CN214535025U - High pressure discharge connection structure - Google Patents
High pressure discharge connection structure Download PDFInfo
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- CN214535025U CN214535025U CN202120302178.7U CN202120302178U CN214535025U CN 214535025 U CN214535025 U CN 214535025U CN 202120302178 U CN202120302178 U CN 202120302178U CN 214535025 U CN214535025 U CN 214535025U
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Abstract
The utility model relates to a high pressure discharge connection structure, belong to plunger pump connection structure's technical field, it includes discharge flange and connecting piece, discharge flange is including sealed boss, ring flange and connecting axle, sealed boss, ring flange and connecting axle coaxial line integrated into one piece, and sealed boss and connecting axle are located the both sides of ring flange respectively, set up the sealed hole that supplies sealed boss card to go into on the pump head body, when sealed boss card goes into in the sealed hole, the connecting piece is used for preventing discharge flange to deviate from in the sealed hole, be provided with the seal assembly who is used for sealed hole on the sealed boss. This application has the effect of promoting the leakproofness of whole connection structure.
Description
Technical Field
The application relates to the field of plunger pump connection structures, in particular to a high-pressure discharge connection structure.
Background
Plunger pumps used in industries such as industrial and mining, petroleum and chemical industry generally comprise a power end and a hydraulic end. The hydraulic end is also called a pump head body.
As shown in fig. 1 and 2, a high-pressure discharge connection structure before improvement includes a mandrel 1, a joint 2, and a nut 3, a sealing assembly 7 is disposed on the mandrel 1, a sealing hole 41 for the mandrel 1 to be clamped is disposed on a pump head body 4, an external thread is disposed at one end of the joint 2, an internal thread is disposed at a position of the pump head body 4 close to the sealing hole 41, and the joint 2 is in threaded fit with the internal thread on the pump head body 4 through the external thread; and the inner circle of cap 3 is provided with the internal thread that matches with the external screw thread of joint 2 to cap 3 screw in connects 2 external screw thread and smashes tightly, blocks dabber 1 in sealed hole 41.
With respect to the related art described above, the inventors believe that when the fitting is screwed and clinched, the mandrel seal assembly may be damaged, rendering it less tight or failing to seal, resulting in leakage.
SUMMERY OF THE UTILITY MODEL
In order to improve the sealing performance of the overall connection structure, the application provides a high-pressure discharge connection structure.
The application provides a high pressure discharge connection structure adopts following technical scheme:
the utility model provides a high pressure discharge connection structure, includes discharge flange and connecting piece, discharge flange is including sealed boss, ring flange and connecting axle, sealed boss, ring flange and connecting axle coaxial line integrated into one piece, just sealed boss and connecting axle are located the both sides of ring flange respectively, have seted up the confession on the pump head body sealed hole that the boss card was gone into works as when sealed boss card is gone into in the sealed hole, the connecting piece is used for preventing discharge flange to deviate from in the sealed hole, be provided with the seal assembly who is used for sealed hole on the sealed boss.
Through adopting above-mentioned technical scheme, through going into sealed boss card in the sealing hole, then utilize the connecting piece to prevent that the discharge flange from deviating from in the sealing hole to fix the discharge flange on the pump head body, owing to set up seal assembly on the sealed boss, just can promote the leakproofness of whole joint structure this moment.
Optionally, the connecting piece includes multiunit stud and nut, a plurality of perforation have been seted up along circumference to the flange dish, have seted up a plurality of confessions on the pump head body the screw of stud screw in, the one end of stud pass behind the perforation with the screw thread fit that corresponds, the nut supports tightly with stud's other end screw thread fit and with the ring flange.
Through adopting above-mentioned technical scheme, after sealing boss card goes into the sealing hole, pass the screw in on the pump head body behind the perforation with stud's one end, later with nut screw in stud's the other end again, until nut and ring flange support tightly to fix the flange of discharging on the pump head body, promoted overall structure's stability.
Optionally, the through holes are uniformly formed along the circumferential direction of the flange plate.
Through adopting above-mentioned technical scheme, a plurality of perforation are evenly seted up along the circumference of ring flange, utilize double-end bolt and nut to fixed the back to the discharge flange, can make discharge flange each point atress even, guarantee discharge flange's stability betterly.
Optionally, the seal assembly includes a first seal ring for radial sealing and a second seal ring for axial sealing.
By adopting the technical scheme, the first sealing ring can be used for radial sealing; the second sealing ring is arranged, so that axial sealing can be performed; through radial and axial bidirectional sealing, the sealing performance of the connecting structure can be greatly improved.
Optionally, a first ring groove is formed in the outer wall of the sealing boss, and the first sealing ring is embedded in the first ring groove.
Through adopting above-mentioned technical scheme, inlay first sealing washer in locating first annular, when sealed boss card goes into the sealing hole, first sealing washer can carry out radial seal to the sealing hole.
Optionally, a second ring groove is formed in the end face of the sealing boss, and the second sealing ring is embedded in the second ring groove.
Through adopting above-mentioned technical scheme, inlay the second sealing washer and locate the second ring groove in, when sealed boss card goes into the sealing hole, the second sealing washer can carry out axial seal to the sealing hole.
Optionally, a plurality of jackscrew holes are formed in the surface of the flange plate, screws penetrate through the jackscrew holes, and the screws penetrate through the jackscrew holes and are driven into the pump head body.
Through adopting above-mentioned technical scheme, squeeze into the pump head after passing corresponding jackscrew hole with the screw in vivo to further promote the stability of discharge flange.
Optionally, an external thread is arranged on the side wall of the connecting shaft, and the connecting shaft is connected with the manifold through the external thread.
Through adopting above-mentioned technical scheme, the setting of external screw thread has the effect of being convenient for be connected connecting axle and manifold.
In summary, the present application includes at least one of the following beneficial technical effects:
the discharge flange is prevented from being separated from the sealing hole by the connecting piece and is fixed on the pump head body, and the sealing assembly is arranged on the sealing boss, so that the sealing performance of the integral connecting structure can be improved after the sealing boss is clamped into the sealing hole;
the sealing performance of the connecting structure can be greatly improved through radial and axial bidirectional sealing;
the screw is driven into the pump head body after passing through the corresponding top screw hole, so that the stability of the discharge flange can be further improved.
Drawings
Fig. 1 is a schematic structural view of a high-pressure discharge connection structure before improvement.
Fig. 2 is an exploded view of a high pressure discharge coupling arrangement prior to modification.
Fig. 3 is a schematic overall structure diagram of an embodiment of the present application.
Fig. 4 is a schematic view for showing a structure of a drain flange.
Fig. 5 is an exploded view for illustrating a connection relationship of the discharge flange and the pump head body.
Description of reference numerals: 1. a mandrel; 2. a joint; 3. and capping; 4. a pump head body; 41. sealing the hole; 42. a screw hole; 5. a discharge flange; 51. sealing the boss; 511. a first ring groove; 512. a second ring groove; 52. a flange plate; 521. perforating; 522. a jackscrew hole; 53. a connecting shaft; 531. an external thread; 6. a connecting member; 61. a stud bolt; 62. a nut; 7. a seal assembly; 71. a first seal ring; 72. and a second seal ring.
Detailed Description
The present application is described in further detail below with reference to figures 3-5.
The manifold is a combination formed by a plurality of pipelines which are intersected. The manifold comprises gate valves, pipelines, pipe fittings, pressure gauges, electronic sensing, hydraulic control systems and other fittings. Manifolds are of many types and have different uses depending on the configuration.
The embodiment of the application discloses a high-pressure discharge connecting structure. Referring to fig. 3, the high pressure discharge coupling structure includes a discharge flange 5 and a connection member 6, and the discharge flange 5 is detachably coupled to the pump head body 4 through the connection member 6.
Referring to fig. 3 and 4, the discharge flange 5 includes a sealing boss 51, a flange 52 and a connecting shaft 53, the sealing boss 51, the flange 52 and the connecting shaft 53 are coaxially and integrally formed, and the sealing boss 51 and the connecting shaft 53 are respectively located at two sides of the flange 52; the sealing boss 51 is provided with a sealing assembly 7 for sealing the sealing hole 41, the sealing assembly 7 comprises a first sealing ring 71 and a second sealing ring 72, the outer wall of the sealing boss 51 is provided with a first ring groove 511, and the first sealing ring 71 is embedded in the first ring groove 511; the end surface of the sealing boss 51 is provided with a second ring groove 512, and the second sealing ring 72 is embedded in the second ring groove 512. The pump head body 4 is provided with a sealing hole 41 for the sealing boss 51 to be clamped in, and when the sealing boss 51 is clamped in the sealing hole 41, the connecting piece 6 is used for preventing the sealing boss 51 from being separated from the sealing hole 41.
When mounting the discharge flange 5, the sealing boss 51 is first snapped into the sealing hole 41, and then the discharge flange 5 is prevented from coming out of the sealing hole 41 by the connecting piece 6; at this time, the first seal ring 71 can radially seal the seal hole 41, the second seal ring 72 can axially seal the seal hole 41, and the sealing performance of the connection structure can be greatly improved by both radial and axial seals.
Referring to fig. 3 and 5, the connecting member 6 includes a plurality of sets of stud bolts 61 and nuts 62, one set of one stud bolt 61 and one set of one nut 62; in the present embodiment, the stud bolts 61 and the nuts 62 are provided in six groups, four groups being shown in the drawing; six through holes 521 are uniformly formed in the flange plate 52 along the circumferential direction, six screw holes 42 for screwing the stud bolts 61 into are formed in the pump head body 4, four screw holes 42 are shown in the figure, the stud bolts 61 correspond to the screw holes 42 one by one, and the screw holes 42 correspond to the through holes 521 one by one; one end of the stud 61 passes through the through hole 521 and then is in threaded fit with the corresponding screw hole 42, and the nut 62 is in threaded fit with the other end of the stud 61 and abuts against the flange 52. Two jackscrew holes 522 are symmetrically formed in the surface of the flange plate 52, and the jackscrew holes 522 are staggered with the through hole 521; screws (not shown) penetrate through the top screw holes 522, and the flange plate 52 is connected to the pump head body 4 through the screws, so that the stability of the discharge flange 5 is improved. An external thread 531 is provided on the side wall of the connecting shaft 53, and the connecting shaft 53 is communicated with the manifold through the external thread 531.
After the sealing boss 51 is clamped into the sealing hole 41 of the pump head body 4, one end of the stud 61 is screwed into the screw hole 42 after passing through the through hole 521, and then the nut 62 is screwed into the other end of the stud 61 until the nut 62 is tightly pressed against the surface of the flange plate 52; finally, the screw is driven into the pump head body 4 through the screw hole 522, so that the discharge flange 5 and the pump head body 4 are kept in a relatively stable state.
The implementation principle of the high-pressure discharge connection structure in the embodiment of the application is as follows: firstly, the sealing boss 51 of the discharge flange 5 is clamped into the sealing hole 41, and then the discharge flange 5 is fixed on the pump head body 4 by using the connecting piece 6 and the screw, so that the discharge flange 5 can be well prevented from being separated from the sealing hole 41, and the whole structure is convenient to assemble; meanwhile, due to the arrangement of the sealing assembly 7, axial and radial bidirectional sealing can be achieved on the sealing hole 41, and the sealing performance of the connecting structure is greatly improved.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. A high-pressure discharge connection structure, characterized in that: including discharge flange (5) and connecting piece (6), discharge flange (5) are including sealed boss (51), ring flange (52) and connecting axle (53), sealed boss (51), ring flange (52) and connecting axle (53) coaxial line integrated into one piece, just sealed boss (51) and connecting axle (53) are located the both sides of ring flange (52) respectively, have seted up the confession on pump body (4) sealed hole (41) that sealed boss (51) card was gone into work as when sealed boss (51) card is gone into in sealed hole (41), connecting piece (6) are used for preventing discharge flange (5) to deviate from sealed hole (41) in, be provided with seal assembly (7) that are used for sealed hole (41) on sealed boss (51).
2. The high pressure discharge coupling structure according to claim 1, wherein: connecting piece (6) include multiunit stud (61) and nut (62), a plurality of perforation (521) have been seted up along circumference in ring flange (52), have seted up a plurality of confessions on pump head body (4) screw (42) of stud (61) screw in, the one end of stud (61) is passed behind perforation (521) and is matched with screw (42) screw thread that corresponds, nut (62) and the other end screw thread cooperation of stud (61) just support tightly with ring flange (52).
3. The high pressure discharge coupling structure according to claim 2, wherein: the through holes (521) are uniformly formed along the circumferential direction of the flange plate (52).
4. The high pressure discharge coupling structure according to claim 1, wherein: the seal assembly (7) comprises a first seal ring (71) and a second seal ring (72), the first seal ring (71) is used for radial sealing, and the second seal ring (72) is used for axial sealing.
5. The high pressure discharge coupling structure according to claim 4, wherein: the outer wall of the sealing boss (51) is provided with a first annular groove (511), and the first sealing ring (71) is embedded in the first annular groove (511).
6. The high pressure discharge coupling structure according to claim 4, wherein: a second ring groove (512) is formed in the end face of the sealing boss (51), and the second sealing ring (72) is embedded in the second ring groove (512).
7. The high pressure discharge coupling structure according to claim 1, wherein: a plurality of jackscrew holes (522) are opened on the surface of ring flange (52), wear to be equipped with the screw in jackscrew hole (522), the screw is beaten into in pump head body (4) after passing jackscrew hole (522).
8. The high pressure discharge coupling structure according to claim 1, wherein: the side wall of the connecting shaft (53) is provided with an external thread (531), and the connecting shaft (53) is connected with the manifold through the external thread (531).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302178.7U CN214535025U (en) | 2021-02-03 | 2021-02-03 | High pressure discharge connection structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120302178.7U CN214535025U (en) | 2021-02-03 | 2021-02-03 | High pressure discharge connection structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214535025U true CN214535025U (en) | 2021-10-29 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120302178.7U Active CN214535025U (en) | 2021-02-03 | 2021-02-03 | High pressure discharge connection structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214535025U (en) |
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2021
- 2021-02-03 CN CN202120302178.7U patent/CN214535025U/en active Active
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