing column 132 is further provided with a circular spacing step, and the spacing step is matched with the inner hole of the elastic damping element 133 to limit the thread stroke of the spacing column 132 and prevent the elastic damping element 133 from extruding out of the spacing sleeve to close up when in overload.

Referring to fig. 5, the elastic supporting member 14 is a double-spiral reverse spring structure, which mainly plays a role of supporting and vibration isolating, in the structure, the lower parts of the double-spiral springs 141 are connected, and the upper parts are separated to form an interface 142, and the symmetrical structure ensures balanced stress. The spring structure is characterized in that the spring structure is a spiral spring in the horizontal direction and bears compression deformation, and the spring structure is a torsion spring stress mode in the vertical direction. The elastic coefficient of the spring in different directions can be adjusted by adjusting the wire diameter and the number of turns of the spring to adapt to different vibration sources, and the matching of the vibration isolation performance of the elastic support 14 in different directions can be realized by adjusting the position distribution of a plurality of springs in a matching manner. In one embodiment, the upper part of the double-spiral spring is separated to form an interface 142, and the end part of the interface is provided with a bending part 144, so that the double-spiral spring is prevented from being installed reversely while being fixed; the lower connecting portion forms a circular arc-shaped groove 143 for positioning, for example, when the spring is installed, the bent portion 144 at the upper interface of the double coil spring is inserted into the corresponding hole of the upper support plate 11, and the screw passes through a pressing plate, the interface 142 portion or the circular arc-shaped groove 143 portion to fix the elastic support 14 on the circumference of the upper support plate 11 and the lower support plate 12.

In one embodiment, the cylinder piston unit 3 and the transmission driving unit 2 are both mounted on the upper support plate 11 of the vibration damping support base 1, the output shaft of the motor 21 of the transmission driving unit 2 passes through the upper support plate 11 to be connected to the driving wheel 221 located between the upper support plate 11 and the lower support plate 12, and a through hole is formed in the position of the lower support plate 12 corresponding to the position below the driving wheel 221; the cylinder block 313 of the cylinder piston unit 3 is fixed to the upper support plate 11, and the driven pulley 222 is mounted on the upper support plate 11 to be fixed to the eccentric shaft 23 while rotating. The eccentric shaft 23 is connected to a connecting pin 35 fixed to a piston rod 333 via a connecting rod 36. The position of the lower support plate 12 corresponding to the driven wheel 222 is also provided with a through hole; set up the purpose of through-hole on the bottom suspension fagging 12, can prevent the utility model discloses action wheel 221, from driving wheel 222 and bottom suspension fagging 12 production during device operational vibration interfere, can alleviate the weight of whole device again, realize the lightweight of device.

The motor 21 is located on one side of the cylinder body 31 and the cylinder body base 313 to form a triangular structure, the triangular structure vibrates stably and works stably compared with a traditional linear structure, in addition, the high-pressure check valve group 33 and the low-pressure check valve group 34 at the two ends of the cylinder body 31 are exposed, when the piston assembly 32 needs to be maintained or replaced, only the valve group at the corresponding end needs to be dismounted, the corresponding piston can be exposed, and the piston assembly is convenient to maintain or replace.

In one embodiment, referring to fig. 1, the interface unit 5 is fixed to the lower support plate 12 of the vibration damping support base 1. The gas pressure of second grade cylinder body 312 output is high (can compress the air to 7.5MPa from atmospheric pressure in the short time), and the pipeline that needs to connect high-pressure gas outlet and gas output interface 52 can bear higher pressure, and the tradition adopts the steel pipe as high-pressure pipeline, the utility model discloses in the structure, the high-pressure gas outlet of second grade cylinder body 312 that will install on upper support plate 11 is connected to the gas output interface that is located on lower support plate 12 through rigid connection (steel pipe), must restrict the damping effect that the damping supported base 1, consequently, the utility model discloses a high-pressure elasticity pipeline 42 intercommunication high-pressure gas outlet and gas output interface 52 can bear high-pressure gas's pressure, can prevent again to exert an influence to the damping effect that damping supported base 1.

In one embodiment, the gas input interface and the gas output interface in the interface unit 5 both adopt plug-in interfaces, and the gas input interface is externally connected with a gas source and can be air or a gas tank filled with low-pressure gas; the gas output interface can be connected with a gas distribution module.

When the miniature gas pressure generating device works, the motor 21 drives the eccentric shaft 23 to rotate through the synchronous belt speed reducing mechanism 22, so that the rotary motion is converted into the horizontal reciprocating motion of the piston assembly 32, and the gas pressurization is realized; the utility model discloses the device during operation produces vibration, through arranging the central vibration absorber 13 of arranging its middle part in the peripheral elastic support piece 14 cooperation of damping support base 1, realizes being fixed with the vibration upper limit position and the spacing of lower limit position of the last backup pad 11 of cylinder body piston unit 3 and transmission drive unit 2, absorbs the vibration on vertical and the horizontal all directions, reduces the influence of cylinder body vibration to exterior structure.

Obviously, the inventive concept is not limited to the above embodiments, which are provided only for the convenience of understanding the inventive concept, and the modifications or component replacements of the inventive structure through non-creative work are still within the inventive concept.

The utility model adopts the above technical scheme, have following characteristics:

(1) the device integrates the vibration reduction support base 1 and the micro piston type air pump together to form a micro gas pressure generating device with a vibration reduction structure, realizes the output of gas pressure under the condition of avoiding the influence of vibration on an external system, and has simple structure, small volume and light weight;

(2) the cylinder piston unit 3 and the transmission driving unit 2 are arranged in parallel to form a triangular stable structure, and compared with a traditional linear structure, the triangular stable structure has balanced vibration and stable work; in addition, the utility model combines a plurality of low-pressure check valves and a plurality of high-pressure check valves into a whole respectively, namely a low-pressure check valve group 34 and a high-pressure check valve group 33, the high-pressure check valve group 33 and the low-pressure check valve group 34 at the two ends of the cylinder body 31 are exposed, which is convenient for the maintenance and replacement of the piston assembly 32;

(3) the elastic supporting parts 14 arranged on the periphery of the vibration reduction supporting base 1 are matched with the central vibration absorber 13 arranged in the middle of the vibration reduction supporting base to limit the upper limit position and the lower limit position of the vibration of the upper supporting plate 11 fixed with the cylinder piston unit 3 and the transmission driving unit 2, so that the vibration in each direction of the vertical direction and the horizontal direction is absorbed, and the influence of the cylinder vibration on the external structure is reduced;

(4) the balance of stress is ensured by the elastic support member 14 adopting a double-spiral reverse spring structure, the spring structure is represented as a spiral spring in the horizontal direction and bears compression deformation, and the spring structure is represented as a torsion spring stress mode in the vertical direction. The elastic coefficients of the springs in different directions can be adjusted by adjusting the wire diameters and the number of turns of the springs so as to adapt to different vibration sources, and the matching of the vibration isolation performance of the elastic support 14 in different directions can be realized by adjusting the position distribution of the springs;

(5) the central vibration absorber 13 realizes the limit of the upper limit position and the lower limit position of the upper support plate 11 of the vibration reduction support base 1 through the matching of the limit sleeve 131 and the limit column 132 sleeved with the elastic damping element 133, and has simple structure and convenient installation.

It will be understood by those skilled in the art that these examples or embodiments are for illustrative purposes only and are not intended to limit the scope of the present invention, and that various equivalent modifications and changes may be made without departing from the scope of the present invention.

Claims

1. The utility model provides a miniature gas pressure equipment device, includes the base, installs miniature piston air pump, interface unit (5) on the base and communicates miniature piston air pump and interface unit (5) gas connecting line (4), its characterized in that, the base is damping support base (1), damping support base (1) is including last backup pad (11), bottom suspension fagging (12) and connect a plurality of elastic support spare (14) of backup pad and bottom suspension fagging periphery and install central bump leveller (13) between last backup pad and bottom suspension fagging, and a plurality of elastic support spare (14) are the interval in last backup pad and bottom suspension fagging circumference and arrange, and central bump leveller (13) are arranged in the middle part of last backup pad (11) to upper limit position and lower limit position of backup pad vibration are gone up in the injectment.

2. The micro gas pressure generating apparatus according to claim 1, wherein the central vibration absorber (13) comprises:

3. The miniature gas pressure generating device according to claim 2, wherein the elastic damping element (133) is a hollow rubber column, the rubber column is sleeved on a vertical column of the limiting column (132), and the upper closing-up circumferential edge of the limiting sleeve (131) is nested with a quincuncial groove formed in the middle of the rubber column.

4. The micro gas pressure generating device according to claim 2, wherein the upper portion of the vertical column of the limiting column (132) is connected with the upper support plate (11) by screw thread, and the upper portion of the vertical column is further provided with a circular limiting step which is matched with the inner hole of the elastic damping element (133).

5. The micro gas pressure generating device according to claim 1, wherein the elastic support member (14) is a double-spiral reverse spring structure, and comprises a double-spiral spring (141) which is reversely arranged, the lower parts of the double-spiral spring (141) are connected, the connected parts form a circular arc-shaped groove (143), the upper parts are separated to form an interface (142), and the end part of the interface is provided with a bending part (144).

6. The micro gas pressure generating apparatus according to any one of claims 1 to 5, wherein the micro piston type air pump comprises:

7. The micro gas pressure device as claimed in claim 6, wherein the cylinder piston unit (3) further comprises a high pressure check valve set (33) and a low pressure check valve set (34) respectively disposed at two ends of the cylinder (31) and exposed, the check valve in the low pressure check valve set (34) is communicated with the primary cylinder (311) disposed in the cylinder (31), and the check valve in the high pressure check valve set (33) is communicated with the secondary cylinder (312) disposed in the cylinder (31).

8. The miniature gas pressure generating device according to any one of claims 1 to 5, wherein the interface unit (5) is disposed on the lower support plate (12) of the vibration-damping support base (1), and the gas connecting pipeline (4) connecting the high-pressure gas outlet of the miniature piston-type gas pump and the gas output interface (52) in the interface unit (5) is a high-pressure elastic pipeline (42) made of a thin stainless steel pipe bent into a coil spring shape.

9. The micro gas pressure generating device according to claim 6, wherein a connecting circuit board (24) is disposed on the top of the motor (21), an electrical connection line (25) is led out from the connecting circuit board, one end of the electrical connection line (25) is clamped into a groove of the connecting circuit board (24) for fixing, the other end is connected to a control circuit board, and the control end and the driving interface of the motor (21) are connected to the control circuit board through the connecting circuit board (24) and the electrical connection line (25).

10. A vibration-damping support base for integration in a micro gas pressure generating device according to any one of claims 1 to 9, comprising an upper support plate (11), a lower support plate (12), and a plurality of elastic supports (14) connecting the peripheries of the upper and lower support plates and a central vibration absorber (13) installed between the upper and lower support plates, the plurality of elastic supports (14) being arranged at intervals in the circumferential direction of the upper and lower support plates, the central vibration absorber (13) being arranged in the middle of the upper support plate (11) to define upper and lower limit positions of vibration of the upper support plate.