CN203337309U - Pressure gauge - Google Patents

Pressure gauge Download PDF

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Publication number
CN203337309U
CN203337309U CN2013204257650U CN201320425765U CN203337309U CN 203337309 U CN203337309 U CN 203337309U CN 2013204257650 U CN2013204257650 U CN 2013204257650U CN 201320425765 U CN201320425765 U CN 201320425765U CN 203337309 U CN203337309 U CN 203337309U
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CN
China
Prior art keywords
tensimeter
fixed part
bourdon tube
hole
base
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN2013204257650U
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Chinese (zh)
Inventor
洪英智
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Active Tools International HK Ltd
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Active Tools International HK Ltd
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Priority to CN2013204257650U priority Critical patent/CN203337309U/en
Application granted granted Critical
Publication of CN203337309U publication Critical patent/CN203337309U/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

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Abstract

The utility model discloses a pressure gauge which comprises a base (1), a spring tube (2), a pointer shaft (3), a pointer (4) and an indicating panel (5). The spring tube (2) is connected the pointer shaft (3) and can drive the pointer shaft (3) to rotate. One end of the spring tube (2) is provided with a fixed part (21). The base (1) is provided with an installation part (11) which is internally provided with an opening slot (12). The fixed part (21) is installed in the opening slot (12). The bottom of the opening slot (12) is provided with a first through hole (13) for gas circulation. The first through hole (13) is communicated with the fixed part (21). The pressure gauge has the advantages that one end of the spring tube is provided with the fixed part, the base is provided with the installation part which is provided with the opening slot which is equipped with the fixed part, the bottom of the opening slot is provided with the first through hole and other structures which are communicated with the fixed part, the structure is simple, and the cost is low.

Description

Tensimeter
Technical field
The utility model relates to the industrial instrument technical field, more particularly, relates to a kind of tensimeter.
Background technology
In prior art, usually adopt tensimeter with the pressure in the gaging pressure container.Common manometric principle of work is: the gas in pressure vessel enters in c-shaped bourdon tube, now, the free end of bourdon tube produces displacement and (when tested pressure is greater than atmospheric pressure, makes the used time bourdon tube and expand outwardly, the used time bourdon tube of doing that is less than atmospheric pressure when tested pressure inwardly shrinks), then drive needle deflection through structures such as linkage magnification system, sector gear, pinion wheels successively, thereby indicate the size of pressure.This kind of manometric complex structure, cost is higher.
The utility model content
The technical problems to be solved in the utility model is, the above-mentioned higher defect of manometric complex structure, cost for prior art, provide a kind of tensimeter simple in structure, lower-cost.
The utility model solves the technical scheme that its technical matters adopts:
The utility model has been constructed a kind of tensimeter, comprises base, is arranged on described base and c-shaped bourdon tube, is installed in rotation on needle pivot on described base, is fixedly connected on pointer and indication panel on described needle pivot; Described bourdon tube is connected, also can drives described needle pivot rotation with described needle pivot; One end of described bourdon tube is provided with the fixed part that bends and be connected with described bourdon tube to described base center; End face adjacent with described bourdon tube on described base is provided with the installation portion that is convex, is provided with the open slot suitable with described fixed part on described installation portion; Described fixed part is arranged in described open slot; The bottom of described open slot is provided with the first through hole for the supplied gas circulation, and described the first through hole is connected with described fixed part.
In tensimeter described in the utility model, described installation portion comprises the right cylinder of the center position that is arranged at described base and by the extended installing plate of described cylindrical outer circumference surface; Described open slot is extended to described installing plate by cylindrical center, and the opening of described open slot is arranged on described installing plate away from a described cylindrical side.
In tensimeter described in the utility model, described tensimeter also comprises connecting pipe; One end of described connecting pipe is connected with described fixed part, and the other end is connected with described the first through hole.
In tensimeter described in the utility model, described indication panel is fixedly mounted on described installation portion by the first screw element.
In tensimeter described in the utility model, described tensimeter also comprises transparent table cover and watchcase; Described base, described bourdon tube, described needle pivot, described pointer and described indication panel all are arranged in described watchcase; Described transparent table cover is arranged on the top of described watchcase.
In tensimeter described in the utility model, described tensimeter also comprises pull bar; One end of described pull bar is connected with the end away from described fixed part on described bourdon tube, and the other end of described pull bar is connected with described needle pivot.
In tensimeter described in the utility model, the two ends of described pull bar are respectively arranged with crotch section; Two described crotch sections bend in opposite directions; An end away from described fixed part on described bourdon tube is provided with brace; Be provided with the first connecting hole on described brace; Be provided with the annular boss coaxial with described needle pivot on the outer circumference surface of described needle pivot; Be provided with the second connecting hole on described annular boss; Two described crotch sections are connected to respectively in the first connecting hole and described the second connecting hole accordingly.
In tensimeter described in the utility model, the bottom dead center position place of described base is provided with for described tensimeter is arranged on to the threaded connector on pressure vessel; The second through hole is set on described threaded connector; Described the second through hole is connected with described the first through hole.
In tensimeter described in the utility model, two locating parts for the slewing area that limits described pointer are installed on described indication panel.
In tensimeter described in the utility model, on described indication panel, be provided with scale marker; Be provided with the high precision indicator on described scale marker.
Implement tensimeter of the present utility model, have following beneficial effect: tensimeter adopts an end of bourdon tube to be provided with bottom that end face adjacent with bourdon tube on fixed part, base is provided with the open slot that is provided with mounting part on installation portion, installation portion, open slot and is provided with for supplied gas circulation the structures such as the first through hole that are connected with fixed part, and it is simple in structure, cost is lower.
The accompanying drawing explanation
Below in conjunction with drawings and Examples, the utility model is described in further detail, in accompanying drawing:
Fig. 1 is the manometric exploded perspective view that the utility model preferred embodiment provides;
Fig. 2 is the perspective view of the tensimeter inside shown in Fig. 1;
Fig. 3 is pull bar linking springs pipe in the tensimeter shown in Fig. 1 and the perspective view of needle pivot;
Fig. 4 is the perspective view of the base in the tensimeter shown in Fig. 1;
Fig. 5 is another perspective view of the base in the tensimeter shown in Fig. 1;
Fig. 6 is the perspective view of the needle pivot in the tensimeter shown in Fig. 1;
Fig. 7 is the perspective view of the pull bar in the tensimeter shown in Fig. 1;
Fig. 8 is the structural representation of the indication panel in the tensimeter shown in Fig. 1.
Embodiment
Understand for technical characterictic of the present utility model, purpose and effect being had more clearly, now contrast accompanying drawing and describe embodiment of the present utility model in detail.
As shown in Figure 1, Figure 2, Figure 3 shows, preferred embodiment of the present utility model provides a kind of tensimeter, and it comprises base 1, bourdon tube 2, needle pivot 3, pointer 4 and indication panel 5.Base 1 is roughly disc structure.Bourdon tube 2 is c-shaped, and it is arranged on base 1.Bourdon tube 2 also is referred to as Baden pipe, and when the gas in pressure vessel enters the inside of bourdon tube 2, bourdon tube 2 can produce and inwardly shrinks or expand outwardly motion.Needle pivot 3 is roughly cylindrical-shaped structure, and it is installed in rotation on base 1.Bourdon tube 2 is connected with needle pivot 3, can drive needle pivot 3 and rotate.Needle pivot 3 is fixedly connected with pointer 4 through indication panel 5, thereby can drive pointer 4 while making needle pivot 3 rotate, rotates.In this embodiment, an end of bourdon tube 2 is provided with to the fixed part 21 of base 1 center bending, and this fixed part 21 is connected and is fixedly connected with bourdon tube 2.Be understandable that, fixed part 21 is similar with the shape material of bourdon tube 2, and both can adopt integrated structure.
As shown in Figure 4, the top of base 1 is provided with the installation portion 11 that is convex.Be provided with the open slot 12 suitable with fixed part 21 on this installation portion 11.This open slot 12 is roughly kidney-shaped, and fixed part 21 is arranged in open slot 12, bourdon tube 2 firmly can be arranged on base 1.In this embodiment, installation portion 11 comprises the right cylinder 111 of the center position that is arranged at base 1 and by the extended installing plate 112 of the outer circumference surface of this right cylinder 111.Open slot 12 is extended to installing plate 112 by the center of right cylinder 111, and the opening of open slot 12 is arranged on installing plate 112 side away from right cylinder 111.Be understandable that, installation portion 11 also can adopt other structure, can adopt the structures such as rectangular parallelepiped or square as installation portion 11.
The bottom of open slot 12 is provided with the first through hole 13 for the supplied gas circulation.In this embodiment, the first through hole 13 is circular port, and it is connected with fixed part 21.The gas in the first through hole 13 is understandable that, is provided with the structure be connected with the first through hole 13 in fixed part 21, so that can be circulated in fixed part 21.When described tensimeter is used for the pressure of gaging pressure container, gas in pressure vessel enters in bourdon tube 2 by the first through hole 13, fixed part 21 successively, bourdon tube 2 produces and inwardly shrinks or expand outwardly motion, now, bourdon tube 2 drives pointer 4 by needle pivot 3 and rotates, thereby can indicate the pressure value in pressure vessel.Described tensimeter adopts structure as above, and its structure is comparatively simple and cost is lower.
As shown in Figure 8, in the present embodiment, be provided with scale marker 52 on indication panel 5, be used to indicate pressure value.Be provided with high precision indicator 53 on scale marker 52, this high precision indicator 53 is the zone that described tensimeter error is minimum, precision is the highest.When pointer 4 turns to this high precision indicator 53, show the force value error minimum of described gauge measurement.This high precision indicator 53 is set according to the characteristic (as thickness, volume etc.) of the bourdon tube 2 of selecting, is understandable that, and bourdon tube 2 differences of selecting, the numerical range of high precision indicator 53 is also different.Described tensimeter can carry out to some spot pressures the measurement of degree of precision.Adopt said structure, simplified described manometric manufacturing process, thereby reduced described manometric production cost.
Particularly, as shown in Figure 3, in the present embodiment, described tensimeter also comprises connecting pipe 22.Connecting pipe 22 is L-shaped, and the one end is connected with fixed part 21, and the other end is connected with the first through hole 13.Understandable, connecting pipe 22 is not limited to L shaped structure, and it also can adopt other structure, and strip for example only needs to realize that being communicated with between the first through hole 13 and fixed part 21 gets final product.
As shown in Figure 1, two locating parts 51 are installed on indication panel 5.Locating part 51 is roughly the round bar structure, and two locating parts 51 are separately positioned on the both sides of scale marker 52 in indication panel 5, for the slewing area of limit pointer 4.In this embodiment, locating part 51 can adopt the structure of threaded connector or pin.Indication panel 5 is fixedly mounted on installation portion 11 by the first screw element 9.In this embodiment, the first screw element 9 is provided with two, and two the first screw elements 9 are evenly arranged and pass the top that indication panel 5 is fixedly connected on installation portion 11.Refer to shown in Fig. 1, described tensimeter also comprises transparent table cover 7, watchcase 8 and the second screw element 10.Base 1, bourdon tube 2, needle pivot 3, pointer 4 and indication panel 5 all are arranged on the inside of this watchcase 8.Transparent table cover 7 is arranged on the top of watchcase 8, thereby said structure is arranged on hermetically in the space of transparent table cover 7 and watchcase 8 formation.The second screw element 10 passes watchcase 8 and is connected with the bottom of base 1, thereby watchcase 8 is fixedly mounted on base 1.In this embodiment, the second screw element 10 also is provided with two, and two the second screw elements 10 are evenly arranged on watchcase 8.Be understandable that, the quantity of the first screw element 9, the second screw element 10 can also have other selection.
As shown in Figure 1, Figure 7 shows, in the present embodiment, described tensimeter also comprises pull bar 6.One end of pull bar 6 is connected with the end away from fixed part 21 on bourdon tube 2, and the other end of pull bar 6 is connected with needle pivot 3.
Further, the two ends of pull bar 6 are respectively arranged with crotch section 61.Two crotch sections 61 are connected with bourdon tube 2, needle pivot 3 respectively.
Further, refer to shown in Fig. 3, the end away from described fixed part 21 on bourdon tube 2 is provided with brace 23.Brace 23 is roughly circular schistose texture, is provided with the first connecting hole 24 on it.Refer to shown in Fig. 6, be provided with annular boss 31 on the outer circumference surface of needle pivot 3, this annular boss 31 is coaxial with needle pivot 3.Be provided with the second connecting hole 32 on annular boss 31.Two crotch sections 61 correspondingly are connected to respectively in the first connecting hole 24 and the second connecting hole 32, so that pull bar 6 is connected between bourdon tube 2 and needle pivot 3.
As shown in Figure 5, in the present embodiment, the bottom dead center position place of base 1 is provided with threaded connector 14.This threaded connector 14 is external thread connector, by this threaded connector 14, described tensimeter can be arranged on pressure vessel.The second through hole 15 is set on threaded connector 14.The second through hole 15 is circular port, and it is connected with the first through hole 13.In this embodiment, the second through hole 15 is coaxial with threaded connector 14, the first through hole 13 respectively.When described tensimeter, during for the pressure of gaging pressure container, the gas in pressure vessel enters in bourdon tube 2 by the second through hole 15, the first through hole 13, fixed part 21 successively, so that bourdon tube 2 produces, inwardly shrinks or expands outwardly motion.
The above is described embodiment of the present utility model by reference to the accompanying drawings; but the utility model is not limited to above-mentioned embodiment; above-mentioned embodiment is only schematic; rather than restrictive; those of ordinary skill in the art is under enlightenment of the present utility model; not breaking away from the scope situation that the utility model aim and claim protect, also can make a lot of forms, within these all belong to protection of the present utility model.

Claims (10)

1. a tensimeter, comprise base (1), be arranged on the upper and c-shaped bourdon tube (2) of described base (1), be installed in rotation on needle pivot (3) on described base (1), be fixedly connected on pointer (4) and indication panel (5) on described needle pivot (3); Described bourdon tube (2) is connected, also can drives described needle pivot (3) rotation with described needle pivot (3); It is characterized in that: an end of described bourdon tube (2) is provided with the fixed part (21) that bends and be connected with described bourdon tube (2) to described base (1) center; The upper end face adjacent with described bourdon tube (2) of described base (1) is provided with the installation portion (11) that is convex, is provided with the open slot (12) suitable with described fixed part (21) on described installation portion (11); Described fixed part (21) is arranged in described open slot (12); The bottom of described open slot (12) is provided with the first through hole (13) for the supplied gas circulation, and described the first through hole (13) is connected with described fixed part (21).
2. tensimeter according to claim 1, it is characterized in that, described installation portion (11) comprises the right cylinder (111) of the center position that is arranged at described base (1) and by the extended installing plate of outer circumference surface (112) of described right cylinder (111); Described open slot (12) is extended to described installing plate (112) by the center of described right cylinder (111), and the opening of described open slot (12) is arranged on the upper side away from described right cylinder (111) of described installing plate (112).
3. tensimeter according to claim 1, is characterized in that, described tensimeter also comprises connecting pipe (22); One end of described connecting pipe (22) is connected with described fixed part (21), and the other end is connected with described the first through hole (13).
4. tensimeter according to claim 1, is characterized in that, described indication panel (5) is fixedly mounted on described installation portion (11) by the first screw element (9).
5. tensimeter according to claim 1, is characterized in that, described tensimeter also comprises transparent table cover (7) and watchcase (8); Described base (1), described bourdon tube (2), described needle pivot (3), described pointer (4) and described indication panel (5) all are arranged on described watchcase (8) inside; Described transparent table cover (7) is arranged on the top of described watchcase (8).
6. tensimeter according to claim 1, is characterized in that, described tensimeter also comprises pull bar (6); One end of described pull bar (6) is connected with the upper end away from described fixed part (21) of described bourdon tube (2), and the other end of described pull bar (6) is connected with described needle pivot (3).
7. tensimeter according to claim 6, is characterized in that, the two ends of described pull bar (6) are respectively arranged with crotch section (61); Two described crotch sections (61) bend in opposite directions; The upper end away from described fixed part (21) of described bourdon tube (2) is provided with brace (23); Be provided with the first connecting hole (24) on described brace (23); Be provided with the annular boss (31) coaxial with described needle pivot (3) on the outer circumference surface of described needle pivot (3); Be provided with the second connecting hole (32) on described annular boss (31); Two described crotch sections (61) correspondingly are connected to respectively in described the first connecting hole (24) and described the second connecting hole (32).
8. tensimeter according to claim 1, is characterized in that, the bottom dead center position place of described base (1) is provided with for described tensimeter being arranged on to the threaded connector (14) on pressure vessel; The second through hole (15) is set on described threaded connector (14); Described the second through hole (15) is connected with described the first through hole (13).
9. tensimeter according to claim 1, is characterized in that, two locating parts (51) for the slewing area that limits described pointer (4) are installed on described indication panel (5).
10. tensimeter according to claim 1, is characterized in that, is provided with scale marker (52) on described indication panel (5); Be provided with high precision indicator (53) on described scale marker (52).
CN2013204257650U 2013-07-17 2013-07-17 Pressure gauge Expired - Fee Related CN203337309U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2013204257650U CN203337309U (en) 2013-07-17 2013-07-17 Pressure gauge

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Application Number Priority Date Filing Date Title
CN2013204257650U CN203337309U (en) 2013-07-17 2013-07-17 Pressure gauge

Publications (1)

Publication Number Publication Date
CN203337309U true CN203337309U (en) 2013-12-11

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Family Applications (1)

Application Number Title Priority Date Filing Date
CN2013204257650U Expired - Fee Related CN203337309U (en) 2013-07-17 2013-07-17 Pressure gauge

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015006945A1 (en) * 2013-07-17 2015-01-22 冠翔(香港)工业有限公司 Pressure gauge
CN105043637A (en) * 2015-06-04 2015-11-11 肖叶 Mechanical type pressure gauge

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2015006945A1 (en) * 2013-07-17 2015-01-22 冠翔(香港)工业有限公司 Pressure gauge
CN105043637A (en) * 2015-06-04 2015-11-11 肖叶 Mechanical type pressure gauge

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C14 Grant of patent or utility model
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20131211

Termination date: 20150717

EXPY Termination of patent right or utility model