CN216115592U - High-purity gas cooler of diaphragm compressor - Google Patents

Abstract

The utility model relates to the technical field of auxiliary devices for preparing high-purity gas, in particular to a cooler for high-purity gas of a diaphragm compressor, which has a simple structure, and improves the sealing property among a sealing piece, a fixed sleeve and a gas polished tube by enabling the sealing piece to deform through an axial driving force; the polishing device comprises a water pipe and a gas polishing pipe, wherein the insides of two ends of the water pipe are coaxially connected with support rings, the gas polishing pipe coaxially penetrates through the water pipe, a sealing element is arranged on each support ring, the water pipe is communicated with a water inlet and a water outlet, and two ends of the water pipe are respectively provided with a driving mechanism; the driving mechanism comprises a driving ring connected with the sealing element, the driving ring is sleeved on the gas polishing pipe, four inclined rods are rotatably arranged on the driving ring at equal intervals, the gas polishing pipe is coaxially and fixedly connected with a fixing plate, four strip holes I are arranged on the fixing plate at equal intervals along the radial direction, a sliding block is slidably arranged at one of the strip holes, the other end of each inclined rod is rotatably connected with the sliding block, the sliding block is fixedly connected with a driving shaft, and the fixing plate is fixedly connected with a transition ring.

Description

High-purity gas cooler of diaphragm compressor

Technical Field

The utility model relates to the technical field of high-purity gas preparation auxiliary devices, in particular to a cooler for high-purity gas of a diaphragm compressor.

Background

The gas circuit end adopts movable pipe joint to connect, adopts adjusting nut and fixed cover screw-thread fit at the both ends of condenser tube and gas heat exchange tube, through rotatory adjusting nut extrusion sealing member, hugs closely gas polishing outside of tubes surface after the sealing member produces deformation, reaches sealed purpose, and after sealed no seepage, through the fixed position of lock silk with adjusting nut and fixed cover. The utility model adopts a detachable sealing structure form, and can effectively ensure the heat exchange efficiency of the heat exchanger through cleaning after long-time use; the non-welding manufacturing can avoid the occurrence of an oxide layer on the inner side of the pipeline due to the adoption of a welding mode, thereby ensuring the gas purity, avoiding the occurrence of welding stress concentration and the reduction of the pressure-bearing strength of the gas polishing pipe, and avoiding the stress damage between the gas polishing pipe and the water pipe due to the temperature difference.

The device has the following defects in use that the sealing element is pushed by the rotation of the nut, and the sealing element is twisted under the action of friction force in the process, so that gaps are generated among the sealing element, the fixed sleeve and the gas polished tube, the sealing property is poor, and the sealing element is not easy to take out.

SUMMERY OF THE UTILITY MODEL

In order to solve the technical problems, the utility model provides a cooler for high-purity gas of a diaphragm compressor, which has a simple structure, and improves the sealing performance among a sealing piece, a fixed sleeve and a gas polished tube by enabling the sealing piece to deform through an axial driving force.

The utility model relates to a cooler for high-purity gas of a diaphragm compressor, which comprises a water pipe and a gas polishing pipe, wherein the insides of two ends of the water pipe are coaxially connected with support rings;

the driving mechanism comprises a driving ring connected with a sealing element, the driving ring is sleeved on the gas polishing pipe, four inclined rods are rotatably mounted on the driving ring at equal intervals, a fixing plate is coaxially and fixedly connected to the gas polishing pipe, four strip holes I are formed in the fixing plate at equal intervals along the radial direction, a sliding block is slidably mounted at the strip holes I, the other ends of the inclined rods are rotatably connected with the sliding block, a driving shaft is fixedly connected to the sliding block, a transition ring is fixedly connected to the fixing plate, a power ring is rotatably mounted on the transition ring, four strip holes II are formed in the power ring at equal intervals, and the driving shaft penetrates through the strip holes II.

Furthermore, the driving mechanism also comprises two pushing plates fixed on the power ring.

Furthermore, the driving mechanism further comprises a bolt in threaded connection with the power ring, a slot is formed in the fixing plate, and the bolt extends into the slot.

Furthermore, the bottom of the driving ring is connected with a connecting ring, the connecting ring comprises a vertical section and a hook-shaped section, and a slot matched with the connecting ring in shape is formed in the sealing element.

Further, the transition ring is in rotating connection with the power ring through a bearing.

Further, the fixing plate is welded with the gas polishing pipe.

Further, the slider is in the shape of an i-shaped bar.

Further, the driving shaft is welded with the slider.

Compared with the prior art, the utility model has the beneficial effects that: when the sealing device is used, the sealing element is moved along the axial direction through the arranged driving mechanism, the sealing element is extruded to be deformed, and the sealing element, the water pipe, the support ring and the gas polishing pipe are kept in good sealing performance.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a top perspective view of the right front side of FIG. 1;

FIG. 3 is a top view of the present invention;

FIG. 4 is an isometric view of portion A-A of FIG. 3;

FIG. 5 is a partial enlarged view of portion A of FIG. 4;

in the drawings, the reference numbers: 1. a water pipe; 2. a gas polishing pipe; 3. a support ring; 4. a seal member; 5. a water inlet; 6. a water outlet; 7. a drive ring; 8. a diagonal bar; 9. a fixing plate; 10. a slider; 11. a drive shaft; 12. a transition ring; 13. a power ring; 14. a second elongated hole; 15. a push plate; 16. a bolt; 17. a connecting ring; 18. and a bearing.

Detailed Description

The following detailed description of embodiments of the present invention is provided in connection with the accompanying drawings and examples. The following examples are intended to illustrate the utility model but are not intended to limit the scope of the utility model.

As shown in fig. 1 to 5, the high purity gas cooler of the diaphragm compressor of the present invention comprises a water pipe 1 and a gas polishing pipe 2, wherein the insides of both ends of the water pipe 1 are coaxially connected with support rings 3, the gas polishing pipe 2 coaxially penetrates through the water pipe 1, a sealing member 4 is disposed on each support ring 3, the water pipe 1 is communicated with a water inlet 5 and a water outlet 6, and both ends of the water pipe 1 are provided with a driving mechanism;

the driving mechanism comprises a driving ring 7 connected with the sealing element 4, the driving ring 7 is sleeved on the gas polishing pipe 2, four inclined rods 8 are installed on the driving ring 7 in an equidistant rotating mode, a fixing plate 9 is coaxially and fixedly connected to the gas polishing pipe 2, four long holes I are formed in the fixing plate 9 in an equidistant mode along the radial direction, a sliding block 10 is installed at one position of each long hole in a sliding mode, the other end of each inclined rod 8 is connected with the sliding block 10 in a rotating mode, a driving shaft 11 is fixedly connected to the sliding block 10, a transition ring 12 is fixedly connected to the fixing plate 9, a power ring 13 is installed on the transition ring 12 in a rotating mode, four long holes II 14 are formed in the power ring 13 in an equidistant mode, and the driving shaft 11 penetrates through the long holes II 14;

in the embodiment, when the sealing device is used, the sealing element 4 is moved along the axial direction through the arranged driving mechanism, and the sealing element 4 is extruded to deform, so that good sealing performance is kept among the sealing element 4, the water pipe 1, the support ring 3 and the gas polishing pipe 2;

the driving mechanism is based on the principle that the power ring 13 is rotated, the slide blocks 10 are connected with the first elongated hole in a sliding mode, the driving shafts 11 fixedly connected with the slide blocks 10 penetrate through the second elongated hole 14, when the power ring 13 rotates, the slide blocks 10 and the driving shafts 11 are enabled to move along the first elongated hole, and the sealing elements 4 connected with the driving ring 7 are enabled to ascend or descend under the driving of the inclined rods 8.

As a preferable scheme of the above embodiment, the driving mechanism further comprises two pushing plates 15 fixed on the power ring 13; the two pushing plates 15 are pinched to enable the power ring 13 to rotate, so that the power ring 13 is stressed more conveniently, and the operation is more convenient.

As a preferable scheme of the above embodiment, the driving mechanism further includes a bolt 16 in threaded connection with the power ring 13, a slot is formed in the fixing plate 9, and the bolt 16 extends into the slot; after the driving ring 7 presses the sealing element 4, the bolt 16 is inserted into the slot to prevent the power ring 13 and the fixing plate 9 from rotating relatively to influence the sealing effect of the sealing element 4.

As a preferable scheme of the above embodiment, the bottom of the driving ring 7 is connected with a connecting ring 17, the connecting ring 17 comprises a vertical section and a hook-shaped section, and the sealing element 4 is internally provided with a slot matched with the connecting ring 17 in shape; when the sealing element 4 is installed, the sealing element 4 is held and the sealing element 4 is moved, so that the connecting ring 17 is inserted into the slot, the installation is easier, and the hook-shaped section is arranged to effectively prevent the sealing element 4 from being separated from the driving ring 7.

As a preferable scheme of the above embodiment, the transition ring 12 is rotatably connected with the power ring 13 through a bearing 18; the power ring 13 is rotated more smoothly.

As a preferable scheme of the above embodiment, the fixing plate 9 is welded with the gas polishing pipe 2; the reliability of the connection between the fixing plate 9 and the gas polishing tube 2 is improved.

As a preferred version of the above embodiment, the slide 10 is of the i-type; preventing the slider 10 from being separated from the elongated hole.

As a preferable solution of the above embodiment, the driving shaft 11 is welded to the slider 10; the reliability of the connection between the drive shaft 11 and the slider 10 is improved.

The high-purity gas cooler of the diaphragm compressor is characterized in that the installation mode, the connection mode or the arrangement mode of all the components are welding, riveting or other common mechanical modes, wherein the sliding/rotating fixation is that the components do not fall off under the sliding/rotating state, the sealing communication is that the two connecting pieces are communicated and simultaneously sealed, the specific structures, the models and the coefficient indexes of all the components are self-contained technologies, the beneficial effects can be realized, all the electric modules and the electric appliances are common electric appliances in the market, the electric modules and the electric appliances can be used only by being electrically connected with each other according to the purchased instructions when being bought back for use, and the control module is a common self-contained module, so the details are not repeated.

The utility model relates to a cooler for high-purity gas of a diaphragm compressor, which comprises a high-purity gas cooler, the directional terms "up, down, left, right, front, back, inside, and outside, and vertical and horizontal" included in the term merely represent the orientation of the term in the normal use state, or be a trivial term understood by those skilled in the art, and should not be considered as limiting the term, at the same time, the numerical terms "first," "second," and "third," etc. do not denote any particular quantity or order, but rather are used to distinguish one from another, furthermore, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements, but also includes other elements not expressly listed or inherent to such process, method, article, or apparatus.

The above description is only a preferred embodiment of the present invention, and it should be noted that, for those skilled in the art, several modifications and variations can be made without departing from the technical principle of the present invention, and these modifications and variations should also be regarded as the protection scope of the present invention.

Claims (8)

1. The cooler for the high-purity gas of the diaphragm compressor is characterized by comprising a water pipe (1) and a gas polishing pipe (2), wherein the insides of two ends of the water pipe (1) are coaxially connected with support rings (3), the gas polishing pipe (2) coaxially penetrates through the water pipe (1), a sealing element (4) is arranged on each support ring (3), the water pipe (1) is communicated with a water inlet (5) and a water outlet (6), and two ends of the water pipe (1) are respectively provided with a driving mechanism;

the driving mechanism comprises a driving ring (7) connected with a sealing element (4), the driving ring (7) is sleeved on a gas polishing pipe (2), four inclined rods (8) are installed on the driving ring (7) in an equidistance rotating mode, a fixing plate (9) is coaxially and fixedly connected to the gas polishing pipe (2), four strip holes I are formed in the fixing plate (9) in an equidistance mode along the radial direction, a sliding block (10) is installed at one position of each strip hole in a sliding mode, the other end of each inclined rod (8) is rotatably connected with the corresponding sliding block (10), a driving shaft (11) is fixedly connected to the corresponding sliding block (10), a transition ring (12) is fixedly connected to the fixing plate (9), a power ring (13) is installed on the transition ring (12) in a rotating mode, two strip holes (14) are formed in the power ring (13) in an equidistance mode, and the driving shaft (11) penetrates through the two strip holes (14).

2. The cooler for high purity gas of a diaphragm compressor according to claim 1, wherein the driving mechanism further comprises two push plates (15) fixed to the power ring (13).

3. The cooler for high purity gas of a diaphragm compressor according to claim 2, wherein the driving mechanism further comprises a bolt (16) threadedly coupled to the power ring (13), and the fixing plate (9) is formed with a slot into which the bolt (16) is inserted.

4. A cooler for high purity gas of a diaphragm compressor according to claim 3, wherein a connecting ring (17) is connected to the bottom of the driving ring (7), the connecting ring (17) comprises a vertical section and a hook section, and the sealing member (4) is internally provided with a slot matching with the shape of the connecting ring (17).

5. The cooler for high purity gases of a diaphragm compressor according to claim 4, characterized in that the transition ring (12) is rotationally connected to the power ring (13) by means of bearings (18).

6. The cooler for high purity gas of a diaphragm compressor according to claim 5, wherein the fixing plate (9) is welded to the gas polishing pipe (2).

7. The cooler for high purity gases of a diaphragm compressor according to claim 6, characterized in that the slide (10) is of an i-shape.

8. The cooler for high purity gas of a diaphragm compressor according to claim 7, wherein the driving shaft (11) is welded to the slider (10).

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