Pressure testing connector of oil pressure device
By designing an adjustable pressure gauge connector and positioning rod structure, the problems of inconvenient pressure gauge observation and airtightness were solved, enabling flexible adjustment and stable fixation of the pressure gauge position, and improving the service life and safety of the device.
Patent Information
- Application Number
- CN202520151552.6
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-01-22
- Publication Date
- 2025-12-26
- Estimated Expiration
- 2035-01-22
AI Technical Summary
The existing pressure gauge is not easy to observe after being connected to the external threaded connector of the oil pressure device detection position through the pressure test connector. Manual adjustment can easily damage the pressure gauge and make it difficult to guarantee airtightness.
A pressure testing connector for a hydraulic device was designed, comprising a pressure gauge connector, a hydraulic device detection position connector, an annular positioning groove, a sealing ring, and an adjustable positioning rod and adjusting ring. These structures enable flexible adjustment and stable locking of the pressure gauge position, ensuring airtightness.
It enables convenient adjustment and stable fixation of the pressure gauge position, avoids damage to the pressure gauge, and improves airtightness and service life.
Smart Images

Figure CN223725690U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to pressure test joint technical field, concretely is an oil pressure device pressure test joint. BACKGROUND
[0002] Pressure test joint is the equipment for sampling and system pressure detection of high pressure or low pressure fluid system, and there is a self-sealing valve in the pressure measuring joint, and the self-sealing valve is closed due to the action of spring when being used alone, and the self-sealing valve can be opened after being connected with the measuring hose or measuring joint with a thimble, and is used for sampling and system pressure detection of high pressure or low pressure fluid system.
[0003] At present, when the internal pressure of the oil pressure device is detected, an external thread joint is usually arranged at the detection position of the oil pressure device, then the pressure test joint with a pressure gauge installed on the top is screwed into the upper end of the external thread joint, but the visible surface of the pressure gauge is not necessarily located at a position convenient for observation after the pressure gauge is screwed and tightened with the external thread joint arranged at the detection position of the oil pressure device through the pressure test joint, and the rotation position of the pressure gauge is adjusted manually again, which not only easily causes damage to the pressure gauge, but also is difficult to guarantee the air tightness between the pressure gauge and the test joint, therefore, the utility model provides an oil pressure device pressure test joint. UTILITY MODEL CONTENTS
[0004] The utility model discloses a kind of oil pressure device pressure test joints, with the advantage of angle adjustment is convenient, solve the visible surface of the pressure gauge is not necessarily located at a position convenient for observation after the pressure gauge is screwed and tightened with the external thread joint arranged at the detection position of the oil pressure device through the pressure test joint, and the rotation position of the pressure gauge is adjusted manually again, which not only easily causes damage to the pressure gauge, but also is difficult to guarantee the air tightness between the pressure gauge and the test joint.
[0005] To achieve the above object, the utility model provides the following technical scheme: an oil pressure device pressure test joint, including pressure gauge connector, the upper end of the inner wall of the pressure gauge connector is provided with first annular positioning groove, the upper end of the inner chamber of the pressure gauge connector is provided with oil pressure device detection position connector, the lower end of the outer surface of the oil pressure device detection position connector is provided with second annular positioning groove, and the second annular positioning groove and the first annular positioning groove are provided with sealing rubber ring.
[0006] Preferably, the top of the pressure gauge connector is provided with a plurality of equally angularly distributed positioning insertion holes, the bottom of the pressure gauge connector is provided with an annular groove, the inner cavity of the annular groove is provided with a guide groove penetrating the outer surface of the pressure gauge connector around, the top of the inner cavity of the annular groove is fixedly connected with a plurality of equally angularly distributed springs, one end of the spring close to the oil pressure device detection position connector is fixedly connected with a movable ring sliding in the annular groove, and the side, away from the spring, of the movable ring is fixedly connected with a plurality of equally angularly distributed positioning insertion rods.
[0007] Preferably, the positioning insertion rod and the positioning insertion hole are matched, and the positioning insertion rod is inserted into the inner side of the positioning insertion hole.
[0008] Preferably, the outer surface of the movable ring is fixedly connected with a connecting block matched with the guide groove, and the side, away from the movable ring, of the connecting block is fixedly connected with an adjusting ring sliding on the outer surface of the lower end of the pressure gauge connector.
[0009] Preferably, the longitudinal section of the adjusting ring is a right trapezoid, and the outer surface of the adjusting ring is provided with anti-skid lines.
[0010] Preferably, the surfaces of the pressure gauge connector, the oil pressure device detection position connector and the adjusting ring are all provided with a first protective layer, and the outer side of the first protective layer is provided with a second protective layer.
[0011] Preferably, the material of the first protective layer is polyurethane coating, and the material of the second protective layer is aluminum oxide ceramic coating.
[0012] Compared with the prior art, the utility model has the beneficial effects as follows:
[0013] 1. The utility model discloses a pressure gauge connector is arranged, and after the pressure gauge is screwed on the upper end, the oil pressure device detection position connector is driven to be screwed with the external thread connector arranged on the oil pressure device detection position and is screwed, when the oil pressure device detection position connector is screwed with the external thread connector, the visual surface of the pressure gauge is inconvenient to observe, is influenced by the split setting of the pressure gauge connector and the oil pressure device detection position connector, and under the assistance of the first annular positioning groove, the sealing rubber ring and the second annular positioning groove, the relative position of the pressure gauge connector and the oil pressure device detection position connector can be rotated, so that the adjustment of the position observation surface of the pressure gauge can be realized.
[0014] 2. The utility model discloses a through adjusting ring and connecting block drive movable ring in annular groove compression spring, and with the movement of movable ring can drive the positioning plug rod exit corresponding positioning plug hole, then, can drive pressure gauge connector rotation, carry out the adjustment of pressure gauge observation position, after position is determined, relax adjusting ring, spring can drive movable ring in annular groove reset, and make the positioning plug rod insert in corresponding positioning plug hole, thereby realize the position locking between pressure gauge connector and oil pressure device detection position connector, guarantee the stability after pressure gauge position adjustment. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is first visual angle structure schematic diagram of the utility model;
[0016] Figure 2 It is second visual angle sectional structure schematic diagram of the utility model;
[0017] Figure 3 It is oil pressure device detection position connector structure schematic diagram of the utility model;
[0018] Figure 4 It is the cooperation structure schematic diagram of adjusting ring and movable ring of the utility model;
[0019] Figure 5 It is first protective layer structure schematic diagram of the utility model.
[0020] In the drawing: 1, pressure gauge connector;2, oil pressure device detection position connector;3, adjusting ring;4, first annular positioning groove;5, sealing rubber ring;6, second annular positioning groove;7, annular groove;8, spring;9, guide groove;10, connecting block;11, positioning plug rod;12, positioning plug hole;13, movable ring;14, first protective layer;15, second protective layer. DETAILED DESCRIPTION
[0021] The technical scheme in the embodiments of the utility model will be described clearly and completely below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of the utility model.
[0022] In the description of the utility model, unless otherwise specified, the meaning of "a plurality of" is two or more than two;The orientation or position relationship indicated by the terms "upper", "lower", "left", "right", "inner", "outer", "front end", "rear end", "head", "tail" and the like is based on the orientation or position relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and does not indicate or imply that the indicated device or element must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the utility model. In addition, the terms "first", "second", "third" and the like are only for the purpose of description, and cannot be understood as indicating or implying relative importance.
[0023] In the description of the utility model, it should be pointed out that, unless otherwise specified and limited, the terms "connected", "connected" should be broadly understood, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected;It can be mechanically connected, or it can be electrically connected;It can be directly connected, or it can be indirectly connected through an intermediate medium. For ordinary skilled persons in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.
[0024] The pressure gauge connector 1, the oil pressure device detection position connector 2, the adjusting ring 3, the first annular positioning groove 4, the sealing rubber ring 5, the second annular positioning groove 6, the annular groove 7, the spring 8, the guide groove 9, the connecting block 10, the positioning plug 11, the positioning hole 12, the movable ring 13, the first protective layer 14 and the second protective layer 15 parts of the application are general standard parts or parts known to those skilled in the art, and their structure and principle can be known by technical personnel through technical manual or through conventional experimental method.
[0025] Example one
[0026] Please refer to Figures 1-4 As shown in the utility model provides a technical scheme: an oil pressure device pressure test connector, including pressure gauge connector 1, the upper end of the inner wall of pressure gauge connector 1 is provided with the first annular positioning groove 4, the upper end of the inner cavity of pressure gauge connector 1 is provided with oil pressure device detection position connector 2, the lower end of the outer surface of oil pressure device detection position connector 2 is provided with the second annular positioning groove 6, and the sealing rubber ring 5 is arranged between the second annular positioning groove 6 and the first annular positioning groove 4.
[0027] The technical scheme: through the setting of the pressure gauge connector 1, the pressure gauge is screwed on the upper end, the oil pressure device detection position connector 2 is driven to be screwed with the external thread connector, when the oil pressure device detection position connector 2 is screwed with the external thread connector, the visible surface of the pressure gauge is inconvenient to observe, under the influence of the separate setting of the pressure gauge connector 1 and the oil pressure device detection position connector 2, the relative position of the pressure gauge connector 1 and the oil pressure device detection position connector 2 can be rotated under the assistance of the first annular positioning groove 4, the sealing rubber ring 5 and the second annular positioning groove 6, so that the observation surface of the pressure gauge position can be adjusted.
[0028] Example two
[0029] Based on the example one, the utility model discloses as shown in Figures 1-4 The top of the pressure gauge connector 1 is provided with a plurality of positioning insertion holes 12 distributed at equal angles, the bottom of the pressure gauge connector 1 is provided with an annular groove 7, the inner cavity of the annular groove 7 is provided with a plurality of guide grooves 9 penetrating through the outer surface of the pressure gauge connector 1 around, the top of the inner cavity of the annular groove 7 is fixedly connected with a plurality of springs 8 distributed at equal angles, one end of the spring 8 close to the oil pressure device detection position connector 2 is fixedly connected with a movable ring 13 sliding in the annular groove 7, the side of the movable ring 13 away from the spring 8 is fixedly connected with a plurality of positioning insertion rods 11 distributed at equal angles, the positioning insertion rod 11 is matched with the positioning insertion hole 12, and the positioning insertion rod 11 is inserted into the inside of the positioning insertion hole 12, the outer surface of the movable ring 13 is fixedly connected with a connecting block 10 matched with the guide groove 9, the side of the connecting block 10 away from the movable ring 13 is fixedly connected with an adjusting ring 3 sliding on the outer surface of the lower end of the pressure gauge connector 1, the longitudinal section of the adjusting ring 3 is a right trapezoid, and the outer surface of the adjusting ring 3 is provided with anti-skid lines.
[0030] The technical scheme: when the position of the pressure gauge needs to be observed and adjusted, the movable ring 13 can be compressed in the annular groove 7 through the adjusting ring 3 and the connecting block 10, the positioning insertion rod 11 can be driven to exit from the corresponding positioning insertion hole 12 with the movement of the movable ring 13, then the pressure gauge connector 1 can be driven to rotate, the observation position of the pressure gauge is adjusted, after the position is determined, the adjusting ring 3 is loosened, the spring 8 can drive the movable ring 13 to reset in the annular groove 7, and the positioning insertion rod 11 is inserted into the corresponding positioning insertion hole 12, so that the position between the pressure gauge connector 1 and the oil pressure device detection position connector 2 is locked, and the stability of the pressure gauge after position adjustment is guaranteed.
[0031] Example three
[0032] Based on the example one, the utility model discloses as shown in Figure 5As shown, the pressure gauge connector 1, the oil pressure device detection position connector 2 and the adjusting ring 3 are provided with a first protective layer 14, and the outer side of the first protective layer 14 is provided with a second protective layer 15, the material of the first protective layer 14 is polyurethane coating, and the material of the second protective layer 15 is aluminum oxide ceramic coating.
[0033] The technical scheme of the present application: through the setting of the first protective layer 14 and the second protective layer 15, two layers of protective materials can be added to the outside of the test connector, and the two materials have strong corrosion resistance and wear resistance, thereby prolonging the service life of the test connector.
[0034] Importantly, it should be noted that the construction and arrangement of the application shown in the various exemplary embodiments is illustrative only. Although only a few embodiments have been described in detail in this disclosure, those skilled in the art who review this disclosure will readily appreciate that many modifications are possible (e.g., variations in sizes, dimensions, structures, shapes and proportions of the various elements, values of parameters, mounting arrangements, use of materials, colors, orientations, etc.) without materially departing from the novel teachings and advantages of the subject matter described in the application. For example, elements shown as integrally formed can be constructed of multiple parts or elements, the position of elements can be reversed or otherwise varied, and the nature or number of elements or positions can be altered or varied. Accordingly, all such modifications are intended to be included within the scope of the present application. The order or sequence of any process or method steps can be changed or re-sequenced without departing from the subject matter. Any "means plus function" clauses are intended to cover the structures described herein as performing claimed functions and not only structural equivalents, but also equivalent structures. Other substitutions, modifications, changes, and omissions can be made in the design, operating conditions, and arrangement of the exemplary embodiments without departing from the scope of the present application. Accordingly, the present application is not limited to the particular embodiments described in the specification, but extends to any embodiments that would fall within the scope of the appended claims.
[0035] Furthermore, in an effort to provide a concise description of exemplary embodiments, all features of an actual implementation can not be described (i.e., those unrelated to the presently contemplated best mode of carrying out the present application, or those unrelated to enabling the claimed application).
[0036] Finally, it should be noted that the above-mentioned embodiments are only used to illustrate the technical solutions of the present application, and not to limit the protection scope of the present application, and although the present application has been described in detail with reference to the preferred embodiments, those skilled in the art should understand that the technical solutions of the present application can be modified or replaced by equivalents without departing from the essence and scope of the technical solutions of the present application.
Claims
1. An oil pressure device pressure testing adapter comprising a pressure gauge adapter (1), characterized by: The upper end of the inner wall of the pressure gauge connector (1) is provided with a first annular positioning groove (4), the upper end of the inner cavity of the pressure gauge connector (1) is provided with an oil pressure device detection position connector (2), the lower end of the outer surface of the oil pressure device detection position connector (2) is provided with a second annular positioning groove (6), the second annular positioning groove (6) and the first annular positioning groove (4) are provided with a sealing rubber ring (5), a plurality of equally angularly distributed positioning insertion holes (12) are formed in the top of the pressure gauge connector (1), an annular groove (7) is formed in the bottom of the pressure gauge connector (1), guide grooves (9) penetrating the outer surface of the pressure gauge connector (1) are formed around the inner cavity of the annular groove (7), a plurality of equally angularly distributed springs (8) are fixedly connected to the top of the inner cavity of the annular groove (7), the end of the spring (8) close to the oil pressure device detection position connector (2) is fixedly connected with a movable ring (13) sliding in the annular groove (7), a plurality of equally angularly distributed positioning insertion rods (11) are fixedly connected to the side of the movable ring (13) away from the spring (8), the positioning insertion rod (11) is matched with the positioning insertion hole (12), and the positioning insertion rod (11) is inserted into the inside of the positioning insertion hole (12), the outer surface of the movable ring (13) is fixedly connected with a connecting block (10) matched with the guide groove (9), the side of the connecting block (10) away from the movable ring (13) is fixedly connected with an adjusting ring (3) sliding on the outer surface of the lower end of the pressure gauge connector (1).
2. An oil pressure device pressure test adapter according to claim 1, characterized by: The longitudinal section of the adjusting ring (3) is a right trapezoid, and the outer surface of the adjusting ring (3) is provided with anti-skid lines.
3. The pressure test port for an oil pressure device of claim 1, wherein: The surfaces of the pressure gauge connector (1), the oil pressure device detection position connector (2) and the adjusting ring (3) are all provided with a first protective layer (14), and the outer side of the first protective layer (14) is provided with a second protective layer (15).
4. An oil pressure device pressure test adapter according to claim 3, characterized by: The material of the first protective layer (14) is polyurethane coating, and the material of the second protective layer (15) is aluminum oxide ceramic coating.