CN210689902U

CN210689902U - Liquid pressure gauge for physical experiment

Info

Publication number: CN210689902U
Application number: CN201921962948.XU
Authority: CN
Inventors: 张金锋; 杨婉茹; 贾宏伟; 刘卓; 王栋林; 赵磊; 代凯; 公丕锋
Original assignee: Huaibei Normal University
Current assignee: Huaibei Normal University
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-06-05
Anticipated expiration: 2029-11-13

Abstract

The utility model discloses a liquid pressure gauge for physical experiment, including pressure gauge body, fixed block, rubber test head, flexible post, support base, arc template, disassembly body and telescopic machanism, disassembly body is located the junction of fixed block and rubber test head, disassembly body includes the draw runner, the front and back surface sentence fixed connection of fixed block has the draw runner, the inboard spout has all been seted up around the rubber test head, a side surface of spout has seted up the fixed slot, and the arc template is located the inside of pressure gauge body; the slide bar and the slide groove are arranged, so that the later-stage disassembly is facilitated; the rubber detection head which is replaced after being detached can be fixed and detached by the arranged sliding chute, the bolt, the groove and the concave plate; through the sliding plate, the sliding tray that set up, the later stage of being convenient for is adjusted the height of being connected of flexible post and support base, and fixture block, spring, draw-in groove that set up are convenient for fix the height of being connected after flexible post and support base adjust.

Description

Liquid pressure gauge for physical experiment

Technical Field

The utility model relates to a physical experiment technical field specifically is a liquid pressure gauge for physical experiment.

Background

Physics is the subject of studying the most general laws of material movement and the basic structure of material. As the leading subject of natural science, physical studies are as large as the universe and as small as the most basic motion forms and laws of all substances such as basic particles, and therefore, the method becomes the research foundation of other natural science subjects. The physical theoretical structure fully uses mathematics as the working language of the physical theoretical structure, takes experiments as the only standard for checking the theoretical correctness, and is the most precise natural science subject at present, a pressure gauge is used for measuring smaller pressure intensity, colored liquid is filled in a U-shaped pipe, the liquid levels on the two sides are under the action of atmospheric pressure, the liquid levels on the two sides are at the same height, a metal box which is bound with a rubber film is connected to one side of the U-shaped pipe by a rubber pipe, the pressure intensity of the finger on the rubber film is transmitted by gas sealed in the pipe according to the Pascal law by pressing the rubber film by the finger, so that the liquid level on the left side is reduced, the liquid level on the right side is increased, the height difference occurs on the two sides of the U-shaped pipe, and the larger the pressure intensity of the hand pressing the rubber film.

The liquid level measuring device disclosed in the publication No. CN205561977U has the advantages of simple structure, convenient and quick liquid level measurement, but does not solve the problems that the existing rubber test head cannot be replaced after being used for a long time, and the height of the supporting base for supporting the pressure gauge cannot be adjusted according to the needs of experiments; for example, the steel storage tank positive and negative pressure test method disclosed by the publication No. CN106768649B realizes the effect of further ensuring that the storage tank pressure test can be normally carried out, the increased liquid level difference value can better maintain the test pressure, and further fully checking the leak point on the wall of the storage tank, but does not solve the problems that the existing rubber test head cannot be replaced after being used for a long time, and the height of a supporting base of the supporting pressure gauge cannot be adjusted according to the needs of the test, so that the liquid pressure gauge for the physical experiment is provided.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

An object of the utility model is to provide a liquid pressure gauge for physics experiments to solve the current rubber test head that provides in the above-mentioned background art and can not change after long-time the use, the problem of the needs height-adjusting that needs when supporting the support base of pressure gauge in addition can not be followed the experiment.

(II) technical scheme

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a liquid pressure gauge for physics experiments, detects head, flexible post, support base, arc template, disassembly body and telescopic machanism including pressure gauge body, fixed block, rubber, disassembly body is located the fixed block and the junction that rubber detected the head, disassembly body includes the draw runner, surface sentence fixedly connected with draw runner around the fixed block, the inboard spout of all having seted up around the rubber detects the head, the fixed slot has been seted up on a side surface of spout, just the arc template is located the inside of pressure gauge body, the surface of arc template is seted up flutedly, the inside of recess is provided with concave plate, one side fixed surface of concave plate is connected with the bolt, the spread groove that runs through is seted up to one side surface of flexible post, just one side of bolt is located the outside of spread groove.

Preferably, the telescopic mechanism is located at a joint of the telescopic column and the support base, the telescopic mechanism comprises a sliding plate, the front surface and the rear surface of the telescopic column are fixedly connected with the sliding plate, a clamping block groove is formed in the surface of the sliding plate, a spring is fixedly connected to the surface of one side of the clamping block groove, a clamping block is fixedly connected to one side of the spring, one side of the clamping block is located outside the clamping block groove, sliding grooves are formed in the front inner side and the rear inner side of the support base, and a through clamping groove is formed in the surface of one side of each sliding groove.

Preferably, the surface of the pressure gauge body is provided with scales, and one side of the surface of the pressure gauge body, which is located at the scales, is provided with a U-shaped pipe.

Preferably, the bottom surface fixed connection of pressure gauge body has flexible post, the bottom surface of pressure gauge body is provided with the support base, just support the base through flexible post and pressure gauge body swing joint.

Preferably, the top surface of the U-shaped pipe is fixedly connected with a rubber tube, one end surface of the rubber tube is fixedly connected with a fixed block, one end surface of the rubber tube is provided with a rubber detection head, and the rubber tube is movably connected with the rubber detection head through the fixed block.

Preferably, the slide bars are provided with two groups and symmetrically installed on one side surface of the fixed block, the sliding grooves are provided with two groups and symmetrically provided on the inner surface of one side of the rubber detection head.

Preferably, the width of the sliding plate is smaller than that of the sliding groove, and the length of the clamping block is larger than the depth of the clamping groove.

Preferably, the sliding groove is 0.2 times of the sliding strip

Advantageous effects

Compared with the prior art, the utility model provides a liquid pressure gauge for physics experiments possesses following beneficial effect:

1. the slide bar and the slide groove are arranged, so that the later-stage disassembly is facilitated; the rubber test head after replacement after can be fixed dismantlement to spout, bolt, recess, the concave type board that sets up, and the effectual rubber test head of having avoided can not change after long-time the use problem, has prolonged the life of manometer body.

2. Through sliding plate, the sliding tray that sets up, the later stage of being convenient for is adjusted the height of being connected of flexible post and support base, and fixture block, spring, the draw-in groove of setting are convenient for fix the height of being connected after flexible post and support base adjust, and the effectual support base that has avoided supporting the manometer can not be along with the problem of the needs height-adjusting when experimenting, has improved the work efficiency of manometer body.

Drawings

Fig. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic structural view of the fixing block and the rubber detecting head shown in FIG. 1 according to the present invention;

FIG. 3 is a schematic top cross-sectional view of the rubber inspection head of FIG. 2 according to the present invention;

fig. 4 is an enlarged schematic view of a in fig. 3 according to the present invention;

fig. 5 is a schematic structural view of the telescopic column and the supporting base in fig. 1 according to the present invention;

FIG. 6 is a schematic cross-sectional view of the sliding plate of FIG. 5 according to the present invention

In the figure: 1. a pressure gauge body; 2. a fixed block; 3. a rubber detection head; 4. a telescopic column; 5. a support base; 6. calibration; 7. a "U" shaped tube; 8. a slide bar; 9. a chute; 10. a bolt; 11. fixing grooves; 12. an arc-shaped plate; 13. a groove; 14. connecting grooves; 15. a concave plate; 16. a sliding plate; 17. a clamping block; 18. a sliding groove; 19. a card slot; 20. a block slot; 21. a rubber tube; 22. a spring.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

As shown in fig. 1-6, the utility model provides a technical solution: the utility model provides a liquid pressure gauge for physics experiments, including pressure gauge body 1, fixed block 2, rubber detects head 3, flexible post 4, support base 5, arc type board 12, disassembly body and telescopic machanism, disassembly body is located fixed block 2 and rubber detects the junction of head 3, disassembly body includes draw runner 8, surface sentence fixedly connected with draw runner 8 around fixed block 2, spout 9 has all been seted up to rubber detects head 3's front and back inboard, fixed slot 11 has been seted up to a side surface of spout 9, and arc type board 12 is located the inside of pressure gauge body 1, recess 13 has been seted up on arc type board 12's surface, the inside of recess 13 is provided with concave type board 15, one side fixed surface of concave type board 15 is connected with bolt 10, the spread groove 14 that runs through is seted up to one side surface of flexible post 4, and one side of bolt 10 is located the outside of spread groove 14.

Please refer to fig. 5, the connection height between the telescopic column 4 and the supporting base 5 can be conveniently adjusted according to the requirement in the later stage of the test, in this embodiment, preferably, the telescopic mechanism is located at the connection position between the telescopic column 4 and the supporting base 5, the telescopic mechanism includes a sliding plate 16, the sliding plate 16 is fixedly connected to the front and rear surfaces of the telescopic column 4, a clamping block groove 20 is formed on the surface of the sliding plate 16, a spring 22 is fixedly connected to one side surface of the clamping block groove 20, a clamping block 17 is fixedly connected to one side of the spring 22, and one side of the clamping block 17 is located outside the clamping block groove 20, a sliding groove 18 is formed on the front and rear inner sides of the supporting base 5, and a through clamping groove 19 is formed on.

Referring to fig. 1, the scale 6 and the U-shaped tube 7 are provided to clearly understand the test result, in this embodiment, preferably, the scale 6 is provided on the surface of the pressure gauge body 1, and the U-shaped tube 7 is provided on the side of the surface of the pressure gauge body 1 on the scale 6.

Referring to fig. 1, the pressure gauge body 1 can be supported and fixed by the telescopic column 4 and the supporting base 5, in this embodiment, preferably, the telescopic column 4 is fixedly connected to the bottom end surface of the pressure gauge body 1, the supporting base 5 is arranged on the bottom end surface of the pressure gauge body 1, and the supporting base 5 is movably connected to the pressure gauge body 1 by the telescopic column 4.

Referring to fig. 1, the rubber tube 21 and the rubber detection head 3 can be movably connected through the fixing block 2, in this embodiment, preferably, the rubber tube 21 is fixedly connected to the top end surface of the "U" -shaped tube 7, the fixing block 2 is fixedly connected to one end surface of the rubber tube 21, the rubber detection head 3 is arranged on one end surface of the rubber tube 21, and the rubber tube 21 is movably connected to the rubber detection head 3 through the fixing block 2.

Referring to fig. 2, the fixed block 2 and the rubber detection head 3 are conveniently detached at a later stage by the arrangement of the sliding strips 8 and the sliding grooves 9, in this embodiment, preferably, two groups of the sliding strips 8 are arranged and symmetrically installed on one side surface of the fixed block 2, and two groups of the sliding grooves 9 are symmetrically arranged on one side inner surface of the rubber detection head 3.

Referring to fig. 5, it is convenient to slide the telescopic column 4 on the inner side of the supporting base 5 in the later period, and extend the locking block 17 out of the locking groove 19 to fix the connection between the telescopic column 4 and the supporting base 5, in this embodiment, preferably, the width of the sliding plate 16 is smaller than the width of the sliding groove 18, and the length of the locking block 17 is larger than the depth of the locking groove 19.

Referring to fig. 5, the slide bar 8 can slide on the slide groove 9, and in this embodiment, the slide groove 9 is preferably 0.2 times of the slide bar 8.

The working principle is as follows: after the device is installed, the bolt 10 is rotated outwards to drive the groove 13 to rotate so as to enable the arc-shaped plate 12 to leave the sliding strip 8, then the fixed block 2 and the rubber detection head 3 are detached through sliding between the sliding strip 8 and the sliding groove 9, the rubber detection head 3 can be replaced, the replaced rubber detection head 3 is connected with the sliding groove 9 through the sliding strip 8, then the bolt 10 is rotated inwards to drive the groove 13 to rotate so as to enable the arc-shaped plate 12 to be attached to the sliding strip 8, connection between the replaced fixed block 2 and the rubber detection head 3 can be fixed, and the rubber detection head 3 is prevented from sliding away from the fixed block 2 through the sliding groove 9; after the device installation is accomplished, extrusion fixture block 17 for spring 22 receives pressure, extrudes fixture block 17 to the inside of fixture block groove 20, then through the slip between sliding plate 16 and the sliding tray 18, can adjust the height of being connected between flexible post 4 and the support base 5, then through spring 22's resilience force, stretches out draw-in groove 19 with fixture block 17 bullet knot, can fix the height of being connected of flexible post 4 and support base 5 after adjusting.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A liquid pressure gauge for physical experiments comprises a pressure gauge body (1), a fixing block (2), a rubber detection head (3), a telescopic column (4), a supporting base (5), an arc-shaped plate (12), a dismounting mechanism and a telescopic mechanism, wherein the dismounting mechanism is positioned at the joint of the fixing block (2) and the rubber detection head (3), the dismounting mechanism comprises a slide bar (8), the front surface and the rear surface of the fixing block (2) are fixedly connected with the slide bar (8), the front inner side and the rear inner side of the rubber detection head (3) are both provided with a slide groove (9), one side surface of the slide groove (9) is provided with a fixing groove (11), the arc-shaped plate (12) is positioned inside the pressure gauge body (1), the surface of the arc-shaped plate (12) is provided with a groove (13), the inside of the groove (13) is provided with a concave plate (15), one side surface of the concave plate (15) is fixedly connected with a bolt (10), the outer surface of one side of flexible post (4) is seted up spread groove (14) that run through, just one side of bolt (10) is located the outside of spread groove (14).

2. A liquid pressure gauge for physical experiments according to claim 1, wherein: the telescopic mechanism is located at the joint of a telescopic column (4) and a support base (5), the telescopic mechanism comprises a sliding plate (16), the front surface and the rear surface of the telescopic column (4) are fixedly connected with the sliding plate (16), a clamping block groove (20) is formed in the surface of the sliding plate (16), a spring (22) is fixedly connected with the surface of one side of the clamping block groove (20), a clamping block (17) is fixedly connected with one side of the spring (22), one side of the clamping block (17) is located outside the clamping block groove (20), the inner side of the front side and the rear side of the support base (5) are provided with a sliding groove (18), and a through clamping groove (19) is formed in the surface of one side of the sliding groove (18).

3. A liquid pressure gauge for physical experiments according to claim 1, wherein: the pressure gauge is characterized in that scales (6) are arranged on the surface of the pressure gauge body (1), and a U-shaped pipe (7) is arranged on one side, located on the scales (6), of the surface of the pressure gauge body (1).

4. A liquid pressure gauge for physical experiments according to claim 1, wherein: the bottom surface fixed connection of pressure gauge body (1) has flexible post (4), the bottom surface of pressure gauge body (1) is provided with supports base (5), just support base (5) through flexible post (4) and pressure gauge body (1) swing joint.

5. A liquid pressure gauge for physical experiments according to claim 3, wherein: the rubber tube (21) is fixedly connected to the top end surface of the U-shaped tube (7), the fixing block (2) is fixedly connected to one end surface of the rubber tube (21), the rubber detection head (3) is arranged on one end surface of the rubber tube (21), and the rubber tube (21) is movably connected with the rubber detection head (3) through the fixing block (2).

6. A liquid pressure gauge for physical experiments according to claim 1, wherein: the sliding strips (8) are arranged in two groups and symmetrically arranged on one side surface of the fixed block (2), the sliding grooves (9) are arranged in two groups and symmetrically arranged on the inner surface of one side of the rubber detection head (3).

7. A liquid pressure gauge for physical experiments according to claim 2, wherein: the width of the sliding plate (16) is smaller than that of the sliding groove (18), and the length of the clamping block (17) is larger than the depth of the clamping groove (19).

8. A liquid pressure gauge for physical experiments according to claim 1, wherein: the sliding groove (9) is 0.2 times of the sliding strip (8).