CN217081756U

CN217081756U - Can discover experimental sealing connection structure that steering gear hydraulic fluid port connects dress is anti-reverse

Info

Publication number: CN217081756U
Application number: CN202221452982.4U
Authority: CN
Inventors: 田雨; 徐正选; 霍文博
Original assignee: Yubei Steering System Xinxiang Co ltd
Current assignee: North Henan Steering System Xinxiang Co ltd
Priority date: 2022-06-13
Filing date: 2022-06-13
Publication date: 2022-07-29
Anticipated expiration: 2032-06-13

Abstract

The utility model discloses a can discover experimental sealed connection structure that steering gear hydraulic fluid port connects dress and turn over, including ejector pin, internal thread end cap and hydraulic fluid port joint, the left end surface of hydraulic fluid port joint is provided with external screw thread II, and hydraulic fluid port connects the right-hand member surface and is provided with external screw thread I, leaves the interval between the right-hand member of external screw thread I and hydraulic fluid port joint, and the right-hand member of ejector pin passes internal thread end cap, and passes to the hydraulic fluid port joint, and the internal thread end cap passes through external screw thread II and is connected with the hydraulic fluid port joint, be provided with annular seal groove on the ejector pin, install rubber seal on the annular seal groove, be provided with sealed chamfer on the inner wall of hydraulic fluid port joint, rubber seal pushes up in sealed chamfer, realizes the sealed of ejector pin and hydraulic fluid port joint junction; the utility model has the advantages of reasonable design, convenient operation, sealed effect is not good, and threaded connection is not last during the transposition, and rubber seal can't be compressed tightly sealed, effectually prevents the problem that sealing connection structure and hydraulic fluid port connect the transposition.

Description

Can discover experimental sealing connection structure that steering gear hydraulic fluid port connects dress is anti-reverse

Technical Field

The utility model relates to a steering gear hydraulic fluid port sealing connection technical field specifically is a can discover anti-experimental sealing connection structure of steering gear hydraulic fluid port joint dress.

Background

After the steering gear is installed on the whole vehicle, an oil pipe of the oil supply pump is directly connected with an oil inlet and an oil outlet of the steering gear through an internal thread and an external thread under the normal condition. The oil inlet and the oil outlet of the steering gear are provided with a transitional oil port joint, and an oil pipe of the oil supply pump is connected with the oil port joint; when the oil port joint is installed, the direction requirement is met, but the two ends of the oil port joint are both provided with M16 external threads, and the oil port joint is easily reversely installed only by depending on a visual area, so that oil leakage at the oil pipe joint of the oil supply pump is caused; use on the experimental oil pipe of steering gear, realize that experimental oil pipe can only be connected with the correct one end of hydraulic fluid port joint: the oil port joint is arranged on the steering gear before the test, the test oil pipe is connected with the oil port joint, the oil port joint is easy to reversely arrange, the oil leakage problem is easy to occur, the operation is inconvenient to connect with the oil port joint, the sealing effect is not good, and the requirement in actual use cannot be met, so that the technology capable of being improved is urgently needed on the market to solve the problem.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome current defect, provide one kind and can discover the experimental sealed connection structure that the steering gear hydraulic fluid port connects the dress to turn over, structural design is reasonable, convenient operation, sealed effect is not good, and threaded connection is not last when the reversal connects, and rubber seal can't be compressed tightly sealedly, and the problem in the background art can effectively be solved to the effectual sealed connection structure that prevents and hydraulic fluid port connect the reversal problem of connecing.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a can discover experimental sealing connection structure that steering gear hydraulic fluid port connects dress is anti-reverse, includes ejector pin, internal thread end cap and hydraulic fluid port and connects, and the left end surface that the hydraulic fluid port connects is provided with external screw thread II, and hydraulic fluid port connects the right-hand member surface and is provided with external screw thread I, leaves the interval between the right-hand member that external screw thread I and hydraulic fluid port connect, and the right-hand member of ejector pin passes the internal thread end cap to in passing to the hydraulic fluid port connects, the internal thread end cap passes through external screw thread II and hydraulic fluid port articulate, be provided with annular seal groove on the ejector pin, install rubber seal on the annular seal groove, be provided with sealed chamfer on the inner wall that the hydraulic fluid port connects, rubber seal pushes up in sealed chamfer, realizes ejector pin and hydraulic fluid port articulate sealed.

Further, be provided with spacing excircle step on the ejector pin, be provided with on the internal thread end cap with spacing excircle step matched with step face, through the step face cooperation of spacing excircle step and internal thread end cap, the internal thread end cap can drive the ejector pin and remove when screwing up, makes rubber seal push up in sealed chamfer, guarantees the sealing performance of ejector pin and hydraulic fluid port articulate department.

Furthermore, the internal thread plug can rotate around the ejector rod, a plug screwing part is arranged at the left end of the internal thread plug, the limiting outer circle step is clamped at the left end of the oil port connector when the internal thread plug is screwed down, the depth of the ejector rod inserted into the oil port connector can be limited through the limiting outer circle step, and the rubber sealing ring is prevented from being damaged due to excessive screwing.

Furthermore, the middle part of the outer surface of the oil port connector is provided with a connector screwing part, and the oil port connector is conveniently connected with the oil port of the steering gear through the connector screwing part.

Furthermore, both ends of the oil port connector are of inner conical surface structures, and the angle of the inner conical surface at the right end of the oil port connector is larger than that at the left end of the oil port connector.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model discloses on set up spacing excircle step, through the step face cooperation of spacing excircle step and internal thread end cap, the internal thread end cap can drive the ejector pin and remove when screwing up, makes rubber seal top in sealed chamfer, guarantees the sealing performance of ejector pin and hydraulic fluid port articulate department, can restrict the ejector pin through spacing excircle step and insert the hydraulic fluid port joint degree of depth, prevents to twist excessively and damage rubber seal.

2. The utility model discloses on set up the portion of screwing up that connects, screwed up the portion through connecting and conveniently connect the hydraulic fluid port with the steering gear hydraulic fluid port, when internal thread end cap and hydraulic fluid port connect the reversal, the annular seal groove outward flange of ejector pin can push up on the hydraulic fluid port connects the interior conical surface of wide-angle, and the hydraulic fluid port connects gapped with external screw thread I, can't be connected, prevents to adorn anti-reversely.

3. The utility model has the advantages of reasonable design, convenient operation, sealed effect is not good, and threaded connection is not last during the transposition, and rubber seal can't be compressed tightly sealed, effectually prevents the problem that sealing connection structure and hydraulic fluid port connect the transposition.

Drawings

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

FIG. 2 is an isometric view of the present invention;

fig. 3 is a top rod shaft mapping view of the present invention;

FIG. 4 is a schematic view of the cross-sectional structure of the oil port joint of the present invention;

fig. 5 is a schematic view of the structure of the present invention in reverse connection.

In the figure: the sealing device comprises a top rod 1, a plug screwing part 2, an internal thread plug 3, a rubber sealing ring 4, a joint screwing part 5, an external thread I6, an oil port joint 7, an external thread II 8, a limit external step 9, an annular sealing groove 10 and a sealing chamfer 11.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Example one

Referring to fig. 1-5, the present invention provides a technical solution: a test sealing connection structure capable of finding reverse installation of an oil port connector of a steering gear comprises a push rod 1, an internal thread plug 3 and the oil port connector 7, wherein an external thread II 8 is arranged on the outer surface of the left end of the oil port connector 7, an external thread I6 is arranged on the outer surface of the right end of the oil port connector 7, a gap is reserved between the external thread I6 and the right end of the oil port connector 7, when the oil port connector is reversely installed, the internal thread plug 3 is prevented from being connected with the external thread I6, a connector tightening part 5 is arranged in the middle of the outer surface of the oil port connector 7, the oil port connector 7 is conveniently connected with the oil port of the steering gear through the connector tightening part 5, the right end of the push rod 1 penetrates through the internal thread plug 3 and penetrates into the oil port connector 7, the internal thread plug 3 can rotate around the push rod 1, a plug tightening part 2 is arranged at the left end of the internal thread plug 3, and a limiting excircle step 9 is clamped on the left end of the oil port connector 7 when the internal thread plug 3 is tightened, can restrict ejector pin 1 through spacing excircle step 9 and insert the hydraulic fluid port and connect 7 degree of depth, prevent to twist excessively and damage rubber seal 4, internal thread end cap 3 is connected with hydraulic fluid port joint 7 through external screw thread II 8, is provided with annular seal groove 10 on the ejector pin 1, installs rubber seal 4 on the annular seal groove 10, is provided with sealed chamfer 11 on the inner wall that hydraulic fluid port connects 7, and rubber seal 4 pushes up in sealed chamfer 11, realizes the sealed of ejector pin 1 and hydraulic fluid port joint 7 junction, the utility model has the advantages of reasonable design, convenient operation, sealed effect is not good, and threaded connection is not gone up when joining conversely, and rubber seal 4 can't be compressed tightly sealed, effectually prevents the problem that sealed connection structure and hydraulic fluid port joint 7 from joining conversely.

Be provided with spacing excircle step 9 on ejector pin 1, be provided with on the internal thread end cap 3 with spacing excircle step 9 matched with step face, step face cooperation through spacing excircle step 9 and internal thread end cap 3, internal thread end cap 3 can drive ejector pin 1 when screwing up and remove, make 4 tops of rubber seal in sealed chamfer 11, guarantee the sealing performance of ejector pin 1 and hydraulic fluid port joint 7 junction, hydraulic fluid port joint 7's both ends are interior conical surface structure, hydraulic fluid port joint 7 right-hand member interior conical surface angle is greater than the interior conical surface angle of left end, when internal thread end cap 3 connects 7 reverse-connection with the hydraulic fluid port, 10 outward flanges of the ring seal groove of ejector pin 1 can push up on the interior conical surface of hydraulic fluid port joint 7 wide-angle, hydraulic fluid port joint 7 is gapped with external screw thread I6, can's unable connection, prevent to adorn anti-oriented.

When in use: the hydraulic fluid port connector 7 is connected with the hydraulic fluid port of the steering gear through the connector tightening part 5, then the ejector rod 1 penetrates through the internal thread plug 3, the internal thread plug 3 is rotated through the plug tightening part 2, the internal thread plug 3 is connected with the external thread II 8, the plug tightening part 2 drives the ejector rod 1 to move, the rubber sealing ring 4 is pushed against the sealing chamfer 11, sealing connection is completed, when the internal thread plug 3 is reversely connected with the hydraulic fluid port connector 7, the outer edge of the annular sealing groove 10 of the ejector rod 1 can be pushed against the large-angle inner conical surface of the hydraulic fluid port connector 7, a gap is reserved between the hydraulic fluid port connector 7 and the external thread I6, and the hydraulic fluid port connector 7 cannot be connected with the external thread I6, and reverse installation is prevented.

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 can discover experimental sealing connection structure that steering gear hydraulic fluid port connects dress is anti-reverse, includes ejector pin (1), internal thread end cap (3) and hydraulic fluid port joint (7), its characterized in that: the left end surface of hydraulic fluid port connects (7) is provided with external screw thread II (8), and hydraulic fluid port connects (7) right-hand member surface and is provided with external screw thread I (6), leaves the interval between the right-hand member of external screw thread I (6) and hydraulic fluid port joint (7), and the right-hand member of ejector pin (1) passes internal thread end cap (3) to in penetrating hydraulic fluid port connects (7), internal thread end cap (3) are connected with hydraulic fluid port joint (7) through external screw thread II (8), be provided with annular seal groove (10) on ejector pin (1), install rubber seal (4) on annular seal groove (10), be provided with sealed chamfer (11) on the inner wall that hydraulic fluid port connects (7), rubber seal (4) top is in sealed chamfer (11), realizes the sealed of ejector pin (1) and hydraulic fluid port joint (7) junction.

2. The test sealing connection structure capable of finding the reverse installation of the oil port connector of the steering gear as claimed in claim 1, wherein: the ejector rod (1) is provided with a limiting outer circle step (9), and the inner thread plug (3) is provided with a step surface matched with the limiting outer circle step (9).

3. The test sealing connection structure capable of finding the reverse installation of the oil port connector of the steering gear as claimed in claim 2, wherein: the oil port connector is characterized in that the internal thread plug (3) can rotate around the ejector rod (1), the plug screwing part (2) is arranged at the left end of the internal thread plug (3), and the limiting outer circle step (9) is clamped at the left end of the oil port connector (7) when the internal thread plug (3) is screwed.

4. The test sealing connection structure capable of finding the reverse installation of the oil port connector of the steering gear as claimed in claim 1, wherein: the middle part of the outer surface of the oil port connector (7) is provided with a connector screwing part (5).

5. The test sealing connection structure capable of finding the reverse installation of the oil port connector of the steering gear as claimed in claim 1, wherein: the two ends of the oil port connector (7) are of inner conical surface structures, and the angle of the inner conical surface at the right end of the oil port connector (7) is larger than that at the left end.