Automobile oil pipe pressure testing device
By using a geared motor to drive the lead screw and internal threaded sleeve to push the pressure plate downward, hydraulic oil is squeezed into the oil pipe, which solves the problem of insufficient pressure in the existing device and realizes accurate oil pipe pressure testing and safe hydraulic oil management.
Patent Information
- Application Number
- CN202422184085.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-09-06
- Publication Date
- 2025-10-21
- Estimated Expiration
- 2034-09-06
Smart Images

Figure CN223461379U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to an automobile oil pipe production technical field, concretely relates to an automobile oil pipe pressure testing device. BACKGROUND
[0002] The automobile oil pipe is one kind of automobile accessories, is the component part of automobile high pressure oil circuit, requires that the oil pipe needs to bear certain oil pressure and has certain fatigue strength, guarantees the sealing requirement of pipeline, and the automobile oil pipe mainly appears in the high pressure injection diesel engine and the high pressure injection direct injection gasoline engine, can bear the oil pressure required in the engine operation process.
[0003] The automobile oil pipe is in the production process, will use the pressure testing device to test its pressure bearing capacity, the existing automobile oil pipe pressure testing device all is through the oil pump to draw hydraulic oil, and the hydraulic oil is delivered to the automobile oil pipe, the power of the oil pump is small, cannot give the oil pipe in the inside higher pressure, therefore puts forward an automobile oil pipe pressure testing device, the deceleration motor works through the screw rod and the internal thread sleeve and pushes the pressure plate to move down, extrudes the hydraulic oil in the oil storage tank, and the hydraulic oil is delivered to the automobile oil pipe, can give the automobile oil pipe in the inside enough pressure. UTILITY MODEL CONTENTS
[0004] In view of the problems in the prior art, the utility model provides an automobile oil pipe pressure testing device, a deceleration motor works through a screw rod and an internal thread sleeve and pushes a pressure plate to move down, extrudes hydraulic oil in an oil storage tank, and the hydraulic oil is delivered to an automobile oil pipe, can give the automobile oil pipe in the inside enough pressure.
[0005] The utility model solves the technical scheme that it adopts a kind of automobile oil pipe pressure testing device, including the oil storage tank being arranged at the one end of box body, the oil storage tank top is provided with pressurizing component, the pressurizing component includes the structure frame being fixed on the oil storage tank top by bolt, the structure frame top is installed with deceleration motor by mounting bracket, bearing rotates and connects with screw rod between the structure frame and the oil storage tank, the internal thread sleeve is equipped on the outside of screw rod, the connecting rod is fixed on the both sides of internal thread sleeve by bolt, the connecting rod bottom end in the inside of oil storage tank is fixed with pressure plate by bolt;
[0006] The oil storage tank is located at the one side in the inside of box body and is provided with oil storage component, the oil storage component includes the oil outlet pipe being connected to the one side of oil storage tank by thread groove, one end of the oil outlet pipe is connected with one-way valve by thread groove, one end of the one-way valve is connected with pressure gauge by pipeline, the inside of box body is fixed with layer board by bolt.
[0007] Through adopting above-mentioned technical scheme, deceleration motor works through screw rod and internal thread sleeve and pushes the pressure plate at the bottom end of connecting rod to move down, extrudes hydraulic oil in oil storage tank, so that hydraulic oil flows to automobile oil pipe in oil outlet pipe.
[0008] Specific, the deceleration motor bottom output shaft is fixedly connected with the screw rod top end through the connecting sleeve, and the pressing plate outer side is provided with a sealing ring.
[0009] Specific, the box body is provided with a reflux pipe at one end away from the oil storage tank, the reflux pipe top end is connected with a valve through a threaded groove, the valve is located inside the box body on the top of the layer plate, and the reflux pipe bottom end is located inside the box body on the bottom of the layer plate.
[0010] Specific, the layer plate is provided with through holes at equal intervals, the box body is provided with a reserved hole at one end, and the oil outlet pipe penetrates the reserved hole.
[0011] Specific, the box body top is fixedly provided with a transparent protective cover through a clamping groove.
[0012] Specific, the oil storage tank top is provided with an oil inlet at one end.
[0013] The automobile oil pipe pressure testing device has the advantages that:
[0014] The automobile oil pipe pressure testing device disclosed by the utility model opens the deceleration motor to drive the screw rod to rotate, the screw rod rotation drives the inner thread sleeve to move downwards, the inner thread sleeve moves downwards to drive the pressing plate to move downwards through the inner thread sleeve, the hydraulic oil in the oil storage tank is extruded, the hydraulic oil in the oil storage tank is conveyed into the automobile oil pipe through the oil outlet pipe, and the automobile oil pipe is subjected to pressure test.
[0015] The automobile oil pipe pressure testing device disclosed by the utility model covers the box body with the transparent protective cover, can prevent the hydraulic oil from splashing out when the automobile oil pipe cracks and explodes, the splashed hydraulic oil is blocked by the transparent protective cover and falls on the layer plate, and then flows to the bottom of the box body through the multiple through holes, and after the pressure test is completed, the valve is opened, so that the hydraulic oil in the automobile oil pipe can be returned to the box body through the reflux pipe. BRIEF DESCRIPTION OF DRAWINGS
[0016] The utility model will be further explained in connection with the drawings and examples.
[0017] Figure 1 It is the box body section view of the utility model;
[0018] Figure 2 It is the oil storage tank structure schematic view of the utility model;
[0019] Figure 3 It is the pressurizing assembly structure schematic view of the utility model;
[0020] Figure 4 It is the air inlet assembly structure schematic view of the utility model;
[0021] Figure 5The utility model discloses a storage oil assembly structure schematic view.
[0022] In the drawing: 1, box body; 2, oil storage tank; 3, pressurizing assembly; 301, structure frame; 302, speed reducer; 303, screw rod; 304, internal thread sleeve; 305, connecting rod; 306, pressing plate; 307, sealing ring; 4, transparent protective cover; 5, storage oil assembly; 501, oil outlet pipe; 502, check valve; 503, pressure gauge; 504, pipe joint; 6, layer board; 7, through hole; 8, return pipe; 9, valve; 10, reserved hole; 11, oil inlet. DETAILED DESCRIPTION
[0023] In order to make the technical means, creation features, purposes and effects of the utility model easy to understand, the utility model is further described below in combination with specific embodiments.
[0024] The speed reducer works to push the pressing plate down through the screw rod and the internal thread sleeve, extrude the hydraulic oil in the oil storage tank and deliver it to the automobile oil pipe, which can provide sufficient pressure in the automobile oil pipe, for example, the pressure in the automobile oil pipe can reach 10-15MPa. Figures 1-5 As shown in the utility model, the automobile oil pipe pressure testing device comprises an oil storage tank 2 arranged at one end of a box body 1, a pressurizing assembly 3 arranged at the top of the oil storage tank 2, a structure frame 301 fixed to the top of the oil storage tank 2 by bolts, a speed reducer 302 installed on the top of the structure frame 301 by a mounting frame, a screw rod 303 rotatably connected between the structure frame 301 and the oil storage tank 2 by a bearing, an internal thread sleeve 304 sleeved outside the screw rod 303, connecting rods 305 fixed on both sides of the internal thread sleeve 304 by bolts, and a pressing plate 306 fixed at the bottom end inside the oil storage tank 2 of the connecting rods 305 by bolts.
[0025] The oil storage assembly 5 is arranged at one side of the oil storage tank 2 inside the box body 1, and comprises an oil outlet pipe 501 connected to one side of the oil storage tank 2 by a thread groove, a check valve 502 connected to one end of the oil outlet pipe 501 by a thread groove, a pressure gauge 503 connected to one end of the check valve 502 by a pipeline, and a layer board 6 fixed inside the box body 1 by bolts.
[0026] In use, the speed reducer 302 works to push the connecting rods 305 and the pressing plate 306 at the bottom end of the connecting rods 305 down through the screw rod 303 and the internal thread sleeve 304, extrude the hydraulic oil in the oil storage tank 2, and make the hydraulic oil flow to the automobile oil pipe through the oil outlet pipe 501.
[0027] For example, as shown in the utility model, the bottom output shaft of the speed reducer 302 is fixedly connected to the top end of the screw rod 303 through a connecting sleeve, and the outer side of the pressing plate 306 is sleeved with a sealing ring 307. Figure 4 For example, as shown in the utility model, the bottom output shaft of the speed reducer 302 is fixedly connected to the top end of the screw rod 303 through a connecting sleeve, and the outer side of the pressing plate 306 is sleeved with a sealing ring 307.
[0028] In use, the deceleration motor 302 is used to drive the screw rod 303 to rotate, and the sealing ring 307 is used to seal between the pressing plate 306 and the oil storage tank 2.
[0029] As shown in the example, Figure 2 The utility model also includes, the one end of the box body 1 is provided with the backflow pipe 8 away from the oil storage tank 2, the top end of backflow pipe 8 is connected with valve 9 through thread groove, valve 9 is located in the inside of the box body 1 on the top of the layer board 6, the bottom end of backflow pipe 8 is located in the inside of the box body 1 on the bottom of the layer board 6.
[0030] In use, opening valve 9 can make the hydraulic oil in the automobile oil pipe flow to the bottom of the box body 1 through backflow pipe 8.
[0031] As shown in the example, Figure 2 The utility model also includes, the inside of layer board 6 is provided with through hole 7 at equal intervals, one end of box body 1 is provided with reserved hole 10, and oil outlet pipe 501 passes through reserved hole 10.
[0032] In use, the through hole 7 is convenient for the hydraulic oil splashed out when the automobile oil pipe cracks to fall to the bottom of the box body 1, and the reserved hole 10 is convenient for the oil outlet pipe 501 to be inserted into the box body 1.
[0033] As shown in the example, Figure 1 The utility model also includes, the top of box body 1 is fixed with transparent protective cover 4 through clamping groove.
[0034] In use, the transparent protective cover 4 covers on the box body 1, can block the hydraulic oil splashed out when the automobile oil pipe cracks and is damaged.
[0035] As shown in the example, Figure 1 The utility model also includes, the top of oil storage tank 2 is provided with oil inlet 11.
[0036] In use, the hydraulic oil can be filled into the oil storage tank 2 through the oil inlet 11.
[0037] In use, personnel pour the hydraulic oil into the oil storage tank 2 through the oil inlet 11, one end of the automobile oil pipe to be tested is fixed on one end of the oil outlet pipe 501 through the pipeline joint 504, and the other end of the automobile oil pipe is fixed on the valve 9.
[0038] The opening of the deceleration motor 302 drives the rotation of the lead screw 303, the rotation of the lead screw 303 drives the downward movement of the inner threaded sleeve 304, the downward movement of the inner threaded sleeve 304 drives the downward movement of the pressing plate 306, the hydraulic oil in the oil storage tank 2 is extruded, the hydraulic oil in the oil storage tank 2 is delivered to the automobile oil pipe through the oil outlet pipe 501, and the automobile oil pipe is pressure tested;
[0039] The one-way valve 502 can prevent the hydraulic oil in the automobile oil pipe from flowing back to the oil storage tank 2, and the pipeline joint 504 facilitates the understanding of the pressure in the automobile oil pipe;
[0040] When the automobile oil pipe pressure test is performed, the transparent protective cover 4 is covered on the box body 1, the hydraulic oil splashed out when the automobile oil pipe cracks and explodes can be prevented, the splashed hydraulic oil is blocked by the transparent protective cover 4 and falls on the layer plate 6, then flows to the bottom of the box body 1 through the plurality of through holes 7, and the hydraulic oil in the automobile oil pipe can flow back to the box body 1 through the backflow pipe 8 after the valve 9 is opened.
[0041] The basic principle, main features and advantages of the utility model are shown and described above. It should be understood by those skilled in the art that the utility model is not limited by the above embodiments, the above embodiments and the description in the specification are only to illustrate the principle of the utility model, various changes and improvements can be made to the utility model without departing from the spirit and scope of the utility model, and these changes and improvements all fall within the scope of the utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.
Claims
1. An automotive oil pipe pressure testing device characterized by comprising: Including the box body (1) one end is provided with oil storage tank (2), oil storage tank (2) top is provided with pressurizing assembly (3), pressurizing assembly (3) including the structure frame (301) through bolt fixation in oil storage tank (2) top, the structure frame (301) top is installed with the reduction motor (302) through the mounting bracket, the structure frame (301) with oil storage tank (2) between through bearing rotationally connected with the lead screw (303), the lead screw (303) outside is equipped with the internal thread sleeve (304), the internal thread sleeve (304) both sides are fixed with the connecting rod (305) through bolt, the connecting rod (305) bottom end in the oil storage tank (2) inside is fixed with the pressing plate (306) through bolt; Oil storage tank (2) is located in the box body (1) inside one side is provided with oil storage assembly (5), the oil storage assembly (5) including the oil outlet pipe (501) through the thread groove connection in oil storage tank (2) one side, the oil outlet pipe (501) one end is connected with the check valve (502) through the thread groove, the check valve (502) one end is connected with the pressure gauge (503) through pipeline, the box body (1) inside is fixed with the layer board (6) through bolt.
2. The automotive oil pipe pressure testing device according to claim 1, wherein The reduction motor (302) bottom output shaft is fixedly connected with the lead screw (303) top end through the connecting sleeve, the pressing plate (306) outside is equipped with the sealing ring (307).
3. The automotive oil pipe pressure testing device according to claim 1, wherein The box body (1) is provided with the return pipe (8) in the side away from the oil storage tank (2) one end, the return pipe (8) top is connected with the valve (9) through the thread groove, the valve (9) is located in the box body (1) in the layer board (6) top inside, the return pipe (8) bottom end is located in the box body (1) in the layer board (6) bottom inside.
4. The automotive oil pipe pressure testing device according to claim 1, wherein The layer board (6) inside equidistantly is provided with the through hole (7), the box body (1) one end is provided with the reserved hole (10), the oil outlet pipe (501) penetrates the reserved hole (10).
5. The automotive oil pipe pressure testing device according to claim 1, wherein The box body (1) top is fixed with the transparent protective cover (4) through the clamping groove.
6. The automotive oil line pressure testing device of claim 1, wherein, The oil storage tank (2) top one end is provided with the oil inlet (11).