CN211477496U - Diaphragm capsule subassembly - Google Patents

Abstract

The utility model discloses a diaphragm capsule subassembly, including drive mechanism, first screw, zinc-plated square iron plate, coupling nut, two diaphragms, first stand, spring, second screw and second stand, the screw hole has all been seted up in zinc-plated square iron plate's four corners, zinc-plated square iron plate's left end has first screw through screw hole locking connection, the spring has been cup jointed to the lower extreme outside of first screw, first stand has been cup jointed to the upper end outside of first screw, zinc-plated square iron plate's right-hand member has the second screw through screw hole locking connection, the second stand has been cup jointed to the outside of second screw, two diaphragms are installed to zinc-plated square iron plate's top, drive mechanism is installed to the top of two diaphragms, install coupling nut on zinc-plated square iron plate's the lower surface. Replace traditional circular copper plate for the square iron plate of zinc-plating, the single diaphragm is replaced for two diaphragms, reduces the manufacturing cost of diaphragm capsule subassembly, and enlarges the application range of product.

Description

Diaphragm capsule subassembly

Technical Field

The utility model relates to a bellows manometer technical field especially relates to a bellows subassembly.

Background

The capsule pressure gauge is also called micro-pressure gauge. The device is suitable for measuring the low micro pressure of liquid, gas or steam which has no explosion hazard, crystallization or solidification and has no corrosion effect on copper and copper alloy; the capsule pressure gauge adopts a capsule as a sensitive element for measuring micro pressure, measures the micro pressure and the negative pressure which do not have corrosion action on copper alloy and do not have explosion hazard gas, and is widely applied to other similar equipment such as boiler ventilation, gas pipelines, combustion devices and the like. The stainless steel diaphragm capsule pressure gauge is made of stainless steel materials according to the pressure guide system and the shell. The method is applied to the measurement of the micro-pressure and the negative pressure of various gas media in the process flow with higher corrosion resistance requirements.

The meter consists of a measuring system (including a joint, a bellows and the like), a transmission mechanism (including a pulling rod mechanism and a gear transmission mechanism), an indicating part (including a pointer and a dial) and a shell (including a shell, a lining ring and a glass). The working principle of the instrument is that under the pressure action of the tested medium, the free end of the bellows produces corresponding elastic deformation, and then is transmitted and amplified by the gear transmission mechanism, and the measured value is indicated on the dial by the pointer fixed on the gear shaft. And the zero setting device is also used for conveniently adjusting the zero position. However, the diaphragm capsule assembly used in the existing micro-pressure gauge is formed by assembling a transmission mechanism, a screw, a column, a spring, a copper plate, a connecting nut and an imported single diaphragm, wherein the (56.5mmx1.5mm) round copper plate and the imported single diaphragm are high in cost, so that the manufacturing cost of the micro-pressure assembly is high, the minimum absolute value of the single diaphragm is 2KPA, and the application range of a product is greatly limited.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a diaphragm capsule subassembly replaces traditional circular copper for the square iron plate of zinc-plating, and the single diaphragm is changed to two diaphragms, reduces the manufacturing cost of diaphragm capsule subassembly, and enlarges the application range of product, has solved the problem among the prior art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a diaphragm capsule subassembly, includes drive mechanism, first screw, zinc-plated square iron plate, coupling nut, two diaphragms, first stand, spring, second screw and second stand, threaded hole has all been seted up in the four corners of zinc-plated square iron plate, the left end of zinc-plated square iron plate has first screw through screw hole locking connection, the spring has been cup jointed to the lower extreme outside of first screw, first stand has been cup jointed to the upper end outside of first screw, the right-hand member of zinc-plated square iron plate has the second screw through screw hole locking connection, the second stand has been cup jointed to the outside of second screw, two diaphragms are installed to the top of zinc-plated square iron plate, drive mechanism is installed to the top of two diaphragms, install coupling nut on the lower surface of zinc-plated square iron plate.

Preferably, drive mechanism includes zero setting board, core, gear, driving lever and dial plate, and the middle part of first screw is connected with zero setting board, and double diaphragm is connected with the gear through the driving lever, and the mid-mounting of gear has the core, and the run-through connection of core has the dial plate and extends to the top of dial plate.

Preferably, the connecting nut is connected with a pressure pipe, one end of the pressure pipe is connected with the double diaphragms, and the other end of the pressure pipe is connected with the pipe joint.

Preferably, the movement is connected with a pointer.

Preferably, the double-diaphragm comprises an upper diaphragm and a lower diaphragm, the edge of the upper diaphragm is welded with the lower diaphragm, the upper diaphragm and the lower diaphragm are both disc-shaped, and the middle of the lower diaphragm is connected with a pressure guide pipe.

Compared with the prior art, the beneficial effects of the utility model are as follows:

the utility model discloses a diaphragm capsule subassembly, by drive mechanism, first screw, zinc-plated square iron plate, coupling nut, two diaphragms, first stand, a spring, the second screw, the second stand constitutes, wherein, two diaphragm free ends pressurized and produce the displacement, it is rotatory to drive the gear on the core through the driving lever, it indicates that measured pressure value indicates again to be instructed out on the dial plate by the pointer, drive the gear reply on the drive core through the zero setting board after the instruction and zero set, replace traditional circular copper for zinc-plated square iron plate, the single diaphragm is changed to two diaphragms, reduce the manufacturing cost of diaphragm capsule subassembly, and the minimum absolute value of two diaphragms is 1KPA, the minimum absolute value 2KPA who compares the single diaphragm has reduced one time, enlarge the application range of product.

Drawings

FIG. 1 is an overall structure diagram of the present invention;

FIG. 2 is a structural view of a galvanized square iron plate of the present invention;

FIG. 3 is a diagram of the dual diaphragm assembly of the present invention;

fig. 4 is an exploded view of the dual diaphragm of the present invention.

In the figure: 1. a transmission mechanism; 11. a zero setting plate; 12. a movement; 13. a gear; 14. a deflector rod; 15. a dial plate; 2. a first screw; 121. a pointer; 3. galvanizing a square iron plate; 31. a threaded hole; 4. a connecting nut; 41. a pressure guide pipe; 42. a pipe joint; 5. a double diaphragm; 51. an upper diaphragm; 52. a lower diaphragm; 6. a first upright post; 7. a spring; 8. a second screw; 9. and a second upright.

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.

Referring to fig. 1-2, a diaphragm capsule assembly comprises a transmission mechanism 1, a first screw 2, a galvanized square iron plate 3, a connecting nut 4, a double diaphragm 5, a first upright post 6, a spring 7, a second screw 8 and a second upright post 9, wherein threaded holes 31 are respectively formed at four corners of the galvanized square iron plate 3, the left end of the galvanized square iron plate 3 is connected with the first screw 2 through the threaded holes 31 in a locking manner, the spring 7 is sleeved outside the lower end of the first screw 2, the first upright post 6 is sleeved outside the upper end of the first screw 2, the second screw 8 is connected at the right end of the galvanized square iron plate 3 through the threaded holes 31 in a locking manner, the second upright post 9 is sleeved outside the second screw 8, the double diaphragm 5 is installed above the galvanized square iron plate 3, the transmission mechanism 1 is installed above the double diaphragm 5, the transmission mechanism 1 comprises a zero adjustment plate 11, a machine core 12, a gear 13, a deflector rod 14 and a dial 15, the middle part of the first screw 2 is connected with a zero setting plate 11, the double diaphragm 5 is connected with a gear 13 through a deflector rod 14, the middle part of the gear 13 is provided with a machine core 12, the machine core 12 is connected with a dial 15 in a penetrating way and extends to the upper part of the dial 15, the pressure of a measured medium enters an inner cavity formed by the double diaphragm 5 from a pressure guide pipe 41, the free end of the double diaphragm 5 is pressed to generate displacement, the deflector rod 14 drives the gear 13 on the machine core 12 to rotate, meanwhile, a spring 7 connected with the outside of the first screw 2 generates elastic deformation, a pointer 121 indicates that the measured pressure value is indicated on the dial 15, the spring 7 connected with the outside of the first screw 2 generates elastic return after the pressure of the free end of the double diaphragm 5 is reduced, the gear 13 on the machine core 12 is driven to return through the zero setting plate 11 to carry out zero setting after the indication, a connecting nut 4 is arranged, one end of the pressure guide pipe 41 is connected with the double diaphragm 5, the other end of the pressure guide pipe is connected with the pipe joint 42, the galvanized square iron plate 3 is an iron plate with the thickness of 56.5mmx56.5mmx1.5mm, the four corners of the iron plate are tapped to form threaded holes 31, the threaded holes 31 are convenient for installation of the formed iron plate, through holes are punched in the middle of the iron plate and used for installing the pressure guide pipe 41, then the iron plate is galvanized after being heated, and a passivation film is formed on the surface of the iron plate, so that the galvanized square iron plate 3 has good corrosion.

Referring to fig. 3-4, the double diaphragm 5 includes an upper diaphragm 51 and a lower diaphragm 52, the lower diaphragm 52 is welded to the edge of the upper diaphragm 51, the upper diaphragm 51 and the lower diaphragm 52 are both disc-shaped, and the middle of the lower diaphragm 52 is connected to the pressure pipe 41.

The working principle is as follows: the pressure of the measured medium enters the inner cavity formed by the double diaphragms 5 from the pressure guide pipe 41, the free ends of the double diaphragms 5 are pressed to generate displacement, the gear 13 on the machine core 12 is driven to rotate through the shifting rod 14, the pointer 121 indicates that the measured pressure value is indicated on the dial 15, and the gear 13 on the machine core 12 is driven to return to zero through the zero setting plate 11 after indication.

To sum up: the utility model discloses a diaphragm capsule subassembly, by drive mechanism 1, first screw 2, zinc-plated square iron plate 3, coupling nut 4, two diaphragms 5, first stand 6, spring 7, second screw 8, second stand 9 constitutes, wherein 5 free ends pressurized of two diaphragms and produce the displacement, it is rotatory to drive gear 13 on the core 12 through driving lever 14, pointer 121 indicates again that measured pressure value indicates to indicate on dial plate 15, drive gear 13 on the core 12 through zero setting board 11 and reply and zero set after the instruction, replace traditional circular copper plate for zinc-plated square iron plate 3, the single diaphragm is changed to two diaphragms 5, reduce the manufacturing cost of diaphragm capsule, and the minimum absolute value of two diaphragms 5 is 1KPA, the minimum absolute value 2KPA who compares the single diaphragm has reduced one time, enlarge the application range of product.

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.

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 (5)

1. The utility model provides a diaphragm capsule subassembly, includes drive mechanism (1), first screw (2), zinc-plated square iron plate (3), coupling nut (4), two diaphragms (5), first stand (6), spring (7), second screw (8) and second stand (9), its characterized in that: threaded holes (31) are all formed in the four corners of the galvanized square iron plate (3), the left end of the galvanized square iron plate (3) is connected with a first screw (2) through a threaded hole (31) in a locking mode, a spring (7) is sleeved outside the lower end of the first screw (2), a first stand column (6) is sleeved outside the upper end of the first screw (2), the right end of the galvanized square iron plate (3) is connected with a second screw (8) through a threaded hole (31) in a locking mode, a second stand column (9) is sleeved outside the second screw (8), double diaphragms (5) are installed above the galvanized square iron plate (3), a transmission mechanism (1) is installed above the double diaphragms (5), and connecting nuts (4) are installed on the lower surface of the galvanized square iron plate (3).

2. The diaphragm capsule assembly of claim 1, wherein: drive mechanism (1) is connected with zero setting board (11) including zero setting board (11), core (12), gear (13), driving lever (14) and dial plate (15) in the middle part of first screw (2), and double diaphragm (5) are connected with gear (13) through driving lever (14), and the mid-mounting of gear (13) has core (12), and the through connection of core (12) has dial plate (15) and extends to the top of dial plate (15).

3. The diaphragm capsule assembly of claim 1, wherein: the connecting nut (4) is connected with a pressure guide pipe (41), one end of the pressure guide pipe is connected with the double diaphragms (5), and the other end of the pressure guide pipe is connected with a pipe joint (42).

4. The diaphragm capsule assembly of claim 2, wherein: the movement (12) is connected with a pointer (121).

5. The diaphragm capsule assembly of claim 1, wherein: the double-diaphragm (5) comprises an upper diaphragm (51) and a lower diaphragm (52), the lower diaphragm (52) is welded at the edge of the upper diaphragm (51), and the middle parts of the upper diaphragm (51) and the lower diaphragm (52) which are both disc-shaped and the lower diaphragm (52) are connected with a pressure guide pipe (41).

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