CN218479904U - Diaphragm compressor cylinder structure with axial prestress - Google Patents
Diaphragm compressor cylinder structure with axial prestress Download PDFInfo
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- CN218479904U CN218479904U CN202222775220.4U CN202222775220U CN218479904U CN 218479904 U CN218479904 U CN 218479904U CN 202222775220 U CN202222775220 U CN 202222775220U CN 218479904 U CN218479904 U CN 218479904U
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Abstract
The utility model relates to a diaphragm compressor cylinder structure with axial prestress, which comprises a cylinder body, a cylinder jacket, a cylinder cover pressing plate, a jackscrew, a radial bolt, a pressing plate and a stud, wherein the cylinder jacket is tightly connected with the pressing plate by the stud, the axial prestress of the cylinder is increased, the condition that the cylinder is in clearance generation and sealing failure is caused by excessive axial deformation of the cylinder cover is avoided, and the operation of the compressor is stabilized; this compact structure avoids appearing needing to increase the external diameter of cylinder body cylinder cap and arranges thick fastening bolt and leads to its effective diaphragm chamber diameter and the condition that fastening bolt's operating diameter ratio increases.
Description
Technical Field
The utility model relates to a diaphragm compressor technical field, concretely relates to take diaphragm compressor cylinder structure of axial prestressing force.
Background
The working pressure of the diaphragm compressor cylinder is higher, the diaphragm chamber volume is larger, the fastening bolts on the periphery are thicker, the existing ultrahigh-pressure large-flow diaphragm compressor needs to increase the outer diameter of a cylinder body cylinder cover to arrange the thick fastening bolts in order to meet the working pressure of the diaphragm compressor, and the working diameter ratio of the diaphragm chamber diameter and the fastening bolts is increased effectively.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, the utility model provides a take diaphragm compressor cylinder structure of axial prestressing force.
The technical scheme of the utility model is that: the utility model provides a take diaphragm compressor cylinder structure of axial prestressing force, includes cylinder body, jar overcoat and cylinder cap clamp plate, the jar overcoat cover is established on the cylinder body, the upper end of cylinder body is connected with the cylinder cap, the cylinder cap clamp plate is established the upper end of cylinder cap, the jackscrew is worn to be equipped with along the axial to the cylinder cap clamp plate, the jackscrew with the cylinder cap butt, its characterized in that: the device also comprises a pressing plate and a double-end stud; the pressing plate is arranged at the upper end part of the cylinder cover pressing plate; the pressing plate is provided with a first through hole; a threaded hole is formed in the position, corresponding to the first through hole, of the cylinder outer sleeve; one end of the double-end stud is connected with the threaded hole, and the other end of the double-end stud penetrates through the first through hole to be connected with a nut.
Furthermore, a plurality of first through holes, a plurality of threaded holes and a plurality of stud bolts are arranged, and the first through holes, the threaded holes and the stud bolts are arranged in a circumferential array; the first plurality of through holes, the threaded holes and the studs are interfitted.
Furthermore, a second through hole is formed in the pressing plate, and the jackscrew penetrates through the second through hole.
Furthermore, a plurality of radial bolts are installed to the jar overcoat lieing in stud vertically direction, radial bolt with the cylinder cap butt.
Compared with the prior art, the utility model has the advantages of:
the cylinder jacket is tightly connected with the pressing plate by the stud, so that the axial prestress of the cylinder is increased, the condition that the cylinder cover excessively deforms along the axial direction to generate a gap to cause sealing failure of the cylinder is avoided, and the operation of the compressor is stabilized; this compact structure avoids appearing needing to increase the external diameter of cylinder body cylinder cap and arranges thick fastening bolt and leads to its effective diaphragm chamber diameter and the condition that fastening bolt's operating diameter ratio increases.
Drawings
FIG. 1 is a schematic view of the overall structure of the present invention;
wherein: 1. a cylinder body; 2. a cylinder jacket; 3. pressing a plate; 4. a stud; 5. a nut; 6. a radial bolt; 7. a cylinder cover pressing plate; 8. and (5) jacking the screw.
Detailed Description
To further illustrate the technical means and effects of the present invention adopted to achieve the objects of the present invention, the following detailed description of the embodiments, structures, features and effects according to the present invention will be made with reference to the accompanying drawings and preferred embodiments.
As shown in fig. 1, a diaphragm compressor cylinder structure with axial prestress comprises a cylinder body 1, a cylinder jacket 2, a cylinder cover pressing plate 7, a jackscrew 8, a pressing plate 3 and a stud 4, wherein the cylinder jacket 2 is sleeved on the cylinder body 1, the upper end part of the cylinder body is connected with a cylinder cover, the cylinder cover pressing plate 7 is arranged at the upper end part of the cylinder cover, the jackscrew 8 penetrates through the cylinder cover pressing plate 7 along the axial direction, and the jackscrew 8 is abutted to the cylinder cover; the pressing plate 3 is arranged at the upper end part of the cylinder cover pressing plate 7; the pressing plate 3 is provided with a first through hole; a threaded hole is formed in the position, corresponding to the first through hole, of the cylinder outer sleeve 2; one end of the stud bolt 4 is connected with the threaded hole, and the other end of the stud bolt passes through the first through hole and is connected with a nut 5; the number of the first through holes, the number of the threaded holes and the number of the double-end studs 4 are all multiple, the first through holes, the threaded holes and the double-end studs 4 are all arranged in a circumferential array, and the multiple first through holes, the multiple threaded holes and the multiple double-end studs 4 are mutually matched; a second through hole is formed in the pressing plate 3, and the jackscrew 8 penetrates through the second through hole; sleeving a pressing plate 3 on a cylinder body 1, and screwing a double-end stud 4 into a cylinder jacket 2 after penetrating through the pressing plate 3 so as to fix the pressing plate 3 on the cylinder body 1; the method for tightly connecting the cylinder jacket 2 with the pressure plate 3 by using the stud 4 increases the axial prestress of the cylinder, adjusts the number of the studs according to actual needs, avoids the condition that the cylinder cover excessively deforms along the axial direction to cause the gap of the cylinder to cause sealing failure, and stabilizes the operation of the compressor; this compact structure avoids appearing needing to increase the external diameter of cylinder body cylinder cap and arranges thick fastening bolt and leads to its effective diaphragm chamber diameter and the condition that fastening bolt's operating diameter ratio increases.
A plurality of radial bolts 6 are arranged on the cylinder jacket 2 in the direction vertical to the stud 4, and the radial bolts 6 are abutted with the cylinder cover; the radial pretightening force of the cylinder cover is increased through the radial bolt 6, and the cylinder cover cylinder body diaphragm forms a pre-sealing force on a sealing surface through the pretightening force, so that the cylinder diaphragm of the diaphragm compressor is in a sealing state.
The utility model discloses the working method describes:
sleeving a pressing plate 3 on a cylinder body 1, and screwing a double-end stud 4 into a cylinder jacket 2 after penetrating through the pressing plate 3 so as to fix the pressing plate 3 on the cylinder body 1; the method of tightly connecting the cylinder jacket 2 with the pressure plate 3 by the double-end stud 4 increases the axial prestress of the cylinder, avoids the condition that the cylinder cover excessively deforms along the axial direction to cause the gap of the cylinder to cause sealing failure, and stabilizes the operation of the compressor; this compact structure avoids appearing needing to increase the external diameter of cylinder body cylinder cap and arranges thick fastening bolt and leads to its effective diaphragm chamber diameter and the condition that fastening bolt's operating diameter ratio increases.
It will be understood that when an element is referred to as being "secured to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "upper", "lower", "left", "right", "front", "rear", and the like as used herein are for illustrative purposes only.
The above description is only a preferred embodiment of the present invention, and is not intended to limit the present invention in any way, and although the present invention has been disclosed in the above preferred embodiments, but not to limit the present invention, any person skilled in the art can make modifications or changes to equivalent embodiments using the above disclosed technical content without departing from the technical scope of the present invention, and any brief introduction modifications, equivalent changes and modifications made to the above embodiments according to the technical spirit of the present invention all still belong to the technical scope of the present invention.
Claims (4)
1. The utility model provides a take diaphragm compressor cylinder structure of axial prestressing force, includes cylinder body (1), jar overcoat (2) and cylinder cap clamp plate (7), jar overcoat (2) cover is established on cylinder body (1), the upper end of cylinder body (1) is connected with the cylinder cap, establish cylinder cap clamp plate (7) the upper end of cylinder cap, jackscrew (8) are worn to be equipped with along the axial in cylinder cap clamp plate (7), jackscrew (8) with the cylinder cap butt, its characterized in that: the device also comprises a pressing plate (3) and a double-end stud (4); the pressing plate (3) is arranged at the upper end part of the cylinder cover pressing plate (7); a first through hole is formed in the pressing plate (3); a threaded hole is formed in the position, corresponding to the first through hole, of the cylinder outer sleeve (2); one end of the stud (4) is connected with the threaded hole, and the other end of the stud penetrates through the first through hole and is connected with a nut (5).
2. The diaphragm compressor cylinder structure with axial prestress of claim 1 wherein: the number of the first through holes, the number of the threaded holes and the number of the stud bolts (4) are all multiple, and the first through holes, the threaded holes and the stud bolts (4) are all arranged in a circumferential array; the first plurality of through holes, the threaded holes and the studs (4) are mutually matched.
3. The diaphragm compressor cylinder structure with axial prestress of claim 1 wherein: and a second through hole is formed in the pressing plate (3), and the jackscrew (8) penetrates through the second through hole.
4. The diaphragm compressor cylinder structure with axial prestress of claim 1, wherein: the cylinder jacket (2) is provided with a plurality of radial bolts (6) in the vertical direction of the stud (4), and the radial bolts (6) are abutted to the cylinder cover.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222775220.4U CN218479904U (en) | 2022-10-17 | 2022-10-17 | Diaphragm compressor cylinder structure with axial prestress |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202222775220.4U CN218479904U (en) | 2022-10-17 | 2022-10-17 | Diaphragm compressor cylinder structure with axial prestress |
Publications (1)
Publication Number | Publication Date |
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CN218479904U true CN218479904U (en) | 2023-02-14 |
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202222775220.4U Active CN218479904U (en) | 2022-10-17 | 2022-10-17 | Diaphragm compressor cylinder structure with axial prestress |
Country Status (1)
Country | Link |
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CN (1) | CN218479904U (en) |
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2022
- 2022-10-17 CN CN202222775220.4U patent/CN218479904U/en active Active
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