CN218297475U - High-inertia-force-resistant pressure gauge - Google Patents
High-inertia-force-resistant pressure gauge Download PDFInfo
- Publication number
- CN218297475U CN218297475U CN202222604296.0U CN202222604296U CN218297475U CN 218297475 U CN218297475 U CN 218297475U CN 202222604296 U CN202222604296 U CN 202222604296U CN 218297475 U CN218297475 U CN 218297475U
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- bourdon tube
- watchcase
- pointer
- pressure gauge
- rack
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- 238000007789 sealing Methods 0.000 claims abstract description 30
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 238000009434 installation Methods 0.000 claims description 7
- 230000000694 effects Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 10
- 239000000853 adhesive Substances 0.000 description 2
- 230000001070 adhesive effect Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
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Abstract
The utility model relates to a manometer of high anti inertial force, it includes the watchcase, rotates the pointer of connecting on the watchcase, is used for the bourdon tube of detection pressure and the link gear of linkage, bourdon tube connects on the watchcase, bourdon tube is both ends opening setting, the one end of bourdon tube and the watchcase communicate outward, the other end of bourdon tube is provided with seals its open-ended and seals the stopper, seals the stopper including sealing portion, extension and connecting portion, sealing portion inlays to locate in the bourdon tube and seals the opening of bourdon tube, the extension sets up with connecting portion is perpendicular, the extension is connected with sealing portion, connecting portion are connected with link gear, link gear and pointer are connected. Be perpendicular setting with extension and connecting portion to increased the joint strength between connecting portion and the extension, produced quick travel at the manometer and made the manometer receive inertial effect, seal stopper self and be difficult for producing deformation, thereby make the testing result of manometer be difficult for receiving the influence.
Description
Technical Field
The application relates to the technical field of pressure gauges, especially, relate to a high anti inertial force's pressure gauge.
Background
The portable inflator is an air pump which drives air to move in a piston mode, and is usually arranged at an air outlet end and provided with a pressure gauge for detecting the pressure of gas filled in an inflated object, so that the phenomenon that the pressure of the gas filled in the inflation process is too high is reduced, and the object is damaged is avoided.
The portable inflator needs to be moved in the using process, and can also fall to the ground due to improper use, so that errors occur in the display numerical values of the pressure gauge due to inertia when the portable inflator is moved and falls, and the use of the pressure gauge is influenced.
Therefore, a new technical solution is needed to solve the above problems.
SUMMERY OF THE UTILITY MODEL
In order to detect at the manometer in-process, be difficult for receiving inertial influence, this application provides a manometer of high anti inertial force.
The application provides a pair of manometer of high anti inertial force adopts following technical scheme:
the utility model provides a manometer of high anti inertial force, includes the watchcase, rotates the pointer of connecting on the watchcase, is used for the bourdon tube of detection pressure and the link gear of linkage, bourdon tube connects on the watchcase, bourdon tube is both ends opening setting, bourdon tube's one end and the watchcase communicate outward, bourdon tube's the other end is provided with seals its open-ended and seals the stopper, seals the stopper including sealing portion, extension and connecting portion, sealing portion inlays to be located in the bourdon tube and seals the opening of bourdon tube, extension and the perpendicular setting of connecting portion, the extension is connected with sealing portion, connecting portion and link gear are connected, link gear and pointer are connected.
Through adopting above-mentioned technical scheme, be perpendicular setting with extension and connecting portion to increased the joint strength between connecting portion and the extension, produced quick travel at the manometer and made the manometer receive inertial effect when, seal stopper self and be difficult for producing deformation, thereby make the testing result of manometer be difficult for receiving the influence.
Optionally: the linkage mechanism comprises a gear connected to the pointer, a rack rotatably connected to the watch case and a connecting rod connected to one end of the rack, one end, far away from the rack, of the connecting rod is rotatably connected with the connecting portion, and the rack is meshed with the gear.
Through adopting above-mentioned technical scheme, utilize the connecting rod to drive the rack and rotate, and then drive the gear that connects on the pointer and rotate, make the pointer rotate after the deformation of bourdon tube to instruct the numerical value of pressure.
Optionally: the rack comprises an engaging part, an intermediate part and a deformation part which are sequentially connected, the engaging part is engaged with the gear, the engaging part is arranged in an arc shape, the arc-shaped axis of the engaging part coincides with the rotating axis of the rack, the intermediate part is rotatably connected with the watchcase, and one end, far away from the intermediate part, of the deformation part is rotatably connected with the connecting rod.
Through adopting above-mentioned technical scheme, carry out the method with the slight deformation of bourdon tube through pivoted rack to make the pointer rotatable bigger angle, make the change of the reading of pointer clearer.
Optionally: the deformation portion is U-shaped, and the notch of the deformation portion faces the connecting rod.
Through adopting above-mentioned technical scheme, receive when injecing unable rotation at the pointer, deformation portion can produce slight deformation to make the bourdon tube be difficult for receiving the power that hinders bourdon tube deformation when deformation because of the atress, make the bourdon tube be difficult for receiving the influence when using.
Optionally: rotate on the watchcase and be connected with the dwang, pointer and gear all are fixed in on the dwang, the coaxial fixation has volute spiral spring on the dwang, volute spiral spring keeps away from the one end of dwang and fixes with the watchcase.
Through adopting above-mentioned technical scheme, exert its pivoted elasticity of hindrance through volute spiral spring to the pointer, receive its pivoted power of drive that the rack was applyed at the pointer and produce the rotation back, guarantee the lateral wall of the mutual application of force position of rack and gear and keep the butt, make the position of pointer can remain stable and difficult production rock, make the process of reading more convenient.
Optionally: the dwang coaxial fixation has the board of rectifying, rectify the board and set up between volute spiral spring and gear.
Through adopting above-mentioned technical scheme, when the volute spiral spring diastole resets, utilize the correction plate to hinder volute spiral spring towards the removal of the junction of gear and rack, make volute spiral spring be difficult for getting into between gear and the rack to make the use of manometer remain stable.
Optionally: the watch case is provided with a limiting groove, and one end, far away from the rotating rod, of the volute spiral spring is arranged in the limiting groove.
Through adopting above-mentioned technical scheme, utilize the spacing groove to prescribe a limit to the position that dwang one end was kept away from to volute spiral spring, make volute spiral spring its one end in the use position difficult change that takes place to make volute spiral spring's use more stable.
Optionally: the watch case is internally provided with a mounting rod, and the middle part can be abutted against the mounting rod.
By adopting the technical scheme, the rotation amplitude of the rack is limited by the mounting rod, so that the rack can still be meshed with the gear after the Bourdon tube is contracted, the rack is not easy to separate from the gear, and the linkage mechanism is kept stable in the using process.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the extension part and the connecting part are vertically arranged, so that after the pressure gauge drops and the like and moves rapidly, the extension part and the connecting part are not easy to deform, and the detection result of the pressure gauge is not easy to influence;
2. the correction plate limits the moving position of the scroll spring in the resetting process, and the scroll spring is prevented from moving towards the joint of the gear and the rack, so that the scroll spring is more stable in the using process.
Drawings
FIG. 1 is a schematic structural diagram of an embodiment of the present application;
FIG. 2 is a schematic view of a pressure gauge according to an embodiment of the present application;
fig. 3 is a schematic diagram for showing a structure of a linkage mechanism according to an embodiment of the present application.
In the figure, 1, watch case; 11. a dial plate; 12. a watch cover; 2. a pointer; 3. a bourdon tube; 4. a linkage mechanism; 41. a gear; 42. a rack; 421. an engaging portion; 422. an intermediate portion; 423. a deformation section; 43. a connecting rod; 5. a joint; 51. mounting a plate; 52. mounting a rod; 521. a limiting groove; 53. rotating the rod; 54. a mounting ring; 541. mounting grooves; 55. a volute spiral spring; 56. straightening a plate; 6. sealing the plug; 61. a sealing part; 62. an extension portion; 63. a connecting portion.
Detailed Description
The present application is described in further detail below with reference to the attached drawings.
The application discloses a manometer of high anti inertial force, as shown in fig. 1, including be watchcase 1 that one end opening set up, be used for the pointer 2 of instruction, convert pressure into the bourdon tube 3 of deformation and be used for driving pointer 2 pivoted link gear 4. A dial 11 for sealing the opening is coaxially fixed in the watchcase 1, a watch cover 12 for sealing the opening is also coaxially fixed at the opening of the watchcase 1, and the watch cover 12 is embedded in the opening of the watchcase 1. The inside of the watchcase 1 is connected with a joint 5 by using a bolt, one end of the joint 5 penetrates through the end face, far away from the opening, of the watchcase 1, the joint 5 is arranged in a hollow mode, and the end, located outside the watchcase 1, of the joint is arranged in an opening mode. The bourdon tube 3 with two open ends is welded on the joint 5, and the bourdon tube 3 is communicated with the inner cavity of the joint 5. As shown in fig. 2, the bourdon tube 3 is arranged in an arc shape, the axis of the bourdon tube 3 coincides with the axis of the wristwatch case 1, and a sealing plug 6 for sealing an opening of one end of the bourdon tube 3 away from the joint 5 is fixed to the opening. The sealing plug 6 includes a sealing portion 61, an extending portion 62, and a connecting portion 63, which are integrally formed, the sealing portion 61 is disposed in an isosceles trapezoid shape, one end of the short side of the sealing portion 61 is inserted into the opening of the bourdon tube 3 to close the opening of the bourdon tube 3, and the extending portion 62 is disposed at one end of the sealing portion 61 away from the bourdon tube 3. The connecting portion 63 is provided on the side wall of the extension portion 62 adjacent to the sealing portion 61 and perpendicular to the axis of the bourdon tube 3, and the connecting portion 63 is provided perpendicular to the axis of the bourdon tube 3, and the sealing plug 6 has a thickness of eight millimeters. The thickness of the sealing plug 6 is increased, so that the deformation resistance of the sealing plug 6 is enhanced, and the connecting part 63, the extending part 62 and the sealing part 61 are arranged in a straight plate shape, so that the whole shape and form of the sealing plug 6 are not easy to change under the action of inertia, and the detection precision of the pressure gauge is not easy to influence.
As shown in fig. 2, two mounting plates 51 are fixed to the joint 5 by bolts, a gap is left between adjacent mounting plates 51, two mounting rods 52 are riveted between the two mounting plates 51, both the two mounting rods 52 are arranged above the mounting plates 51, and a gap is left between the two mounting rods 52. The dial 11 is fixed on a point of the mounting plates 51 far away from the opening of the joint 5 by bolts, rotating rods 53 are arranged on the two mounting plates 51 together in a penetrating way, the rotating rods 53 are rotatably connected with the mounting plates 51, and the axis of the rotating rods 53 is superposed with the axis of the dial 11. The pointer 2 is sleeved at one end, far away from the joint 5, of the rotating rod 53, instant adhesive is arranged at the joint of the pointer 2 and the rotating rod 53, and the pointer 2 and the rotating rod 53 are connected through the instant adhesive, so that when the pointer 2 is under the action of inertia, relative rotation between the pointer 2 and the rotating rod 53 is not easy to generate, and the measuring process of the pressure gauge is more accurate.
As shown in fig. 3, the link mechanism 4 is disposed between adjacent mounting plates 51, the link mechanism 4 includes a gear 41 coaxially fixed to a rotating rod 53, a rack 42 rotatably connected to the mounting plates 51, and a connecting rod 43 connected to one end of the rack 42, and the gear 41 is disposed on a side of the dial 11 away from the pointer 2. The rack 42 includes an engaging portion 421, an intermediate portion 422, and a deformation portion 423 that are integrally formed in this order, the engaging portion 421 is disposed in an arc shape, an axis of the arc shape of the engaging portion 421 coincides with a rotation axis of the rack 42, and the engaging portion 421 keeps engaging with the gear 41. The middle portion 422 is rotatably connected to the mounting plate 51, one end of the deformation portion 423 away from the middle portion 422 is rotatably connected to the link 43, and one end of the link 43 away from the deformation portion 423 is rotatably connected to the connection portion 63. The connecting rod 43 is in a straight plate shape, and the thickness of the connecting rod is eight millimeters, so that the whole deformation of the connecting rod 43 is not easy to change when the connecting rod receives the inertia effect, and the measurement precision of the pressure gauge is not easy to be influenced. Deformation portion 423 is the setting of U type, and deformation portion 423's notch is towards connecting rod 43, makes deformation portion 423 when the external force that receives leads to pointer 2 unable rotation, and deformation portion 423 still can produce slight deformation, makes pointer 2 be difficult for breaking because of receiving too big power.
As shown in fig. 2 and 3, the rotating rod 53 is coaxially and integrally formed with an installation ring 54, the installation ring 54 is coaxially provided with an installation groove 541, a spiral spring 55 for driving the rotating rod 53 to reset is coaxially sleeved in the installation groove 541, and one end of the spiral spring 55 close to its own axis is fixed to the inner wall of the installation groove 541. The mounting rod 52 is coaxially provided with a limiting groove 521, and one end of the spiral spring 55 far away from the rotating rod 53 is embedded in the limiting groove 521, so as to limit one end of the spiral spring 55. A correction plate 56 is coaxially fixed to an end of the mounting ring 54 remote from the dial 11, the correction plate 56 has a diameter larger than the maximum diameter of the spiral spring 55, and the correction plate 56 is disposed between the spiral spring 55 and the gear 41. The movement of the spiral spring 55 toward the gear 41 is hindered by the correction plate 56, so that the spiral spring 55 is not easily inserted directly between the gear 41 and the meshing portion 421 during the rebound, and the use of the spiral spring 55 is not easily affected.
As shown in fig. 3, in order to make the engaging portion 421 not to be easily disconnected from the gear 41, the middle portion 422 can abut against the mounting rod 52 to which the spiral spring 55 is not connected, the middle portion 422 is connected to one end of the engaging portion 421, so that the middle portion 422 and the engaging portion 421 form a groove facing the mounting rod 52, and the bottom surface of the groove can abut against the mounting rod 52, so that when the engaging portion 421 drives the pointer 2 to rotate, the engaging portion 421 is not directly disconnected from the gear 41, and the use process of the link mechanism 4 is kept stable.
The implementation principle of the embodiment is as follows: when the detection is carried out, the bourdon tube 3 is inflated, so that deformation in the direction away from the axis of the bourdon tube is generated, the sealing plug 6 and the linkage rod drive the rack 42 to rotate, the pointer 2 connected with the gear 41 is further driven to rotate, the detection of air pressure is realized, when the air pressure in the bourdon tube 3 is reduced, the pointer 2 is restored to the original state, and the pointer 2 is reset under the action of elastic force exerted by the volute spiral spring 55.
The embodiments of the present invention are preferred embodiments of the present application, and the scope of protection of the present application is not limited by the embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a high anti inertial force's manometer which characterized in that: the bourdon tube pressure detection device comprises a watchcase (1), a pointer (2) rotationally connected to the watchcase (1), a bourdon tube (3) used for detecting pressure and a linkage mechanism (4) in linkage, the bourdon tube (3) is connected to the watchcase (1), the bourdon tube (3) is arranged with openings at two ends, one end of the bourdon tube (3) is communicated with the outside of the watchcase (1), a sealing plug (6) used for sealing the opening of the bourdon tube (3) is arranged at the other end of the bourdon tube (3), the sealing plug (6) comprises a sealing portion (61), an extending portion (62) and a connecting portion (63), the sealing portion (61) is embedded in the bourdon tube (3) and seals the opening of the bourdon tube (3), the extending portion (62) and the connecting portion (63) are perpendicularly arranged, the extending portion (62) is connected with the sealing portion (61), the connecting portion (63) is connected with the linkage mechanism (4), and the linkage mechanism (4) is connected with the pointer (2).
2. A high inertia force resistant pressure gauge as claimed in claim 1, wherein: the linkage mechanism (4) comprises a gear (41) connected to the pointer (2), a rack (42) rotatably connected to the watchcase (1) and a connecting rod (43) connected to one end of the rack (42), one end, far away from the rack (42), of the connecting rod (43) is rotatably connected with the connecting portion (63), and the rack (42) is meshed with the gear (41).
3. A pressure gauge with high resistance to inertial force, according to claim 2, characterized in that: the rack (42) comprises an engaging part (421), an intermediate part (422) and a deformation part (423) which are connected in sequence, the engaging part (421) is kept engaged with the gear (41), the engaging part (421) is arranged in an arc shape, the arc-shaped axis of the engaging part (421) is superposed with the rotation axis of the rack (42), the intermediate part (422) is rotatably connected with the watch case (1), and one end, far away from the intermediate part (422), of the deformation part (423) is rotatably connected with the connecting rod (43).
4. A high inertia force resistant pressure gauge as claimed in claim 3, wherein: the deformation part (423) is U-shaped, and the notch of the deformation part (423) faces the connecting rod (43).
5. A high resistance force to inertia pressure gauge as claimed in claim 2, wherein: rotate on watchcase (1) and be connected with dwang (53), pointer (2) and gear (41) all are fixed in on dwang (53), coaxial scroll spring (55) of being fixed with on dwang (53), the one end that dwang (53) were kept away from in scroll spring (55) is fixed with watchcase (1).
6. A high inertia force resistant pressure gauge as claimed in claim 5, wherein: and a correcting plate (56) is coaxially fixed on the rotating rod (53), and the correcting plate (56) is arranged between the volute spiral spring (55) and the gear (41).
7. The pressure gauge with high resistance to inertial force of claim 5, wherein: a limiting groove (521) is formed in the watch case (1), and one end, far away from the rotating rod (53), of the scroll spring (55) is arranged in the limiting groove (521).
8. A high inertia force resistant pressure gauge as claimed in claim 3, wherein: an installation rod (52) is arranged in the watch case (1), and the middle part (422) can be abutted with the installation rod (52).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604296.0U CN218297475U (en) | 2022-09-23 | 2022-09-23 | High-inertia-force-resistant pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222604296.0U CN218297475U (en) | 2022-09-23 | 2022-09-23 | High-inertia-force-resistant pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN218297475U true CN218297475U (en) | 2023-01-13 |
Family
ID=84804580
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222604296.0U Active CN218297475U (en) | 2022-09-23 | 2022-09-23 | High-inertia-force-resistant pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN218297475U (en) |
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2022
- 2022-09-23 CN CN202222604296.0U patent/CN218297475U/en active Active
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