CN114235291A

CN114235291A - Pressure experiment device capable of preliminarily boosting pressure for metal hose

Info

Publication number: CN114235291A
Application number: CN202111631762.8A
Authority: CN
Inventors: 彭春明; 祝红芳; 祝红梅; 彭春琴; 张存华; 钱勇; 丁阳
Original assignee: Jiangsu Runming Machinery Equipment Co ltd
Current assignee: Jiangsu Runming Machinery Equipment Co ltd
Priority date: 2021-12-29
Filing date: 2021-12-29
Publication date: 2022-03-25
Anticipated expiration: 2041-12-29
Also published as: CN114235291B

Abstract

The invention relates to the technical field of metal hoses, in particular to a pressure experiment device capable of boosting pressure for a metal hose, which comprises a pressure experiment table, the pressure experiment table is provided with a metal hose, two ends of the metal hose are symmetrically provided with connectors, one side of the pressure experiment table is fixedly provided with a pressure sensor, one end of the pressure experiment table is welded with a fixed installation table, a through groove is arranged inside the fixed mounting platform, a mounting groove is arranged on the left side of the through groove, grooves are symmetrically arranged on the two sides of the fixed mounting platform, a support rod is welded in the groove, when the two ends of the metal hose are fixedly sealed, the connector at one end is inserted in the mounting groove, and then the jacking plate is pushed to realize the self-locking of the jacking plate, meanwhile, the conical sealing joint is inserted into the metal hose to seal one end of the metal hose, and the sealing effect is better under the action of the rubber ring.

Description

Pressure experiment device capable of preliminarily boosting pressure for metal hose

Technical Field

The invention relates to the technical field of metal hoses, in particular to a pressure experiment device capable of boosting pressure initially for a metal hose.

Background

The metal hose is required to be subjected to a pressure test before leaving a factory so as to detect whether the quality of the metal hose is qualified, and when the pressure is detected, the existing pressure test device firstly detects the tightness of the connectors at the two ends of the metal hose and whether a leakage point exists on the metal hose through primary pressure rise, and after the pressure is increased for a period of time, if the pressure of a pressure sensor shows no change, the tightness is good, and then the pressure test is further carried out under pressurization, so that the detection mode is very accurate, one end of the metal hose needs to be sealed when the metal hose pressure test is carried out, the other end of the metal hose needs to be connected with the pressurization device, the existing pressure test device is troublesome in connection and installation at the two ends of the metal hose, the quick seal installation at the two ends cannot be realized, and in addition, the connection and tightness at the two ends of the metal hose can not be ensured easily when the pressure test device is installed, the pressure detection device needs to be disassembled and reinstalled, so that time is wasted, and the efficiency of pressure detection is seriously influenced.

Therefore, we propose a pressure experimental device for a metal hose capable of boosting pressure primarily to solve the above disadvantages.

Disclosure of Invention

The invention aims to provide a pressure experiment device capable of boosting pressure initially for a metal hose, so as to solve the problems in the background technology.

In order to achieve the purpose, the invention provides the following technical scheme:

a pressure experiment device capable of preliminarily boosting pressure for a metal hose comprises a pressure experiment table, wherein the pressure experiment table is provided with a metal hose, two ends of the metal hose are symmetrically provided with connectors, one side of the pressure experiment table is fixedly provided with a pressure sensor, one end of the pressure experiment table is welded with a fixed mounting table, a through groove is formed in the fixed mounting table, the left side of the through groove is provided with a mounting groove, two sides of the fixed mounting table are symmetrically provided with a groove, a support rod is welded in the groove, two sides of the upper end of the fixed mounting table are symmetrically provided with a limit groove, the inner wall of the through groove is provided with an inserting through hole, the fixed mounting table is provided with a first hose sealing and fixing device, the other end of the pressure experiment table is fixedly provided with a pressurizing device, and a pressurizing pipe is fixedly arranged on the pressurizing device, and a second hose sealing and fixing device is fixedly arranged on the pressurizing device.

Preferably, the first hose sealing and fixing device comprises a tightening plate, a rubber ring, a locking plate and a first connecting spring, a conical sealing head is fixedly arranged at the front end of the tightening plate, a convex ring is integrally formed on the conical sealing head, the conical sealing head is inserted into the insertion through hole, and a reset spring is sleeved on the conical sealing head.

Preferably, the two ends of the tightening plate are welded with side plates, the front ends of the side plates are provided with inclined plane grooves, the side plates are provided with fixing holes, and the tightening plate is located on the right side of the fixed mounting table.

Preferably, the rubber ring is pasted on the convex ring, and is contacted with the end face of the connector of metal hose one end under the operating condition, the welding of the lower extreme of lockplate has the locking post, and the welding of the upper end of lockplate has transverse connection board, the welding of the other end of transverse connection board has the operation panel, and transverse connection board pegs graft in the spacing groove.

Preferably, a retraction hole is formed in the other end face, opposite to the locking column, of the lower end of the locking plate, a supporting rod is inserted into the retraction hole, and the supporting rod is sleeved with a first connecting spring.

Preferably, the second hose sealing and fixing device comprises a sealing sleeve, a fixed semi-ring, a second connecting spring and an air bag ring, wherein a sealing cavity is formed in the sealing sleeve, the sealing sleeve is sleeved on the outer side of the pressurization pipe, the connector at one end of the metal hose is sleeved in the sealing cavity in the working state, the pressurization pipe is inserted in the metal hose, and the air bag ring is sleeved on the pressurization pipe and inserted in the sealing cavity.

Preferably, the bilateral symmetry welding of seal cover has the side lever, the circular port has been seted up on the side lever, the concatenation has the connecting rod in the circular port, the connecting rod welding is on the outer terminal surface of stationary semi-ring, and has cup jointed the second coupling spring on the connecting rod.

Preferably, the number of the fixed half rings is two, a conical surface is arranged in each fixed half ring, a fixed table is fixedly arranged at one end with a small diameter of the conical surface, the fixed table is in contact with the end face of the sealing sleeve, a vertical plate is welded on the end face of the outer side of each fixed half ring, a hinge frame is integrally formed at the upper end of each vertical plate, a first hinge plate is hinged to the hinge frame on one fixed half ring, a second hinge plate is hinged to the hinge frame on the other fixed half ring, and the other ends of the first hinge plate and the second hinge plate are hinged together.

Compared with the prior art, the invention has the beneficial effects that: the invention has reasonable structure and strong functionality, and has the following advantages:

1. when the two ends of the metal hose are fixedly sealed, the connector at one end is inserted in the mounting groove, then the jacking plate is pushed to realize the self-locking of the jacking plate, meanwhile, the conical sealing head is inserted in the metal hose to realize the sealing of one end of the metal hose, and the sealing effect is better under the action of the rubber ring;

2. when the other end of the metal hose is in sealing connection with the pressurizing device, the connector of the metal hose is directly inserted into the sealing cavity with a certain force, then the metal hose can be fixed under the action of the fixed semi-ring, the connector of the metal hose is in interference fit with the sealing cavity, the pressurizing pipe is in interference fit with the metal hose, and the connector on the metal hose is extruded with the air bag ring, so that the sealing performance between the metal hose and the pressurizing device can be fully ensured under the cooperation of the three parts;

3. can realize quick installation and the dismantlement at metal collapsible tube both ends, improve pressure detection's work efficiency greatly.

Drawings

FIG. 1 is an exploded view of the pressure tester assembly;

FIG. 2 is a schematic structural diagram of a pressure experimental apparatus;

FIG. 3 is a schematic structural view of a tightening plate;

fig. 4 is a schematic structural view of the stationary half ring.

In the figure: 1. a pressure experiment table; 11. fixing the mounting table; 111. a through groove; 112. mounting grooves; 113. a groove; 114. a limiting groove; 115. a support bar; 116. inserting through holes; 2. a pressurizing device; 21. sealing sleeves; 22. a side lever; 23. a circular hole; 24. sealing the cavity; 25. a pressurizing pipe; 3. a pressure sensor; 4. a jacking plate; 41. a return spring; 42. a conical sealing head; 43. a convex ring; 44. a side plate; 45. a fixing hole; 46. an inclined plane groove; 5. a rubber ring; 6. a locking plate; 61. a locking post; 62. a transverse connecting plate; 63. a first connecting spring; 64. retracting the hole; 65. an operation panel; 7. a stationary half ring; 71. a second connecting spring; 72. a first hinge plate; 73. a second hinge plate; 74. a conical surface; 75. a fixed table; 76. a connecting rod; 77. a vertical plate; 78. a hinged frame; 8. a metal hose; 81. a connector; 9. an air bag ring.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1 to 4, the present invention provides a technical solution:

a pressure experiment device capable of preliminarily boosting pressure for a metal hose comprises a pressure experiment table 1, wherein the pressure experiment table 1 is provided with a metal hose 8, two ends of the metal hose 8 are symmetrically provided with connectors 81, one side of the pressure experiment table 1 is fixedly provided with a pressure sensor 3, one end of the pressure experiment table 1 is welded with a fixed installation table 11, the fixed installation table 11 is internally provided with a through groove 111, the left side of the through groove 111 is provided with an installation groove 112, two sides of the fixed installation table 11 are symmetrically provided with grooves 113, a support rod 115 is welded in the grooves 113, two sides of the upper end of the fixed installation table 11 are symmetrically provided with limit grooves 114, the inner wall of the through groove 111 is provided with an insertion through hole 116, the fixed installation table 11 is provided with a first hose sealing and fixing device, and the first hose sealing and fixing device comprises a jacking plate 4, a rubber ring 5, a locking plate 6 and a first connecting spring 63, the front end of the puller plate 4 is fixedly provided with a conical sealing head 42, the conical sealing head 42 is provided with a convex ring 43 in an integrated manner, the conical sealing head 42 is inserted into the insertion through hole 116 in an inserting manner, the conical sealing head 42 is sleeved with a reset spring 41, in addition, two ends of the puller plate 4 are welded with side plates 44, the front end of each side plate 44 is provided with an inclined plane groove 46, a fixing hole 45 is formed in each side plate 44, the puller plate 4 is positioned on the right side of the fixed mounting table 11, in addition, two ends of the reset spring 41 are respectively welded on the outer end face of the fixed mounting table 11 and the end face of the puller plate 4, and the conical sealing head 42 is inserted into the metal hose 8 in a working state.

The rubber ring 5 is adhered to the convex ring 43 and is in contact with the end face of the connector 81 at one end of the metal hose 8 in a working state, the locking column 61 is welded at the lower end of the locking plate 6, the transverse connecting plate 62 is welded at the upper end of the locking plate 6, the operating plate 65 is welded at the other end of the transverse connecting plate 62, the transverse connecting plate 62 is inserted in the limiting groove 114, the other end face, opposite to the locking column 61, of the lower end of the locking plate 6 is provided with a retraction hole 64, the retraction hole 64 is inserted with a supporting rod 115, the supporting rod 115 is sleeved with a first connecting spring 63, the locking column 61 is inserted in the fixing hole 45 in the working state, two ends of the first connecting spring 63 are respectively welded on the end face of the locking plate 6 and the inner wall of the groove 113, and the locking column 61 is in contact with the foremost end of the inclined plane groove 46 in an initial state.

The other end fixed mounting of pressure experiment platform 1 has pressure device 2, the fixed pressure tube 25 that is provided with on pressure device 2, and the fixed second hose seal fixing device that is provided with and seals fixing device and second hose on pressure device 2 is including seal cover 21, stationary half 7, second coupling spring 71 and gasbag circle 9, sealed chamber 24 has been seted up to the inside of seal cover 21, and seal cover 21 cup joints the outside at pressure tube 25, and sealed chamber 24 cup joints the connector 81 of 8 one ends of metal collapsible tube under operating condition, pressure tube 25 pegs graft in the inside of metal collapsible tube 8, gasbag circle 9 cup joints the inside of pegging graft at sealed chamber 24 on pressure tube 25, be interference fit between metal collapsible tube 8 and pressure tube 25 in addition, be interference fit between connector 81 and the sealed chamber 24.

The bilateral symmetry welding of seal cover 21 has side lever 22, has seted up circular port 23 on the side lever 22, has pegged graft in the circular port 23 and has connected connecting rod 76, and connecting rod 76 welds on the outer terminal surface of stationary half 7, and has cup jointed second coupling spring 71 on the connecting rod 76, and the both ends of second coupling spring 71 weld respectively on side lever 22 and on the terminal surface of riser 77.

The number of the fixed half rings 7 is two, a tapered surface 74 is arranged in each fixed half ring 7, a fixed table 75 is fixedly arranged at one end of each tapered surface 74 with a small diameter, the fixed tables 75 are in contact with the end surface of the sealing sleeve 21, a vertical plate 77 is welded on the end surface of the outer side of each fixed half ring 7, a hinge frame 78 is integrally formed at the upper end of each vertical plate 77, a first hinge plate 72 is hinged to the hinge frame 78 on one fixed half ring 7, a second hinge plate 73 is hinged to the hinge frame 78 on the other fixed half ring 7, the other ends of the first hinge plate 72 and the second hinge plate 73 are hinged together, in addition, the two fixed half rings 7 are tightly attached together in a working state, a tapered hole is formed at the port of each tapered surface 74, the minimum diameter of each tapered hole is smaller than the diameter of the connecting head 81, and the tapered hole is blocked in the sealing cavity 24.

When the metal hose 8 is sealed and installed, the connector 81 at one end is inserted into the installation groove 112, then the tightening plate 4 is pushed towards the direction of the fixed installation platform 11, so that the locking column 61 is pushed to move under the action of the inclined plane in the inclined plane groove 46 until the locking column 61 reaches the plane at the rear end of the inclined plane groove 46, then the locking column 61 reaches the position of the fixed hole 45, the locking column 61 is ejected into the fixed hole 45 under the action of the first connecting spring 63 to realize the fixation of the tightening plate 4, at this time, the conical sealing head 42 is inserted into the metal hose 8 to realize the sealing and fixation of the metal hose 8, the end surface of the connector 81 is attached to the rubber ring 5 to further ensure the sealing, when the sealing and fixation of the other end is carried out, the connector 81 is inserted into the conical hole formed by the fixed half ring 7 and then the half ring is squeezed with a certain force, so that the two fixed half rings 7 move back under the action of the connector 81, therefore, the connecting head 81 can smoothly pass through the tapered hole and be inserted into the sealed cavity 24, the pressurizing pipe 25 is inserted into the metal hose 8, the connecting head 81 and the air bag ring 9 are mutually pressed, after the connecting head 81 reaches the sealed cavity 24, the two fixed half rings 7 lean against each other again under the action of the second connecting spring 71, and the diameter of the hole formed by the two fixed platforms 75 is smaller than that of the connecting head 81, the connecting head 81 is tightly fixed in the sealed cavity 24, thus realizing the sealing installation of the two ends of the metal hose 8, being very convenient, and the connecting head 81 at the end can be drawn out from the sealed cavity 24 by pressing the first hinge plate 72 and the second hinge plate 73 downwards to realize the backward movement of the two fixed half rings 7, then the fixed half ring 7 is reset again under the action of the second connecting spring 71 and is tightly attached together, the other end pulls the operating plate 65 in opposite directions when being detached, so that the locking column 61 can exit from the fixing hole 45, then the tightening plate 4 moves towards the direction far away from the fixed mounting table 11 under the action of the reset spring 41, so that the tapered sealing head 42 exits from the metal hose 8, and the metal hose 8 is released.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a pressure experiment device that metal hose was with can tentatively stepping up, includes pressure experiment table (1), its characterized in that: the pressure experiment table is characterized in that a metal hose (8) is installed on the pressure experiment table (1), connectors (81) are symmetrically arranged at two ends of the metal hose (8), a pressure sensor (3) is fixedly installed at one side of the pressure experiment table (1), a fixed installation table (11) is welded at one end of the pressure experiment table (1), a through groove (111) is formed in the fixed installation table (11), an installation groove (112) is formed in the left side of the through groove (111), grooves (113) are symmetrically formed in two sides of the fixed installation table (11), a support rod (115) is welded in each groove (113), a limiting groove (114) is symmetrically formed in two sides of the upper end of the fixed installation table (11), an insertion through hole (116) is formed in the inner wall of the through groove (111), a first hose sealing and fixing device is installed on the fixed installation table (11), and a pressurizing device (2) is fixedly installed at the other end of the pressure experiment table (1), the pressurizing device (2) is fixedly provided with a pressurizing pipe (25), and the pressurizing device (2) is fixedly provided with a second hose sealing and fixing device.

2. A pressure experimental apparatus capable of boosting pressure initially for metal hose according to claim 1, characterized in that: the first hose sealing and fixing device comprises a jacking plate (4), a rubber ring (5), a locking plate (6) and a first connecting spring (63), wherein a conical sealing head (42) is fixedly arranged at the front end of the jacking plate (4), a convex ring (43) is integrally formed on the conical sealing head (42), the conical sealing head (42) is inserted into an insertion through hole (116), and a reset spring (41) is sleeved on the conical sealing head (42).

3. A pressure experimental apparatus capable of boosting pressure initially for metal hose according to claim 2, characterized in that: the two ends of the jacking plate (4) are welded with side plates (44), the front ends of the side plates (44) are provided with inclined plane grooves (46), the side plates (44) are provided with fixing holes (45), and the jacking plate (4) is located on the right side of the fixed mounting table (11).

4. A pressure experimental apparatus capable of boosting pressure initially for metal hose according to claim 2, characterized in that: rubber ring (5) are pasted on bulge loop (43), and contact with the terminal surface of connector (81) of metal collapsible tube (8) one end under operating condition, the lower extreme welding of lockplate (6) has locking post (61), and the upper end welding of lockplate (6) has transverse connection board (62), the other end welding of transverse connection board (62) has operation panel (65), and transverse connection board (62) peg graft in spacing groove (114).

5. The pressure experiment device capable of boosting pressure primarily for the metal hose according to claim 4, wherein: the lower end of the locking plate (6) and the other end face, opposite to the locking column (61), of the locking plate are provided with a retraction hole (64), a supporting rod (115) is connected in the retraction hole (64) in an inserted mode, and the supporting rod (115) is sleeved with a first connecting spring (63).

6. A pressure experimental apparatus capable of boosting pressure initially for metal hose according to claim 1, characterized in that: second hose seals fixing device is including seal cover (21), stationary half ring (7), second coupling spring (71) and gasbag circle (9), seal chamber (24) have been seted up to the inside of seal cover (21), and seal cover (21) cup joints in the outside of forcing pipe (25), just connector (81) of metal collapsible tube (8) one end have been cup jointed to seal chamber (24) under operating condition, forcing pipe (25) are pegged graft in the inside of metal collapsible tube (8), gasbag circle (9) cup joint on forcing pipe (25) and peg graft in the inside of seal chamber (24).

7. The pressure experiment device capable of boosting pressure primarily for the metal hose according to claim 6, wherein: the bilateral symmetry welding of seal cover (21) has side lever (22), circular port (23) have been seted up on side lever (22), it has connecting rod (76) to peg graft in circular port (23), connecting rod (76) welding is on the outer terminal surface of stationary half ring (7), and has cup jointed second connecting spring (71) on connecting rod (76).

8. The pressure experiment device capable of boosting pressure primarily for the metal hose according to claim 7, wherein: the improved semi-ring hinge is characterized in that the number of the fixed semi-rings (7) is two, tapered surfaces (74) are arranged in the fixed semi-rings (7), a fixed table (75) is fixedly arranged at one end with a small diameter of the tapered surfaces (74), the fixed table (75) is in contact with the end surface of the sealing sleeve (21), a vertical plate (77) is welded on the end surface of the outer side of each fixed semi-ring (7), a hinge frame (78) is integrally formed at the upper end of each vertical plate (77), a first hinge plate (72) is hinged to the hinge frame (78) on one fixed semi-ring (7), a second hinge plate (73) is hinged to the hinge frame (78) on the other fixed semi-ring (7), and the other ends of the first hinge plate (72) and the second hinge plate (73) are hinged together.