Pressure gauge and gauge movement

Abstract

The pressure gauge comprises a gauge body, a dial plate is installed at the front end of an inner frame of the gauge body, a rotating cap is installed at the axis position of the dial plate, a connecting pipe is installed at the liquid inlet end of the gauge body, one end of the connecting pipe penetrates through the bottom of the gauge body and is fixedly communicated with a cavity pipe seat, and an elastic pipe is installed on the outer wall of the cavity pipe seat. According to the pressure gauge and the gauge movement, liquid enters the inner cavity of the gauge body through the connecting pipe and is guided into the cavity tube seat through the connecting pipe, and after the elastic tube butted with the outer wall of the cavity tube seat is impacted by the liquid outlet part of the cavity tube seat, the elastic tube expands elastically, so that the liquid is discharged from the liquid outlet part of the cavity tube seat. Meanwhile, the first connecting piece connected to one end of the elastic tube can drive the connecting piece to swing, the connecting piece can rotate through the arc piece connected with the notch piece, and therefore swing control over the arc piece is achieved.

Description

Technical Field

[0001] The utility model relates to the technical field of a pressure gauge and a gauge movement, in particular to a pressure gauge and a gauge movement. Background Art

[0002] A pressure gauge is an instrument that uses an elastic element as a sensitive element to measure and indicate pressure higher than the ambient pressure. It is widely used in almost all industrial processes and scientific research fields, and can be seen everywhere in thermal pipelines, oil and gas transmission, water and gas supply systems, vehicle repair and maintenance shops, etc.

[0003] For example, a pressure gauge movement and a pressure gauge disclosed in Patent Publication No. 201910660916.2, the key points of its technical solution are: the pressure gauge movement includes a gear shaft, fan teeth and an elastic tube, the gear set is fixedly connected to the pointer and drives the pointer to rotate, the fan teeth are meshed with the gear shaft and drive the gear shaft to rotate, it should be mentioned that the fan teeth rotate around a fixed axis; the inside of the elastic tube is through and curved; a concave hole is provided on the fan teeth, and an insert that can be inserted into the concave hole is fixed at one end of the elastic tube. When the pointer in the dial is vibrated and shakes, resulting in a tendency to swing back, the elastic tube with elasticity makes the insert connected to the elastic tube abut against the inner side of the concave hole on the fan teeth, pulling the fan teeth so that the fan teeth cannot rotate back, thereby constraining the rotation of the gear shaft and preventing the pointer from swinging back.

[0004] The pressure gauge mentioned above describes the problem that the rotation of the gear shaft prevents the pointer from swinging back, and the design uses an elastic tube and its components. However, in practice, the problem that the pointer cannot return to its original position lies in the design of the torsion spring. Simply installing a torsion spring on the pointer shaft cannot maximize the resetting of the pointer. Utility Model Content

[0005] The utility model aims to solve the shortcomings in the prior art and proposes a pressure gauge and a gauge movement.

[0006] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme: a pressure gauge and a gauge movement, including a gauge body, a dial is installed at the front end of the inner frame of the gauge body, a rotating cap is installed at the axial center of the dial, a connecting pipe is installed at the liquid inlet end of the gauge body, one end of the connecting pipe passes through the bottom of the gauge body and is fixedly connected to a cavity tube seat, an elastic tube is installed on the outer wall of the cavity tube seat, one end of the elastic tube is fixedly connected to an arc bar, the bottom end of the arc bar is fixedly connected to a connecting piece 1, the outer wall of the connecting piece 1 is hinged with a connecting piece, one end of the connecting piece is hinged with a notch piece, a vertical column 2 is installed at the axial center of the upper surface of the notch piece, one end of the vertical column 2 passes through the top of the notch piece and is fixedly connected to the back of the gauge body.

[0007] As a further description of the above technical solution:

[0008] The outer wall of the notch piece is rotatably connected with an arc piece, the outer wall of the arc piece is provided with a tooth opening, and the tooth opening portion is in contact with a tooth column.

[0009] As a further description of the above technical solution:

[0010] A top plate is installed at the top of the tooth column, and both ends of the top plate are fixedly connected to side plates. Vertical column 1 and vertical column 2 are respectively installed on the upper parts of the two groups of side plates. One end of the vertical column 1 and the vertical column 2 penetrates the upper part of the side plate and is fixedly connected to a connecting block.

[0011] As a further description of the above technical solution:

[0012] A torsion spring is fixedly connected to the lower portion of the outer wall of the axial rod of the connecting block, a vertical column 1 is arranged on one side of the elastic control end of the torsion spring, and the torsion spring is arranged in contact with the vertical column 1.

[0013] As a further description of the above technical solution:

[0014] One end of the connection block is fixedly connected with a connecting piece, the left and right sides of the back of the connecting piece are both equipped with studs, and the bottom end of the connecting piece is fixedly connected with a docking block.

[0015] As a further description of the above technical solution:

[0016] The dial end of the watch body is fixedly connected with a pin, and the supporting end of the pin is fixedly connected with a leg.

[0017] As a further description of the above technical solution:

[0018] The axial center of the tooth column passes through the back of the watch body and is fixedly connected to the watch shaft. A welding piece is fixedly connected to the upper part of the back of the watch shaft. The outer wall of the welding piece is rotatably connected to a fixing ring. The outer wall of the fixing ring is fixedly connected to a top block. The front end of the top block is fixedly connected to a laminated block. A torsion spring is installed on the inner cavity wall of the fixing ring.

[0019] The utility model has the following beneficial effects:

[0020] 1. Compared with the prior art, the pressure gauge and the gauge movement allow liquid to enter the inner cavity of the gauge body through the connecting pipe, and introduce the liquid into the cavity tube seat through the connecting pipe. After the elastic tube connected to the outer wall of the cavity tube seat is impacted by the liquid outlet of the cavity tube seat, the elastic tube expands elastically, and at the same time, a connecting piece connected to one end of the elastic tube will drive the connecting piece to swing, and the arc piece connected to the connecting piece through the notch piece will rotate, thereby controlling the swing of the arc piece.

[0021] 2. Compared with the prior art, the pressure gauge and the gauge movement, through the swing of the arc piece, the tooth column contacted by the outer wall of the arc piece will also rotate, and the torsion spring connected to the lower part of the outer wall of the tooth column will also shrink. When the pressure becomes smaller, the torsion spring expands outward and drives the tooth column to rotate in the opposite direction. At the same time, the arc piece will also swing in the opposite direction to achieve the elastic contraction of the elastic tube. When the tooth column rotates, one end of the tooth column docks with the table shaft on the dial of the meter body to drive the table shaft to rotate. At the same time, the torsion spring connected to the table shaft is also used to reset the table shaft, and the torsion spring is positioned by a fixing ring. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] Figure 1 This is a structural schematic diagram of a pressure gauge and a gauge movement provided by the utility model;

[0023] Figure 2 This is a schematic diagram of the internal structure of a pressure gauge and a gauge movement provided by the utility model;

[0024] Figure 3 This is a structural schematic diagram of a pressure gauge and a dial of a gauge movement proposed by the utility model;

[0025] Figure 4 The utility model provides a pressure gauge, a dial of a gauge movement and a structural schematic diagram of components.

[0026] Legend:

[0027] Meter body 1, dial 2, rotating cap 3, connecting pipe 4, connecting piece 1 5, arc bar 6, elastic tube 7, arc piece 8, torsion spring 9, tooth column 10, connecting block 11, vertical column 1 12, side piece 13, top piece 14, cavity tube seat 15, vertical column 2 16, notch piece 17, connecting piece 18, meter shaft 19, connecting piece 20, stud 21, docking block 22, pin 23, support leg 24, fixing ring 25, torsion spring 26, top block 27, laminated block 28, welding piece 29. DETAILED DESCRIPTION

[0028] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0029] Reference Figure 1-4The utility model provides a pressure gauge and a gauge movement: comprising a gauge body 1, a dial 2 is installed at the front end of the inner frame of the gauge body 1, a rotating cap 3 is installed at the axial center of the dial 2, a pipe 4 is installed at the liquid inlet end of the gauge body 1, one end of the pipe 4 passes through the bottom of the gauge body 1 and is fixedly connected to a cavity tube seat 15, an elastic tube 7 is installed on the outer wall of the cavity tube seat 15, one end of the elastic tube 7 is fixedly connected to an arc strip 6, the bottom end of the arc strip 6 is fixedly connected to a connecting piece 5, and the connecting piece 5 is fixedly connected to the bottom end of the arc strip 6. The outer wall is hinged with a connecting piece 18, one end of the connecting piece 18 is hinged with a slotted piece 17, a vertical column 16 is installed at the axial position of the upper surface of the slotted piece 17, one end of the vertical column 16 passes through the top of the slotted piece 17 and is fixedly connected to the back of the watch body 1, the outer wall of the slotted piece 17 is rotatably connected with an arc piece 8, the outer wall of the arc piece 8 is provided with a tooth opening, and the tooth opening part is in contact with a tooth column 10, the top of the tooth column 10 is installed with a top piece 14, and both ends of the top piece 14 are fixedly connected A side piece 13 is connected, and a vertical column 12 and a vertical column 2 16 are respectively installed on the upper parts of the two groups of side pieces 13. One end of the vertical column 12 and the vertical column 2 16 penetrates the upper part of the side piece 13 and is fixedly connected to a connecting block 11. The lower part of the outer wall of the axial rod of the connecting block 11 is fixedly connected to a torsion spring 9. The liquid enters the inner cavity of the meter body 1 through the connecting pipe 4, and is introduced into the cavity tube seat 15 through the connecting pipe 4. After the elastic tube 7 connected to the outer wall of the cavity tube seat 15 is impacted by the liquid outlet part of the cavity tube seat 15, the elastic tube 7 is elastically expanded. At the same time, the connecting piece 15 connected to one end of the elastic tube 7 will drive the connecting piece 18 to swing, and the arc piece 8 connected to the connecting piece 18 through the notch piece 17 will rotate, thereby being used to control the swing of the arc piece 8. After the arc piece 8 swings, the tooth column 10 contacted by the outer wall of the arc piece 8 will also rotate, and the torsion spring 9 connected to the lower part of the outer wall of the tooth column 10 will also shrink.

[0030] Reference Figure 2-4A vertical column 12 is provided on one side of the elastic control end of the torsion spring 9, and the torsion spring 9 is contacted with the vertical column 12. A connecting piece 20 is fixedly connected to one end of the connecting block 11, and studs 21 are installed on the left and right sides of the back of the connecting piece 20. The bottom end of the connecting piece 20 is fixedly connected to a docking block 22. The dial end of the meter body 1 is fixedly connected to a pin 23, and the supporting end of the pin 23 is fixedly connected to a leg 24. The axial part of the tooth column 10 passes through the back of the meter body 1 and is fixedly connected to a meter shaft 19. The upper part of the back of the meter shaft 19 is fixedly connected to a welding piece 29, and the outer wall of the welding piece 29 is rotatably connected to a fixing ring 25. The outer wall of the fixed ring 25 is fixedly connected with a top block 27, and the front end of the top block 27 is fixedly connected with a laminated block 28. The inner cavity wall of the fixed ring 25 is installed with a torsion spring 26. When the pressure decreases, the torsion spring 9 expands outward and drives the tooth column 10 to rotate in the opposite direction. At the same time, the arc piece 8 will also swing in the opposite direction to achieve the elastic contraction of the elastic tube 7. When the tooth column 10 rotates, one end of the tooth column 10 docks with the table shaft 19 on the dial of the watch body 1 to drive the table shaft 19 to rotate. At the same time, the torsion spring 26 connected to the table shaft 19 is also used to reset the table shaft 19, and the torsion spring 26 is positioned by the fixed ring 25.

[0031] Working principle: liquid enters the inner cavity of the meter body 1 through the connecting pipe 4, and is introduced into the cavity tube seat 15 through the connecting pipe 4. After the elastic tube 7 connected to the outer wall of the cavity tube seat 15 is impacted by the liquid outlet of the cavity tube seat 15, the elastic tube 7 is elastically expanded, and at the same time, the connecting piece 5 connected to one end of the elastic tube 7 will drive the connecting piece 18 to swing, and the arc piece 8 connected to the connecting piece 18 through the notch piece 17 will rotate, thereby controlling the swing of the arc piece 8. After the arc piece 8 swings, the tooth column 10 contacted by the outer wall of the arc piece 8 will also The tooth column 10 rotates, and the torsion spring 9 connected to the lower part of the outer wall of the tooth column 10 will also shrink. When the pressure decreases, the torsion spring 9 expands outward and drives the tooth column 10 to rotate in the opposite direction. At the same time, the arc piece 8 will also swing in the opposite direction to achieve the elastic contraction of the elastic tube 7. When the tooth column 10 rotates, one end of the tooth column 10 docks with the table shaft 19 on the dial of the watch body 1 to drive the table shaft 19 to rotate. At the same time, the torsion spring 26 connected to the table shaft 19 is also used to reset the table shaft 19, and the torsion spring 26 is positioned by the fixing ring 25.

[0032] Finally, it should be noted that the above is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A pressure gauge and a gauge movement, comprising a gauge body (1), characterized in that: A dial (2) is installed at the front end of the inner frame of the meter body (1), a rotating cap (3) is installed at the axial center of the dial (2), a connecting pipe (4) is installed at the liquid inlet end of the meter body (1), one end of the connecting pipe (4) passes through the bottom of the meter body (1) and is fixedly connected to a cavity tube seat (15), an elastic tube (7) is installed on the outer wall of the cavity tube seat (15), one end of the elastic tube (7) is fixedly connected to an arc bar (6), the bottom end of the arc bar (6) is fixedly connected to a connecting piece (5), the outer wall of the connecting piece (5) is hinged with a connecting piece (18), one end of the connecting piece (18) is hinged with a slotted piece (17), a vertical column (16) is installed at the axial center of the upper surface of the slotted piece (17), one end of the vertical column (16) passes through the top of the slotted piece (17) and is fixedly connected to the back of the meter body (1).

2. A pressure gauge and a gauge movement according to claim 1, characterized in that: The outer wall of the notch piece (17) is rotatably connected to an arc piece (8), and the outer wall of the arc piece (8) is provided with a tooth opening, and the tooth opening portion contacts a tooth column (10).

3. A pressure gauge and a gauge movement according to claim 2, characterized in that: A top plate (14) is installed at the top end of the tooth column (10), and both ends of the top plate (14) are fixedly connected to side plates (13). A vertical column 1 (12) and a vertical column 2 (16) are installed at the upper parts of the two groups of side plates (13), respectively. One end of the vertical column 1 (12) and the vertical column 2 (16) penetrates the upper part of the side plate (13) and is fixedly connected to a connecting block (11).

4. A pressure gauge and a gauge movement according to claim 3, characterized in that: A torsion spring (9) is fixedly connected to the lower portion of the outer wall of the axial rod of the connecting block (11), a vertical column (12) is arranged on one side of the elastic control end of the torsion spring (9), and the torsion spring (9) and the vertical column (12) are arranged in contact with each other.

5. A pressure gauge and a gauge movement according to claim 3, characterized in that: One end of the connection block (11) is fixedly connected to a connecting piece (20), the left and right sides of the back of the connecting piece (20) are both equipped with studs (21), and the bottom end of the connecting piece (20) is fixedly connected to a docking block (22).

6. A pressure gauge and a gauge movement according to claim 1, characterized in that: The dial end of the watch body (1) is fixedly connected to a pin (23), and the supporting end of the pin (23) is fixedly connected to a leg (24).

7. A pressure gauge and a gauge movement according to claim 2, characterized in that: The axial center of the tooth column (10) passes through the back of the meter body (1) and is fixedly connected to the meter shaft (19). The upper part of the back of the meter shaft (19) is fixedly connected to a welding piece (29). The outer wall of the welding piece (29) is rotatably connected to a fixing ring (25). The outer wall of the fixing ring (25) is fixedly connected to a top block (27). The front end of the top block (27) is fixedly connected to a laminated block (28). The inner cavity wall of the fixing ring (25) is installed with a torsion spring (26).

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