Pressure gauge for gearbox detection

Abstract

The utility model relates to the technical field of pressure gauges, and discloses a pressure gauge for gearbox detection, which comprises a pressure gauge, the bottom end of the pressure gauge is fixedly connected with a fixed joint, the bottom end of the fixed joint is fixedly connected with a hose, one side of the pressure gauge is sleeved with a protective shell in a threaded mode, and a protective cover is hinged to the side wall of the protective shell. A clamping assembly is arranged on one side of the protective cover and one side of the protective shell, an anti-falling assembly used for preventing a hose from falling off is arranged at the fixed connector, the protective cover cannot be accidentally opened in the process of being not used through the clamping assembly, and the pressure gauge is effectively protected against the influence of factors such as external collision and dust; the operation is simple and convenient, complex tools or tedious steps are not needed, and opening and closing clamping connection of the protective cover can be rapidly achieved.

Description

TECHNICAL FIELD

[0001] The utility model relates to pressure gauge technical field, specifically, relate to a pressure gauge for gearbox detection. BACKGROUND

[0002] Pressure gauge is to refer to the elastic element as the sensitive element, measures and indicates the instrument higher than ambient pressure, application is extremely common, it almost pervades all industrial flow and scientific research field, in the heat pipe network, oil and gas transmission, water supply and gas supply system, vehicle maintenance and repair factory and so on field everywhere can be seen. In the gearbox detection field, pressure gauge as the key detection equipment, its accuracy and stability are important to the detection result.

[0003] The existing device has some disadvantages in the using process, for example: the dial protection performance of the pressure gauge has the insufficient, can make the pressure gauge be damaged, thereby reduce the service life of the pressure gauge, generally can adopt the protective shell to protect the pressure gauge, but the protective shell is installed on the pressure gauge through the bolt fixed sleeve, after installation, the pressure gauge needs to disassemble the protective shell when operating and maintaining, and the operation is more troublesome. UTILITY MODEL CONTENT

[0004] The utility model discloses a pressure gauge for gearbox detection, solve the dial protection performance of the pressure gauge has the insufficient, can make the pressure gauge be damaged.

[0005] The utility model provides following technical scheme: a pressure gauge for gearbox detection, including pressure gauge, the fixed joint is fixedly connected at the bottom of pressure gauge, the fixed joint bottom is fixedly connected with the hose, the protection shell is sleeved with the thread on one side of pressure gauge, the protection cover is hinged on the side wall of protection shell, the clamping assembly is arranged on one side of protection cover and protection shell, the anti -drop -out assembly for preventing hose from falling off is arranged at the fixed joint.

[0006] As the preferred technical scheme, the clamping assembly includes the fixed plate fixed on the side wall of protection shell and the butt joint plate fixed on the side wall of protection cover, the circular bottom frame is fixedly connected on the side wall of fixed plate, the plug groove is formed in the circular bottom frame, the driving column is rotatably connected on the side wall of butt joint plate, the clamping block suitable for the plug groove is fixedly connected on the outer wall of the end of driving column away from butt joint plate, the hand push rod is fixedly connected on the side wall of driving column.

[0007] As the preferred technical scheme, the opening positioning column and the closing positioning column are fixedly installed on the side wall of circular bottom frame.

[0008] As the preferred technical scheme of the above, the anti-disengagement assembly comprises an anti-disengagement sleeve screwed to the bottom end of the pressure gauge and a fixing sleeve fixed to the outer wall of the hose, a plurality of supporting rods are fixedly arranged in an annular array on the lower end surface of the anti-disengagement sleeve, and a connecting cylinder is fixedly connected to the bottom end of the supporting rods and rotatably connected to the fixing sleeve.

[0009] As the preferred technical scheme of the above, the end of the hose away from the fixed joint is fixedly connected with a connecting head.

[0010] As the preferred technical scheme of the above, the driving column is inserted into the circular bottom frame.

[0011] Compared with the prior art, the utility model has the beneficial effects that:

[0012] In the utility model, the clamping assembly prevents the protective cover from being accidentally opened during non-use, effectively protecting the pressure gauge from external impacts, dust and other factors, and the driving column is driven to rotate by the hand push rod, thereby controlling the cooperation of the clamping block and the insertion slot, which is simple and convenient to operate, does not require complex tools or cumbersome steps, and can quickly open and close the clamping of the protective cover. BRIEF DESCRIPTION OF DRAWINGS

[0013] Figure 1 It is a whole three-dimensional structure schematic view of a pressure gauge for gearbox detection;

[0014] Figure 2 It is an explosion structure schematic view of a pressure gauge for gearbox detection;

[0015] Figure 3 It is a first explosion structure schematic view of a clamping assembly;

[0016] Figure 4 It is a second explosion structure schematic view of a clamping assembly.

[0017] In the drawing: 1, pressure gauge; 11, fixed joint; 12, hose; 13, protective shell; 14, protective cover; 15, connecting head; 2, clamping assembly; 21, fixed plate; 22, butt joint plate; 23, circular bottom frame; 231, opening positioning column; 232, closing positioning column; 24, insertion slot; 25, driving column; 26, clamping block; 27, hand push rod; 3, anti-disengagement assembly; 31, anti-disengagement sleeve; 32, fixing sleeve; 33, supporting rod; 34, connecting cylinder. DETAILED DESCRIPTION

[0018] The technical scheme in the embodiments of the utility model will be clearly and completely described in combination with the drawings in the embodiments of the utility model.

[0019] EMBODIMENT

[0020] As Figures 1-4As shown, the utility model provides a technical scheme a pressure gauge for gearbox detection, including pressure gauge 1, pressure gauge 1 bottom fixedly connected with fixed joint 11, fixed joint 11 bottom fixedly connected with hose 12, the end of hose 12 away from fixed joint 11 is fixedly connected with connector 15, pressure gauge 1 one side is provided with the protection shell 13 of thread sleeve, the side wall of protection shell 13 is hinged with the protective cover 14, the protective cover 14 and protection shell 13 one side are provided with clamping assembly 2, fixed joint 11 is provided with the anti -drop -out component 3 for preventing hose 12 from falling off, and in specific use process, the protection of pressure gauge 1 is provided through protective cover 14 and protection shell 13, and the pressure value is observed by quickly opening protective cover 14 through clamping assembly 2, when not looking at the value, protective cover 14 is covered and clamped fixed, which does not affect the normal work of pressure gauge 1, and can also play a protection function, when operating and maintaining, pressure gauge 1 can be quickly taken down by manually rotating protection shell 13, and the operation is relatively simple, and the hose 12 is prevented from falling off in the use process through the setting anti -drop -out component 3, to ensure that pressure can be accurately and stably transmitted to pressure gauge 1.

[0021] As one embodiment in the present embodiment, as shown in Figure 3 and Figure 4 As shown, clamping assembly 2 includes fixed plate 21 fixed on the side wall of protection shell 13 and butt joint plate 22 fixed on the side wall of protective cover 14, circular bottom frame 23 is fixedly connected on the side wall of fixed plate 21, and the circular bottom frame 23 is provided with insertion slot 24, driving column 25 is rotatably connected on the side wall of butt joint plate 22, driving column 25 is inserted into circular bottom frame 23, clamping block 26 suitable for insertion slot 24 is fixedly connected on the end wall of driving column 25 away from butt joint plate 22, hand push rod 27 is fixedly connected on the side wall of driving column 25, in specific use process, protective cover 14 is in the closed state, at this time, butt joint plate 22 and fixed plate 21 position correspond, the clamping block 26 of the end of driving column 25 is in a specific position, and is not inserted into the insertion slot 24 of circular bottom frame 23, then driving column 25 is rotated by manually bending hand push rod 27, the clamping block 26 of the end of driving column 25 is rotated, at this time, clamping block 26 is inserted into insertion slot 24, thereby the clamping fixation of protective cover 14 and protection shell 13 is completed, when the value of pressure gauge 1 needs to be observed, hand push rod 27 is pushed reversely, hand push rod 27 drives driving column 25 to rotate reversely, so that clamping block 26 is withdrawn from insertion slot 24, then protective cover 14 can be opened.

[0022] As one embodiment in the present embodiment, as shown in Figure 2As shown, the circular bottom frame 23 side wall is fixedly installed with opening positioning column 231 and closing positioning column 232, the hand push rod 27 will touch the closing positioning column 232 in the rotating process, at this time the operator can obviously feel the resistance, indicating that the clamping block 26 has been in the correct closing position, at this time the protective cover 14 cannot be opened, the hand push rod 27 is pushed in the reverse direction, the hand push rod 27 drives the driving column 25 to rotate in the reverse direction, when the driving column 25 rotates to the angle that the clamping block 26 completely exits the slot 24, the hand push rod 27 will touch the opening positioning column 231, the operator can also feel the resistance, which indicates that the clamping block 26 has been in the correct opening position, at this time the protective cover 14 can be opened.

[0023] As an embodiment in the embodiment, as shown in Figure 1 and Figure 2 As shown, the anti-falling assembly 3 includes an anti-falling sleeve 31 threaded on the bottom end of the pressure gauge 1 and a fixed sleeve 32 fixed on the outer wall of the hose 12, a plurality of supporting rods 33 are fixedly arranged in an annular array on the lower end surface of the anti-falling sleeve 31, and a connecting sleeve 34 is fixedly connected to the bottom ends of the plurality of supporting rods 33. The connecting sleeve 34 is rotationally connected with the fixed sleeve 32. In specific use, when one end of the hose 12 is fixed to the fixed connector 11, the anti-falling sleeve 31 is manually rotated to be threaded on the bottom end of the pressure gauge 1. When the pressure gauge 1 is in use, the hose 12 may be subjected to various external forces, such as pulling, vibration, etc. Through the structure, the hose 12 can be effectively prevented from being directly subjected to excessive pulling force during use, so as to ensure that the pressure can be accurately and stably transmitted to the pressure gauge 1, ensure the normal work of the pressure gauge 1, and improve the accuracy and reliability of the gearbox detection.

[0024] Working principle: in use, the protective cover 14 is in the closed state, at this time the abutting plate 22 is in position corresponding to the fixed plate 21, the clamping block 26 at the end of the driving column 25 is in a specific position and is not inserted into the slot 24 of the circular bottom frame 23, then the hand push rod 27 is manually bent to drive the driving column 25 to rotate, the clamping block 26 at the end of the driving column 25 rotates during the rotation of the driving column 25, at this time the clamping block 26 is inserted into the slot 24, thereby completing the clamping and fixing of the protective cover 14 and the protective shell 13. When the value of the pressure gauge 1 needs to be checked, the hand push rod 27 is pushed in the reverse direction, the hand push rod 27 drives the driving column 25 to rotate in the reverse direction, so that the clamping block 26 is withdrawn from the slot 24, and then the protective cover 14 can be opened.

[0025] The above embodiments are only used to illustrate the technical solutions of the present application, but not limit them.

Claims

1. A pressure gauge for gearbox detection, comprising a pressure gauge (1), the bottom end of the pressure gauge (1) is fixedly connected with a fixed joint (11), the bottom end of the fixed joint (11) is fixedly connected with a hose (12), characterized in that: The pressure gauge (1) one side threaded sleeve has the protective shell (13), the protective shell (13) side wall is hinged with the protective cover (14), the protective cover (14) and the protective shell (13) one side is provided with the clamping assembly (2), the fixed joint (11) is provided with the anti -drop assembly (3) for preventing the hose (12) from falling off.

2. A pressure gauge for detecting a transmission according to claim 1, characterized in that: The clamping assembly (2) includes a fixed plate (21) fixed to the side wall of the protective shell (13) and a butt plate (22) fixed to the side wall of the protective cover (14), the fixed plate (21) side wall is fixedly connected with the circular bottom frame (23), the circular bottom frame (23) is provided with the insertion slot (24), the butt plate (22) side wall is rotatably connected with the drive column (25), the end of the drive column (25) away from the butt plate (22) is fixedly connected with the clamping block (26) matched with the insertion slot (24), the drive column (25) side wall is fixedly connected with the hand push rod (27).

3. A pressure gauge for use in testing a gearbox according to claim 2, characterised in that: The circular bottom frame (23) side wall is fixedly installed with opening positioning column (231) and closing positioning column (232).

4. The pressure gauge for detecting a transmission according to claim 1, characterized in that: The anti -drop assembly (3) includes an anti -drop sleeve (31) threaded on the bottom end of the pressure gauge (1) and a fixed sleeve (32) fixed to the outer wall of the hose (12), the anti -drop sleeve (31) lower end surface annular array is fixed with a plurality of support rods (33), a plurality of the support rods (33) bottom is fixedly connected with the connecting barrel (34), the connecting barrel (34) is rotatably connected with the fixed sleeve (32).

5. The pressure gauge for detecting a transmission according to claim 1, characterized in that: The end of the hose (12) away from the fixed joint (11) is fixedly connected with the connector (15).

6. A pressure gauge for detecting a transmission according to claim 2, characterized in that: The drive column (25) is inserted into the circular bottom frame (23).

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