A rotary pressure sensor

Abstract

The utility model discloses a rotary pressure sensor relates to sensor technical field, including upper surface shell, the rear end of upper surface shell is installed with lower casing, the rear inner wall of lower casing is opened with ball hole, the inside movable sleeve of ball hole is equipped with ball head, the rear end of ball head is installed with pipe cap joint, the ball head is hemispherical structure, the front end of ball head is installed with conditioning chip, the rear end between conditioning chip and the front end of ball head is commonly provided with sealing ring, the front end of conditioning chip is installed with fixed ring, the inside movable sleeve of fixed ring is equipped with screw, and the screw thread is inserted into ball head. The utility model discloses a ball head and ball hole cooperation can take upper surface shell rotation, is suitable for more use scene, and convenient staff field operation and read data, through setting self -interrupting groove, when the table body is impacted by huge external force, guarantee that the force will not be conducted to the sealed interface, thereby guaranteeing that the seal does not leak.

Description

TECHNICAL FIELD

[0001] The utility model relates to sensor technical field, especially relate to a rotary pressure sensor. BACKGROUND

[0002] In the current era of rapid industrial development, the global sensor market is expanding, especially with the rapid development of the Internet of Things, smart home, industrial automation and other fields, the sensor market demand continues to grow. But for some specific application conditions, the general sensor can not meet the use demand.

[0003] The existing pressure sensor has the following disadvantages: 1. The existing pressure sensor is installed in some narrow and high places, and the dial and operation interface of the sensor are fixed, so it is not convenient for the operator to control the sensor or read the parameters; 2. When the medium contacted by the sensor of the existing pressure sensor is toxic or flammable and explosive, the seal at the contact between the sensor and the medium fails when the sensor head is impacted by external force, resulting in a dangerous accident of leakage, which needs to be further improved, therefore a rotary pressure sensor is proposed. UTILITY MODEL CONTENT

[0004] The main purpose of the utility model is to provide a rotary pressure sensor, which can effectively solve the problems in the background art.

[0005] To achieve the above purpose, the technical scheme adopted by the utility model is:

[0006] A rotary pressure sensor, comprising an upper shell, a lower shell body is installed at the rear end of the upper shell, a ball hole is formed on the rear inner wall of the lower shell body, a ball head is movably sleeved in the ball hole, a pipe cap joint is installed at the rear end of the ball head, the ball head is a hemispherical structure, a conditioning chip is installed at the front end of the ball head, a sealing ring is arranged between the rear end of the conditioning chip and the front end of the ball head, a fixing ring is installed at the front end of the conditioning chip, a screw is movably sleeved in the fixing ring, and the screw is screwed into the ball head.

[0007] Preferably, a plurality of self-breaking grooves in annular array are formed on the inner cylindrical surface of the ball hole.

[0008] Preferably, a locking ring is movably connected to the front part of the outer surface of the ball head, and the locking ring is fixed on the inner cylindrical surface of the ball hole.

[0009] Preferably, a display screen is installed at the front end of the upper shell, and a plurality of buttons are installed on the upper end of the display screen.

[0010] Preferably, a power cord is installed at the lower left part of the upper shell, and an output cord is installed at the lower right part of the upper shell.

[0011] Preferably, the power line and the output line are electrically connected with the display screen, and the conditioning chip is electrically connected with the display screen.

[0012] Compared with the prior art, the utility model has the advantages of the following beneficial effects:

[0013] The ball head and the ball hole are arranged to rotate the upper watch case, the upper watch case can rotate and swing under the support of the ball head, and the upper watch case can be applied to more use scenes, and the on-site operation and data reading of workers are facilitated.

[0014] When the watch body is impacted by a great external force, the watch body is broken at the self-breaking groove, the force is not transmitted to the sealing interface, the sealing is not leaked, and the safety is improved. BRIEF DESCRIPTION OF DRAWINGS

[0015] Figure 1 The whole structure schematic view is shown in the embodiment;

[0016] Figure 2 The right view structure schematic view is shown in the embodiment;

[0017] Figure 3 The partial sectional view structure schematic view is shown in the embodiment;

[0018] Figure 4 The structure schematic view of the lower shell is shown in the embodiment;

[0019] Figure 5 The rotation structure schematic view of the upper watch case is shown in the embodiment;

[0020] Figure 6 The swing structure schematic view of the upper watch case is shown in the embodiment.

[0021] In the figure, 1 is an upper watch case, 2 is a display screen, 3 is a button, 4 is a power line, 5 is an output line, 6 is a pipe cap joint, 7 is a lower shell, 8 is a screw, 9 is a fixing ring, 10 is a conditioning chip, 11 is a sealing ring, 12 is a locking ring, 13 is a ball hole, 14 is a self-breaking groove, and 15 is a ball head. DETAILED DESCRIPTION

[0022] In order to make the technical means, creative features, purposes and effects of the utility model easy to understand, the utility model is further described in combination with the specific implementation manner.

[0023] In the description of the utility model, it needs to explain, the term "upper", "lower", "inner", "outer", "front end", "rear end", "two ends", "one end", "the other end" and so on indicate the position relation or position relation based on the position relation shown in the drawing, only for the convenience of describing the utility model and simplifying the description, and not indicate or imply that the device or element indicated must have a particular orientation, a particular orientation and operation, therefore, it cannot be understood as a limitation on the utility model. In addition, the term "first", "second" is only for the purpose of description, and cannot be understood as indicating or implying relative importance.

[0024] In the description of the utility model, it needs to explain, unless otherwise specified and limited, the terms "installation", "provided with", "connection" and so on should be understood broadly, for example, "connection", can be fixed connection, can also be detachable connection, or integrally connected, can be mechanical connection, can also be electrical connection, can be directly connected, can also be indirectly connected through intermediate medium, can be the communication inside two elements. For ordinary skilled in the art, the specific meaning of the above terms in the utility model can be understood according to the specific circumstances.

[0025] As shown in Figures 1-6 A rotary pressure sensor, including upper surface shell 1, the rear end of upper surface shell 1 is provided with lower shell 7, the rear inner wall of lower shell 7 is provided with ball hole 13, the inside of ball hole 13 movably sheaths ball head 15, the rear end of ball head 15 is provided with pipe cap joint 6, ball head 15 is semispherical structure, the front end of ball head 15 is plane, ball head 15 is provided with conditioning chip 10 at the front end, sealing ring 11 is arranged between the rear end of conditioning chip 10 and the front end of ball head 15, sealing ring 11 improves the sealing property between conditioning chip 10 and ball head 15, conditioning chip 10 is provided with fixed ring 9 at the front end, screw 8 is movably sheathed in the inside of fixed ring 9, screw 8 is screwed into ball head 15, and fixed ring 9 is used to fix conditioning chip 10.

[0026] When the watch body is impacted by great external force, in order to avoid that the force is not transmitted to the sealing interface between conditioning chip 10 and ball head 15, a plurality of self-breaking grooves 14 in annular array are arranged on the inner cylindrical surface of ball hole 13, and the thickness of the inner wall of ball hole 13 is reduced by self-breaking grooves 14.

[0027] In order to avoid that ball head 15 is separated from ball hole 13, locking ring 12 is movably connected to the front part of the outer surface of ball head 15, and locking ring 12 is fixed on the inner cylindrical surface of ball hole 13.

[0028] The front end of the upper shell 1 is provided with a display screen 2 for displaying data, and a plurality of buttons 3 are arranged on the upper end of the display screen 2 and used for sensor control; the lower left end of the upper shell 1 is provided with a power line 4 for power transmission; the lower right end of the upper shell 1 is provided with an output line 5 for facilitating connection with external equipment; the power line 4 and the output line 5 are electrically connected with the display screen 2; and a conditioning chip 10 is electrically connected with the display screen 2.

[0029] The utility model provides a kind of rotary pressure sensor, when using, the pressure data can be shown by display screen 2, screw 8 is installed in specified position, under the support of ball head 15, the upper shell 1 can rotate around the axis position of screw 8, under the support of ball head 15, with ball head 15 ball center arbitrary direction rotation 60 °, convenient for staff on-site operation and reading data, when the upper shell 1 and lower shell 7 are impacted by huge external force, the table body will be broken at self break groove 14, ball head 15 is separated from lower shell 7, so that acting force cannot be conducted to conditioning chip 10 and ball head 15 sealed interface, to ensure that sealing does not leak, improve safety.

[0030] The above shows and describes the basic principle and main features of the utility model and the advantages of the utility model. Those skilled in the art should understand that the utility model is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principle of the utility model. Without departing from the spirit and scope of the utility model, the utility model can have various changes and improvements, and these changes and improvements all fall within the scope of the claimed utility model. The scope of protection of the utility model is defined by the appended claims and their equivalents.

Claims

1. A rotary pressure sensor comprising an upper housing (1), characterized in that: The rear end of the upper shell (1) is provided with a lower shell (7), a ball hole (13) is arranged on the inner wall of the rear end of the lower shell (7), a ball head (15) is movably sleeved in the ball hole (13), a pipe cap joint (6) is arranged on the rear end of the ball head (15), the ball head (15) is a semispherical structure, a conditioning chip (10) is arranged on the front end of the ball head (15), a sealing ring (11) is arranged between the rear end of the conditioning chip (10) and the front end of the ball head (15), a fixing ring (9) is arranged on the front end of the conditioning chip (10), a screw (8) is movably sleeved in the fixing ring (9), and the screw (8) is screwed into the ball head (15).

2. The rotary pressure sensor of claim 1, wherein: A plurality of self-breaking grooves (14) are arranged on the inner cylindrical surface of the ball hole (13) in an annular array.

3. The rotary pressure sensor of claim 1, wherein: The outer surface of the ball head (15) is movably connected with a locking ring (12), and the locking ring (12) is fixed on the inner cylindrical surface of the ball hole (13).

4. The rotary pressure sensor of claim 1, wherein: The front end of the upper shell (1) is provided with a display screen (2), and a plurality of buttons (3) are arranged on the upper end of the display screen (2).

5. The rotary pressure sensor of claim 1, wherein: The lower end of the upper shell (1) is provided with a power line (4) on the left side, and an output line (5) is arranged on the right side of the lower end of the upper shell (1).

6. The rotary pressure sensor of claim 5, wherein: The power line (4) and the output line (5) are electrically connected with the display screen (2), and the conditioning chip (10) is electrically connected with the display screen (2).

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