CN213091050U

CN213091050U - Multi-range pressure gauge

Info

Publication number: CN213091050U
Application number: CN202022252914.0U
Authority: CN
Inventors: 刘仁青; 区婉玲; 许家庆; 陈家健
Original assignee: Guangzhou Zhongqiao Energy Technology Co ltd
Current assignee: Guangzhou Zhongqiao Energy Technology Co ltd
Priority date: 2020-10-10
Filing date: 2020-10-10
Publication date: 2021-04-30
Anticipated expiration: 2030-10-10

Abstract

The utility model discloses a multirange manometer, including the casing the inside core that is equipped with of casing be equipped with the dial plate on core be equipped with the pointer on the core be equipped with elastic element in the casing be equipped with the connection structure that can alternate the pointer and rotate the range between elastic element and the core be equipped with on the casing and drive the connection structure activity and make the pointer rotate the regulation structure of range transform, the utility model discloses simple structure, convenient to use realizes that the range of manometer changes through adjusting structure to connection structure's regulation, no longer needs to change whole manometer when needs change journey use, more is favorable to accurate detection pressure, and is more convenient, and easy operation saves industrial cost.

Description

Multi-range pressure gauge

Technical Field

The utility model relates to a field, in particular to multirange manometer.

Background

The use of pressure gauges is extremely widespread, and it extends almost all industrial processes and scientific research fields. It is visible everywhere in fields such as heating power pipe network, oil gas transmission, water supply gas supply system, vehicle maintenance plant shop, natural gas transmission, current manometer generally is single range, if need carry on the measurement of different ranges then need replace the manometer, very troublesome, and the installation and removal of manometer also is very inconvenient equally, lacks among the prior art and has the function that can switch various range measurements on same manometer, unsatisfied more demands of modern industry.

Accordingly, further improvements are needed in the existing pressure gauges.

SUMMERY OF THE UTILITY MODEL

To the above prior art, the utility model discloses the technique that will realize is: the range of the pressure gauge can be adjusted in a simple mode, and the method is simple, convenient and fast.

In order to achieve the above purpose, the utility model adopts the following scheme:

the utility model provides a multirange manometer, including the casing the inside core that is equipped with of casing be equipped with the dial plate in core one side be equipped with the pointer on the core be equipped with elastic element, its characterized in that in the casing: a connecting structure capable of changing the rotating range of the pointer is arranged between the elastic element and the movement, and an adjusting structure capable of driving the connecting structure to move so as to change the rotating range of the pointer is arranged on the shell.

Further, the utility model provides a core is including the support front side is located the activity of casing center department and is equipped with the commentaries on classics core front end is fixed with the gear it is equipped with the coil spring to change between the circumference outer wall of core and the support antetheca.

Further, the utility model provides a core still sets up the branch in support antetheca both sides including the symmetry, is fixed with the extension board between the front end of two branches, and it has the pendulum rod to articulate on one of them branch pendulum rod one end is fixed with the arc rack, arc rack toothing gear.

Further, the utility model provides a dial plate is including setting up at the inside panel that is located the core front side of casing be equipped with the scale on the panel.

Further, the utility model provides a pointer is fixed to be set up in the gear front side.

Further, the utility model provides a connection structure is including setting up the arc slide rail in pendulum rod one end the activity is equipped with the connecting rod between arc slide rail and the elastic element, connecting rod one end is passed through the fixed axle and is articulated in the elastic element upper end, the connecting rod other end alternates spacing activity in the arc slide rail through the fixed axle the interval is equipped with a plurality of can the card and goes into the recess of fixed axle in the arc slide rail.

Further, the utility model provides an adjust the structure including setting up the groove of wearing on the wall behind the casing wear the inslot activity and be provided with the slider the fixed inserted bar that is provided with of slider antetheca the connecting rod middle part is equipped with the spout, the inserted bar alternates spacing activity in the spout the fixed adjusting rack that is equipped with of slider rear side adjusting rack one side meshing is equipped with adjusting gear rear side is fixed with the hand and twists the handle.

Further, the utility model provides a casing back wall is provided with sealed lid, sealed lid sets up between adjusting gear and hand twist handle.

Furthermore, the bottom of the shell is fixed with a joint, and one end of the elastic element is inserted into the joint.

Furthermore, the elastic element in the present invention is a spring tube.

To sum up, the utility model discloses for its beneficial effect of prior art is:

the utility model discloses simple structure, convenient to use realizes the range of manometer through adjusting structure to connection structure's regulation and changes, no longer need change whole manometer when needs change the journey use, more is favorable to accurate detection pressure, and is more convenient, and easy operation, saves the industrial cost.

Drawings

Fig. 1 is a perspective view of the present invention.

Fig. 2 is a schematic plan view of the internal structure of the present invention.

Fig. 3 is a schematic perspective exploded view of the present invention.

Fig. 4 is a second perspective view of the present invention.

Fig. 5 is a second exploded perspective view of the present invention.

Detailed Description

The invention will be further described with reference to the following description and embodiments in conjunction with the accompanying drawings:

a multirange manometer as shown in fig. 1 to 5, including casing 1 is inside to be equipped with core 2 one side is equipped with dial plate 3 be equipped with pointer 7 on core 2 be equipped with elastic element 4 in casing 1 be equipped with connection structure 5 that can alternate pointer 7 rotation range between elastic element 4 and core 2 be equipped with on casing 1 and drive connection structure 5 activity and make pointer 7 rotate the regulation structure 6 of range transform, during operation, elastic element receives pressure and takes place elastic deformation and drive the core through connection structure and move about to make the pointer rotate, cooperation dial plate makes the user learn the pressure value, and regulation structure can drive connection structure activity, makes the pointer rotate the range change.

The utility model discloses in core 2 is including support 21 the activity of 1 center department in support 21 front side and lieing in the casing is equipped with commentaries on classics core 22 front end is fixed with gear 23 change and be equipped with wind spring 24 between the circumference outer wall of core 22 and the support 21 antetheca, the during operation, the support setting is in the casing, changes the core and rotates and will drive gear and pointer and rotate, and when not having pressure, changes the core and can pass through the wind spring and reset.

The utility model discloses in core 2 is still including the symmetry setting branch 25 in support 21 antetheca both sides, is fixed with extension board 26 between the front end of two branch 25, and it has pendulum rod 27 to articulate on one of them branch 25 pendulum rod 27 one end is fixed with arc rack 28, arc rack 28 meshes gear 23, and the during operation, pendulum rod can use branch to take place to rotate as the mid point, and during the rotation, arc rack will drive the gear and rotate to make the pointer rotate the pendulum rod and drive when being out of shape by elastic element through the connection structure linkage.

The utility model discloses in dial plate 3 is including setting up at 1 inside panel 31 that is located 2 front sides of core of casing be equipped with scale 32 on the panel 31, the scale can set up to the scale of the different ranges of multiunit, and the person of facilitating the use observes.

The utility model discloses in pointer 7 is fixed to be set up in gear 23 front side, and the during operation, the pointer is fixed in the gear front side, rotates when changeing the core, and the gear rotates along with it in step to make the pointer rotate in step, the pointer sets up in panel front side center department.

In the utility model, the connecting structure 5 comprises an arc-shaped slide rail 51 arranged at one end of a swing rod 27, a connecting rod 52 is movably arranged between the arc-shaped slide rail 51 and the elastic element 4, one end of the connecting rod 52 is hinged at the upper end of the elastic element 4 through a fixed shaft, the other end of the connecting rod 52 is inserted in the arc-shaped slide rail 51 through the fixed shaft for limiting movement, a plurality of grooves 53 which can be clamped into the fixed shaft are arranged in the arc-shaped slide rail 5 at intervals, during the work, the arc-shaped slide rail is fixed at one side of the swing rod, when the elastic element receives pressure deformation, the connecting rod is driven to move, so that the arc-shaped slide rail moves, the swing rod rotates, along with the position deviation of the lower section of the connecting rod by an adjusting structure, the position deviation of the fixed shaft of the lower section of the connecting rod in the arc-shaped slide rail is caused to change when the swing rod rotates, the fixed shaft of the connecting rod is prevented from changing the measuring range position when driving the arc-shaped slide rail to move.

In the utility model, the adjusting structure 6 comprises a through groove 61 arranged on the rear wall of the shell 1, a slide block 62 is movably arranged in the through groove 61, an inserting rod 63 is fixedly arranged on the front wall of the slide block 62, a sliding groove 64 is arranged in the middle of the connecting rod 52, the inserting rod 63 is inserted in the sliding groove 64 for limiting movement, an adjusting rack 65 is fixedly arranged on the rear side of the slide block 62, an adjusting gear 66 is meshed with one side of the adjusting rack 65, a hand twisting handle 67 is fixed on the rear side of the adjusting gear 66, when the adjusting structure works, the adjusting gear is rotated by twisting the hand twisting handle, so that the adjusting rack is driven to move to one side, the slide block moves axially in the through groove, a plurality of salient points can be arranged in the through groove and used as the position when the slide block slides, when the slide block moves to a fixed position, the inserting rod drives the lower section to rotate through the sliding groove, and when the connecting, will make the arc slide rail be in and rotate on this range's basis, the spout can set up to the shape that the hypomere is wide upper segment is narrow, prevents that elastic element deformation from driving the connecting rod card when moving, and hand is twisted handle department and can be marked the range and mark, for the foundation of multirange regulation, need cooperate the scale on the panel, and the person of facilitating the use observes and uses

The utility model discloses in casing 1 back wall is provided with sealed lid 71, sealed lid 71 sets up between adjusting gear 66 and hand twist handle 67, and sealed lid back wall can draw the range along the position of hand twist handle periphery and mark, and the mark of cooperation hand twist handle is adjusted the range, and the effect of sealed lid is used for preventing that water from wearing the groove to flow in, has waterproof effect.

The utility model discloses in 1 bottom of casing is fixed with joint 41, inside elastic element 4 one end was inserted and is established and connect 41, makes the manometer connecting line through connecting, and in elastic element's hypomere insertion joint, the pressure of being convenient for accepted takes place deformation.

In the present invention, the elastic element 4 is a spring tube, which is a commonly used sensitive elastic element.

The basic principles and main features of the present invention and the advantages of the present invention have been shown and described above, and it should be understood by those skilled in the art that the present invention is not limited by the above embodiments, and the description in the above embodiments and the description is only illustrative of the principles of the present invention, and the present invention can be modified in various ways without departing from the spirit and scope of the present invention, and these modifications and changes fall into the scope of the present invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. A multi-range pressure gauge is characterized in that: including casing (1) inside core (2) of being equipped with of casing (1) core (2) one side is equipped with dial plate (3) be equipped with pointer (7) on core (2) be equipped with elastic element (4) in casing (1) be equipped with between elastic element (4) and core (2) can alternate connection structure (5) that pointer (7) rotated the range be equipped with on casing (1) and drive connection structure (5) activity and make pointer (7) rotate the regulation structure (6) that the range changed.

2. A multi-range pressure gauge according to claim 1, wherein said movement (2) comprises a support (21), a rotary core (22) is movably arranged at the center of the housing (1) and at the front side of said support (21), a gear (23) is fixed at the front end of said rotary core (22), and a coil spring (24) is arranged between the circumferential outer wall of said rotary core (22) and the front wall of said support (21).

3. A multi-range pressure gauge according to claim 2, wherein the movement (2) further comprises support rods (25) symmetrically arranged at two sides of the front wall of the support (21), a support plate (26) is fixed between the front ends of the two support rods (25), a swing rod (27) is hinged on one of the support rods (25), an arc-shaped rack (28) is fixed at one end of the swing rod (27), and the arc-shaped rack (28) is meshed with the gear (23).

4. A multi-range pressure gauge according to claim 3, characterized in that said dial (3) comprises a face plate (31) arranged inside the case (1) and in front of the movement (2), on said face plate (31) there being provided graduations (32).

5. A multi-range pressure gauge according to claim 3, wherein said indicating needle (7) is fixedly arranged in front of the gear (23).

6. The multirange pressure gauge according to claim 5, wherein the connecting structure (5) comprises an arc-shaped sliding rail (51) arranged at one end of the swing rod (27), a connecting rod (52) is movably arranged between the arc-shaped sliding rail (51) and the elastic element (4), one end of the connecting rod (52) is hinged to the upper end of the elastic element (4) through a fixed shaft, the other end of the connecting rod (52) penetrates through the arc-shaped sliding rail (51) through the fixed shaft to move in a limiting manner, and a plurality of grooves (53) capable of being clamped into the fixed shaft are formed in the arc-shaped sliding rail (51) at intervals.

7. The multi-range pressure gauge according to claim 6, wherein the adjusting structure (6) comprises a through groove (61) arranged on the rear wall of the housing (1), a sliding block (62) is movably arranged in the through groove (61), an insertion rod (63) is fixedly arranged on the front wall of the sliding block (62), a sliding groove (64) is arranged in the middle of the connecting rod (52), the insertion rod (63) is inserted in the sliding groove (64) for limiting movement, an adjusting rack (65) is fixedly arranged on the rear side of the sliding block (62), an adjusting gear (66) is meshed with one side of the adjusting rack (65), and a hand screw handle (67) is fixedly arranged on the rear side of the adjusting gear (66).

8. A multi-range pressure gauge according to claim 7, wherein a sealing cover (71) is provided on the rear wall of the housing (1), the sealing cover (71) being provided between the adjustment gear (66) and the handle (67).

9. A pressure gauge according to claim 8, wherein a joint (41) is fixed to the bottom of the case (1), and one end of the elastic member (4) is inserted into the joint (41).

10. A multi-range pressure gauge according to claim 6, wherein the resilient member (4) is a sprung tube.