CN214951941U - Balancing device for air-pressure gauge of empty box and air-pressure gauge of empty box - Google Patents

Abstract

The utility model provides a balancing device for an air pressure gauge of an empty box and the air pressure gauge of the empty box, wherein the air pressure gauge of the empty box comprises an inner ring, a middle ring, an outer ring and a heavy hammer; the inner ring is coaxially sleeved on the periphery of the watch body and is provided with an inner ring shaft which is rotatably connected with the watch body; the middle ring is coaxially sleeved on the periphery of the inner ring and is provided with a middle ring shaft which is rotationally connected with the inner ring; the axis of the middle ring shaft is vertical to the axis of the inner ring shaft; the outer ring is coaxially sleeved on the periphery of the middle ring and is provided with an outer ring shaft which is rotatably connected with the middle ring, and the axis of the outer ring shaft is vertical to the axis of the middle ring shaft; the weight is connected with the bottom end face of the watch body; the weight is used for providing vertical downward force for the watch body; the outer ring, the middle ring and the inner ring are respectively used for providing the freedom degrees of the watch body rotating around the X axis, the Y axis and the Z axis. The utility model provides a balancing unit for empty box barometer, the leveling process of the table body relies on the gravity automatic completion of weight, need not artifical adjustment, has improved work efficiency.

Description

Balancing device for air-pressure gauge of empty box and air-pressure gauge of empty box

Technical Field

The utility model belongs to the technical field of the barometer, concretely relates to balancing unit and air-pocket barometer for air-pocket barometer.

Background

The empty box barometer is a barometer using a metal film empty box as an induction element, and the inside of the empty box is close to vacuum. The working principle is that the metal film empty box generates corresponding elastic deformation according to the difference of the external atmospheric pressure, the atmospheric pressure is converted into the elastic displacement of the empty box in the process, and then the pointer is driven by a lever and a transmission mechanism, so that the atmospheric pressure change can be converted into the visual pointer rotation; when the elastic stress of the empty box is balanced with the atmospheric pressure, the pointer stops moving, and the air pressure value indicated by the pointer is the atmospheric pressure value at that time.

The air pressure gauge of the empty box is widely applied to the fields of meteorology, military, aviation, navigation, agriculture, measurement, geology, industrial and mining enterprises, scientific research and the like and becomes a conventional instrument for measuring atmospheric pressure due to the advantages of convenience in carrying, accuracy in measurement, wide pressure measuring range, simplicity and convenience in use and maintenance, no mercury pollution and the like.

The empty box barometer needs to place the quotation level of calibrated scale when the number of degrees to avoid inside mechanical structure to cause the extrusion to the metal film empty box, influence the measuring result. However, when the air bubble level gauge is used for outdoor measurement, a proper level is difficult to find for placing the air bubble pressure gauge, the air bubble level gauge is adjusted by using the traditional air bubble level gauge, the process is complicated, the leveling is required to be performed again when the measurement point is replaced every time, and the workload is increased.

SUMMERY OF THE UTILITY MODEL

The embodiment of the utility model provides a balancing unit for air-box barometer aims at solving the loaded down with trivial details and the big problem of work load of artifical leveling air-box barometer process.

In order to achieve the above object, the utility model adopts the following technical scheme: the balancing device for the air pressure gauge of the empty box is used for leveling a gauge body of the air pressure gauge and comprises an inner ring, a middle ring, an outer ring and a heavy hammer; the inner ring is coaxially sleeved on the periphery of the watch body, and the inner wall of the inner ring is provided with an inner ring shaft which extends along the radial direction and is used for being rotationally connected with the watch body; the middle ring is coaxially sleeved on the periphery of the inner ring, and the inner wall of the middle ring is provided with a middle ring shaft which extends along the radial direction and is rotationally connected with the inner ring; the axis of the middle ring shaft is vertical to the axis of the inner ring shaft; the outer ring is coaxially sleeved on the periphery of the middle ring, an outer ring shaft which extends along the radial direction and is rotationally connected with the middle ring is arranged on the inner wall of the outer ring, and the axis of the outer ring shaft is vertical to the axis of the middle ring shaft; the weight is used for being connected with the bottom end face of the watch body, and the axis of the weight is the same as that of the watch body; the weight is used for providing vertical downward force for the watch body; the outer ring, the middle ring and the inner ring are respectively used for providing the freedom degrees of the watch body rotating around the X axis, the Y axis and the Z axis.

In one possible implementation, the inner ring is a hemispherical shell-like structure.

In some embodiments, the bottom of the inner ring is provided with a through slot, and the heavy hammer passes through the through slot and extends downwards.

In a possible realization mode, the heavy hammer is provided with a heavy hammer rod along the axial direction, and the upper end of the heavy hammer rod is in threaded connection with the bottom surface of the watch body.

In a possible implementation manner, the outer wall of the inner ring and the outer wall of the middle ring are symmetrically provided with slots along the axial direction, and the slots are used for being connected with the middle ring shaft and the outer ring shaft in an inserting mode.

In some embodiments, the insertion groove includes a fixing groove fixedly coupled to the inner ring outer wall/the middle ring outer wall, and a fixing groove cover detachably coupled to the fixing groove.

In a possible realization, the outer wall of the outer ring is provided with a support frame along the axial direction for placing the outer ring on the ground.

Compared with the prior art, the scheme shown in the embodiment of the application has the advantages that the outer ring, the middle ring and the inner ring are used for providing the freedom degrees of the meter body rotating around the X axis, the Y axis and the Z axis respectively, so that the meter body can rotate freely, the weight with the same axial direction as the meter body is utilized, a vertical downward force is provided for the meter body, the axial direction of the meter body swings to a vertical downward state, the dial face of the meter body is horizontally placed, the leveling process of the dial face is automatically completed by means of the gravity of the weight, manual adjustment is not needed, the workload of workers is reduced, and the working efficiency is improved.

The utility model also provides an empty box barometer, including foretell for empty box barometer balancing unit and the table body.

In a possible implementation mode, the outer wall of the watch body is symmetrically provided with inverted-U-shaped clamping grooves along the axial direction, and the clamping grooves are used for being connected with the inner ring shaft in an inserting mode.

The utility model provides a beneficial effect of air-box barometer is the same with foretell air-box barometer balancing unit's beneficial effect, no longer gives unnecessary details here.

Drawings

Fig. 1 is a schematic structural view of a balancing device for an empty box barometer according to an embodiment of the present invention;

fig. 2 is a schematic top view of a balancing device for an empty box barometer according to an embodiment of the present invention;

fig. 3 is a schematic structural diagram of a meter body of the balancing device for the empty box barometer according to the embodiment of the present invention;

FIG. 4 is a bottom view of the watch body of FIG. 3;

fig. 5 is a schematic structural view of an inner ring of a balancing device for an empty box barometer according to an embodiment of the present invention;

FIG. 6 is a schematic top view of the inner ring of FIG. 5;

fig. 7 is a schematic structural view of a middle ring of the balance device for an empty box barometer according to an embodiment of the present invention;

fig. 8 is a schematic structural diagram of an outer ring of the balancing device for an empty box barometer according to an embodiment of the present invention;

fig. 9 is a schematic structural view of a weight of the balancing device for an empty box barometer according to an embodiment of the present invention;

fig. 10 is a schematic structural view of a fixing groove cover of a balancing device for an empty box barometer according to an embodiment of the present invention;

description of reference numerals:

1. a watch body; 11. a card slot; 12. a dish surface; 13. a bottom end face; 2. an inner ring; 21. an inner ring shaft; 22. a through groove; 3. a middle ring; 31. a middle ring shaft; 4. an outer ring; 41. an outer ring shaft; 5. a weight; 51. a weight lever; 6. a slot; 61. fixing grooves; 62. fixing a slot cover; 7. a support frame.

Detailed Description

In order to make the technical problem, technical solution and advantageous effects to be solved by the present invention more clearly understood, the following description is given in conjunction with the accompanying drawings and embodiments to illustrate the present invention in further detail. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.

Referring to fig. 1 and fig. 2, a balance device for an empty box barometer according to the present invention will now be described. The balance device for the air box barometer comprises an inner ring 2, a middle ring 3, an outer ring 4 and a heavy hammer 5; the inner ring 2 is coaxially sleeved on the periphery of the watch body 1, and the inner wall of the inner ring 2 is provided with an inner ring shaft 21 which extends along the radial direction and is used for being rotationally connected with the watch body 1; the middle ring 3 is coaxially sleeved on the periphery of the inner ring 2, and the inner wall of the middle ring 3 is provided with a middle ring shaft 31 which extends along the radial direction and is rotationally connected with the inner ring 2; the axis of the middle ring shaft 31 is vertical to the axis of the inner ring shaft 21; the outer ring 4 is coaxially sleeved on the periphery of the middle ring 3, an outer ring shaft 41 which extends along the radial direction and is rotationally connected with the middle ring 3 is arranged on the inner wall of the outer ring 4, and the axis of the outer ring shaft 41 is vertical to the axis of the middle ring shaft 31; the weight 5 is used for being connected with the bottom end surface 13 of the watch body 1 and has the same axis as that of the watch body 1; the weight 5 is used for providing a vertical downward force for the watch body 1; the outer ring 4, the middle ring 3, and the inner ring 2 are used to provide freedom of rotation of the watch body 1 about the X-axis, the Y-axis, and the Z-axis, respectively.

The periphery of a meter body 1 of the air-box barometer is sleeved with an inner ring 2, an inner ring shaft 21 extends along the radial direction of the inner ring 2 and is divided into two sections, each section of the inner ring shaft 21 is rotationally connected with the meter body 1, and the axial direction of the inner ring shaft 21 is the same as the radial direction of the meter body 1, so that a degree of freedom for the meter body 1 to rotate around the inner ring shaft 21 is provided; preferably, the rotation connection point of the watch body 1 and the inner ring shaft 21 should be as close to the upper end of the watch body 1 as possible, so that when the watch body 1 swings, the center of gravity is below the inner ring shaft 21 and as far away from the inner ring shaft 21 as possible, so as to reach a balance state as soon as possible and shorten the leveling time; the middle ring 3 is sleeved on the periphery of the inner ring 2, the middle ring shaft 31 extends along the radial direction of the middle ring 3 and is divided into two sections, each section of the middle ring shaft 31 is rotatably connected with the inner ring 2, the axial direction of the middle ring shaft 31 is vertical to the axial direction of the inner ring shaft 21, and the middle ring shaft 31 provides the freedom degree of rotation around the middle ring shaft 31 for the combination of the watch body 1 and the inner ring 2; to this end, the middle ring 3 and the inner ring 2 together provide the watch body 1 with freedom of rotation about two mutually perpendicular axes. The outer ring 4 is sleeved on the periphery of the middle ring 3, the outer ring shaft 41 radially extends along the outer ring 4 and is divided into two sections, each section of the outer ring shaft 41 is rotatably connected with the middle ring 3, the axial direction of the outer ring shaft 41 is vertical to the axial direction of the middle ring shaft 31, and the outer ring shaft 41 provides the freedom degree of rotation around the outer ring shaft 41 for the combination of the middle ring 3, the inner ring 2 and the watch body 1; to this end, the outer ring 4, the middle ring 3, and the inner ring 2 together provide the watch body 1 with freedom to rotate around three mutually perpendicular axes, wherein, it is specified that the outer ring 4, the middle ring 3, and the inner ring 2 provide the watch body 1 with freedom to rotate around the X-axis, the Y-axis, and the Z-axis, respectively. It is known that an object having three degrees of freedom is free to rotate in three dimensions. At this time, the weight 5 mounted on the bottom end surface 13 of the watch body 1 provides a vertical downward force to the watch body 1, so that the watch body 1 can reach a balanced state in which the axial direction points vertically downward, and the dial 12 of the watch body 1 is perpendicular to the axial direction of the watch body 1, so that the dial 12 is in a horizontal state after the watch body 1 reaches the balanced state.

Compared with the prior art, the balancing device for the empty box barometer provided by the embodiment provides the freedom degrees of rotation around the X axis, the Y axis and the Z axis for the meter body 1 through the outer ring 4, the middle ring 3 and the inner ring 2 respectively, so that the meter body 1 can rotate freely, a vertical downward force is provided for the meter body 1 by utilizing the counter weight 5 with the axial direction being the same as that of the meter body 1, the meter body 1 swings to a vertical downward state in the axial direction, the dial face 12 of the dial of the meter body 1 is horizontally placed, the leveling process of the dial face 12 is automatically completed by depending on the gravity of the counter weight 5, manual adjustment is not needed, the workload of workers is reduced, and the working efficiency is improved.

In some possible embodiments, as shown in fig. 5, the inner ring 2 is a hemispherical shell-like structure. When the watch body 1 reaches a balanced state, the inner ring 2 is also in a horizontal state, the inner ring 2 is arranged into a hemispherical shell-shaped structure, the integral gravity center of the inner ring 2 can be lowered, the gravity center of the inner ring 2 is enabled to be below the inner ring shaft 21 and to be far away from the inner ring shaft 21 as far as possible, so that the watch body reaches the balanced state as soon as possible, and the leveling time is shortened.

It should be noted that, as shown in fig. 6, the bottom of the inner ring 2 is provided with a through slot 22, and the weight 5 extends downward through the through slot 22. In order to reduce the gravity center of the weight 5 as much as possible and to make the watch body 1 reach a balanced state as soon as possible, a through groove 22 needs to be formed at the bottom of the inner ring 2 so that the weight 5 can penetrate through the inner ring 2 to extend downwards; specifically, the through groove 22 is viewed from the right above the inner ring 2, the through groove 22 is in a straight shape and is perpendicular to the axial direction of the inner ring shaft 21, and the through groove 22 reduces the angular range of the rotation of the watch body 1 around the inner ring shaft 21 under the condition that the watch body 1 connected with the weight 5 has the freedom of rotation around the inner ring shaft 21, thereby being beneficial to avoiding excessive swinging of the watch body 1 and the weight 5 and shortening the time for the watch body 1 to reach the equilibrium state.

In one possible implementation, as shown in fig. 4 and 9, the weight 5 is provided with a weight rod 51 along the axial direction, and the upper end of the weight rod 51 is screwed with the bottom surface of the watch body 1. The weight rod 51 is fixedly connected with the weight 5, the upper end of the weight rod 51 is connected with the center of the bottom end surface 13 of the watch body 1 through threads, so that the weight 5 and the watch body 1 can be detached and stored separately after measurement is finished, and the damage of the weight 5 to the watch body 1 is avoided.

In one possible implementation, as shown in fig. 5 to 7, the outer wall of the inner ring 2 and the outer wall of the middle ring 3 are symmetrically provided with slots 6 along the axial direction thereof, and the slots 6 are used for being inserted with the middle ring shaft 31 and the outer ring shaft 41. The connecting line of the slots 6 on the outer wall of the inner ring 2 or the middle ring 3 is perpendicular to the axial direction of the inner ring shaft 21 or the middle ring shaft 31, and the slots 6 are close to the upper end surface of the inner ring 2 or the middle ring 3 as much as possible, so that the center of gravity of the middle ring 3 and the inner ring 2 is below the slots 6 and far away from the slots 6 as much as possible, and the inner ring 2 and the middle ring 3 reach a balanced state as soon as possible in the rotation process.

Specifically, as shown in fig. 10, the insertion groove 6 includes a fixing groove 61 fixedly coupled to an outer wall of the inner ring 2/an outer wall of the middle ring 3, and a fixing groove cover 62 detachably coupled to the fixing groove 61. The slot 6 is split, so that the assembly is convenient, and taking the assembly of the middle ring 3 and the outer ring 4 as an example, the two fixing grooves 61 of the middle ring 3 are abutted against the outer ring shaft 41, and then the fixing groove cover 62 is connected with the fixing grooves 61, and the fixing grooves 61 and the fixing groove cover 62 can be connected by bolts.

In a possible realization, as shown in fig. 8, the outer wall of the outer ring 4 is provided with a support 7 in the axial direction for placing the outer ring 4 on the ground. Preferably, the number of the support frames 7 is three, so that the support frames 7 can be in contact with the ground when the ground is uneven outdoors, a good support is formed, and the situation that the support frames 7 are too many to cause suspension of the individual support frames 7 is avoided.

The utility model also provides an empty box barometer, including foretell for empty box barometer balancing unit and table body 1.

The utility model provides an empty box barometer, compared with the prior art, through outer loop 4, zhonghuan 3, inner ring 2 is respectively for the table body 1 provides around the X axle, the Y axle, the rotatory degree of freedom of Z axle, make the table body 1 can the free rotation, utilize the axial and the same weight 5 of the axial of the table body 1, provide a vertical decurrent power for the table body 1, make the axial oscillation to vertical decurrent state of the table body 1, thereby make the 12 levels in quotation of the table body 1 place, the leveling process of quotation 12 relies on the automatic completion of gravity of weight 5, need not manual adjustment, staff's work load has been reduced, and the work efficiency is improved.

In a possible implementation manner, as shown in fig. 3 and 4, the outer wall of the watch body 1 is symmetrically provided with inverted U-shaped slots 11 along the axial direction, and the slots 11 are used for being rotationally connected with the inner ring shaft 21. Preferably, the fixed point of the slot 11 and the watch body 1 should be as close to the upper end of the watch body 1 as possible, and in a balanced state, the center of gravity of the watch body 1 is below the slot 11, so that the watch body 1 reaches the balanced state as soon as possible; the clamping groove 11 is arranged in an inverted U shape, so that the watch body 1 is conveniently taken and placed. Before measurement, the clamping groove 11 is hung on the inner ring shaft 21, the heavy hammer 5 penetrates through the through groove to be connected with the meter body 1, and the balance device for the air-pressure meter of the empty box can automatically level the meter body 1; after the measurement is finished, the weight 5 is only needed to be dismounted, the watch body 1 can be separated from the balance device, the balance device and the watch body are separately stored, and the watch body 1 is prevented from being damaged. The balance device for the gauge body 1 and the air-box barometer is fast and convenient to mount and dismount, and the working efficiency is improved.

The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.

Claims (9)

1. A balancing device for an air-pressure gauge of an empty box is used for leveling a gauge body of the air-pressure gauge and is characterized by comprising:

the inner ring is coaxially sleeved on the periphery of the watch body, and an inner ring shaft which extends along the radial direction and is used for being rotationally connected with the watch body is arranged on the inner wall of the inner ring;

the inner ring is sleeved with the inner ring in a coaxial manner, and the inner wall of the inner ring is provided with a middle ring shaft which extends along the radial direction and is rotationally connected with the inner ring; the axis of the middle ring shaft is vertical to the axis of the inner ring shaft;

the outer ring is coaxially sleeved on the periphery of the middle ring, an outer ring shaft which extends along the radial direction and is rotationally connected with the middle ring is arranged on the inner wall of the outer ring, and the axis of the outer ring shaft is vertical to the axis of the middle ring shaft;

the weight is connected with the bottom end face of the watch body, and the axis of the weight is the same as that of the watch body;

the weight is used for providing a vertical downward force for the watch body; the outer ring, the middle ring and the inner ring are respectively used for providing the freedom degrees of the meter body rotating around an X axis, a Y axis and a Z axis.

2. The balance for an air-box barometer as claimed in claim 1, wherein said inner ring is a hemispherical shell-like structure.

3. The balance device for an empty box barometer as claimed in claim 2, wherein the bottom of the inner ring is provided with a through slot, and the weight is extended downward through the through slot.

4. The balance device for an empty box barometer as claimed in claim 1, wherein said weight is provided with a weight rod along the axial direction, and the upper end of said weight rod is screwed with the bottom surface of said meter body.

5. The balance device for an air-box barometer as claimed in claim 1, wherein the outer wall of the inner ring and the outer wall of the middle ring are symmetrically provided with slots along the axial direction thereof, and the slots are used for being inserted with the middle ring shaft and the outer ring shaft.

6. The balancing apparatus for an empty box barometer according to claim 5, wherein the insertion groove comprises a fixing groove fixedly connected to the inner ring outer wall/the middle ring outer wall, and a fixing groove cover detachably connected to the fixing groove.

7. The balance device for an air-box barometer as claimed in claim 1, wherein the outer wall of said outer ring is provided with a support bracket in the axial direction for placing said outer ring on the ground.

8. An air pressure gauge for an empty case, comprising the balance device for an air pressure gauge according to any one of claims 1 to 7 and the gauge body.

9. The air-box barometer of claim 8, wherein the gauge body outer wall is symmetrically provided with inverted U-shaped slots along the axial direction, and the slots are used for being inserted into the inner ring shaft.

Images