CN216410488U

CN216410488U - Small medical diaphragm pressure gauge

Info

Publication number: CN216410488U
Application number: CN202123263893.3U
Authority: CN
Inventors: 吴建明; 吴炯珊; 吴美花
Original assignee: Suzhou Power Meter Co ltd
Current assignee: Suzhou Power Meter Co ltd
Priority date: 2021-12-23
Filing date: 2021-12-23
Publication date: 2022-04-29
Anticipated expiration: 2031-12-23

Abstract

The utility model discloses a small medical diaphragm pressure gauge, and relates to the technical field of diaphragm pressure gauges. The utility model provides a difference reducing structure, a dust cover assembly and an installation structure, wherein a first ring sleeve and a second ring sleeve are arranged on the outer sides of an upper flange plate and a lower flange plate, bolts penetrate through a connecting plate and screw nuts, the upper flange plate and the lower flange plate are tightly pressed and attached into a groove through the arrangement of inclined planes, the installation is completed through screwing the nuts, the number of the screwed nuts is reduced compared with that of a common flange plate, the device is convenient to disassemble and assemble, the heat dissipation performance of the device is improved through the arrangement of a first radiating fin and a second radiating fin, the interference of temperature to sealing liquid is reduced, when the upper flange plate is subjected to vibration, the damping effect is achieved through the arrangement of a first spring, the interference of the vibration to the device is reduced, and the measurement precision is effectively improved.

Description

Small medical diaphragm pressure gauge

Technical Field

The utility model relates to the technical field of diaphragm pressure gauges, in particular to a small medical diaphragm pressure gauge.

Background

The diaphragm pressure is composed of a diaphragm isolator and a general pressure instrument, the connection mode of the diaphragm pressure gauge and equipment mainly comprises threaded connection, flange connection, sanitary clamp type and the like, and the gauge is suitable for measuring medium pressure with strong corrosion, high temperature, high viscosity, easy crystallization, easy solidification and solid plankton and occasions in which the measured medium directly enters the general pressure instrument and precipitates are prevented from accumulating and are easy to clean.

The current ordinary diaphragm pressure gauge adopts flange mounting, need screw up a plurality of nuts, and the installation is comparatively wasted time and energy, and the dial plate is in external for a long time, easily falls dirt, and the temperature influences the coefficient of expansion of sealing liquid easily, and the device can receive the tremble of pipeline when using to influence measurement accuracy.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a small medical diaphragm pressure gauge, and aims to solve the problems that the existing common diaphragm pressure gauge in the background art is flange-mounted, a plurality of nuts need to be screwed, the mounting is time-consuming and labor-consuming, a dial is in the outside for a long time, dust is easy to fall, the expansion coefficient of sealing liquid is easy to influence due to temperature, and the device is vibrated by a pipeline when in use, so that the measurement precision is influenced.

In order to achieve the purpose, the utility model provides the following technical scheme: a small medical diaphragm pressure gauge comprises an upper flange plate, wherein a base is fixedly mounted at the top of the upper flange plate, a connecting rod is fixedly mounted on the upper end face of the base, and a difference reducing structure is arranged on the outer side of the connecting rod;

the top of the connecting rod is fixedly provided with a dial plate, and the outer side of the dial plate is provided with a dust cover assembly;

the inner part of the upper flange plate is fixedly provided with an isolation diaphragm, the bottom of the upper flange plate is provided with a lower flange plate, and the outer sides of the upper flange plate and the lower flange plate are provided with mounting structures.

Preferably, the difference reducing structure comprises a first radiating fin, a second radiating fin, a first spring and a damping sleeve, the first radiating fin is fixedly mounted on the outer side of the upper flange plate, the second radiating fin is fixedly mounted on the outer side of the base, and the first radiating fin and the second radiating fin are of disc-shaped structures.

Preferably, the outer side of the base is fixedly connected with one end of a first spring, the other end of the first spring is fixedly connected with a damping sleeve, and the damping sleeve is located on the outer side of the connecting rod and is in sliding connection with the connecting rod.

Preferably, the dust cover subassembly includes end cover, shroud, window, inserted block, draw-in groove, spout, spring two, fixture block and sealing washer, the end cover passes through the hinge and is connected for rotating with the shroud, the outside fixed mounting of shroud has the window, the window adopts transparent ya keli material, the equal fixed mounting in the outside of end cover and shroud has the sealing washer.

Preferably, the outside fixed mounting of shroud has the inserted block, the draw-in groove has been seted up to the bottom of inserted block, the inserted block closes with the end cover for inserting and is connected, the inside reservation of end cover has the spout, the inboard of spout passes through spring two and fixture block interconnect, the fixture block is connected for the block with the draw-in groove.

Preferably, the mounting structure comprises a first ring sleeve, a second ring sleeve, a groove, an inclined plane, a connecting plate, a bolt and a nut, the first ring sleeve is rotatably connected with the second ring sleeve through a hinge, the inner sides of the first ring sleeve and the second ring sleeve are both provided with the groove, and the outer side of the groove is provided with the inclined plane.

Preferably, the outer sides of the first ring sleeve and the second ring sleeve are fixedly provided with connecting plates, bolts are arranged on the inner sides of the connecting plates and are in sliding connection with the connecting plates, nuts are arranged on the outer sides of the bolts and are in threaded connection with the bolts.

Compared with the prior art, the small medical diaphragm pressure gauge provided by the utility model has the following beneficial effects:

the utility model provides a reducing structure, a dust cover assembly and a mounting structure, wherein a ring sleeve I and a ring sleeve II are placed on the outer sides of an upper flange plate and a lower flange plate, bolts penetrate through a connecting plate and are screwed with nuts, the upper flange plate and the lower flange plate are tightly pressed and attached into a groove through the arrangement of inclined planes, the mounting is completed through screwing the nuts, the number of the screwed nuts is reduced compared with that of a common flange plate, the device is convenient to disassemble and assemble, a bottom cover and a cover are arranged on the outer side of a dial plate to play a role in protecting the dial plate, an inserting block is inserted into a bottom cover, a clamping block moves outwards under the pushing of the inserting block, the clamping block is inserted into a clamping groove through the rebound force of a spring II, so that the bottom cover is fixed with a cover cap, the heat dissipation performance of the device is improved through the arrangement of a heat dissipation fin I and a heat dissipation fin II, the interference of temperature to sealing liquid is reduced, and the arrangement of the spring I plays a role in damping when the upper flange plate is shaken, the interference of tremble to the device is reduced, and the measurement precision is effectively improved.

Drawings

FIG. 1 is a schematic perspective view of the present invention;

FIG. 2 is a schematic front view of the present invention;

FIG. 3 is a schematic front sectional view of the present invention;

FIG. 4 is a front view of the upper flange of the present invention;

FIG. 5 is a side cross-sectional schematic view of the dust cap assembly of the present invention.

In the figure: 1. an upper flange plate; 2. a base; 3. a connecting rod; 4. a subtraction structure; 5. a dial plate; 6. a dust cap assembly; 7. an isolation diaphragm; 8. a mounting structure; 9. a lower flange plate; 41. a first heat dissipation fin; 42. a second heat dissipation fin; 43. a first spring; 44. a shock-absorbing sleeve; 61. a bottom cover; 62. a cover; 63. a window; 64. inserting a block; 65. a card slot; 66. a chute; 67. a second spring; 68. a clamping block; 69. a seal ring; 81. sleeving a ring sleeve I; 82. a second ring sleeve; 83. a groove; 84. a bevel; 85. a connecting plate; 86. a bolt; 87. and (4) a nut.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments; all other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Example 1: referring to fig. 1-5, a small medical diaphragm pressure gauge includes an upper flange 1, a base 2 is fixedly installed on the top of the upper flange 1, a connecting rod 3 is fixedly installed on the upper end surface of the base 2, and a differential reduction structure 4 is arranged on the outer side of the connecting rod 3;

the top of the connecting rod 3 is fixedly provided with a dial 5, and the outer side of the dial 5 is provided with a dust cover assembly 6;

an isolation diaphragm 7 is fixedly arranged in the upper flange plate 1, a lower flange plate 9 is arranged at the bottom of the upper flange plate 1, and a mounting structure 8 is arranged on the outer sides of the upper flange plate 1 and the lower flange plate 9;

referring to fig. 1-5, the small medical diaphragm pressure gauge further includes a differential structure 4, the differential structure 4 includes a first heat dissipation fin 41, a second heat dissipation fin 42, a first spring 43 and a damping sleeve 44, the first heat dissipation fin 41 is fixedly installed on the outer side of the upper flange 1, the second heat dissipation fin 42 is fixedly installed on the outer side of the base 2, and the first heat dissipation fin 41 and the second heat dissipation fin 42 are disc-shaped structures;

one end of a first spring 43 is fixedly connected to the outer side of the base 2, a damping sleeve 44 is fixedly connected to the other end of the first spring 43, and the damping sleeve 44 is located on the outer side of the connecting rod 3 and is in sliding connection with the connecting rod 3;

specifically, as shown in fig. 1, fig. 2, fig. 3 and fig. 4, because the expansion coefficient of the sealing liquid is easily influenced by the temperature, thereby influencing the measurement accuracy, through the arrangement of the first radiating fins 41 and the second radiating fins 42, the heat dissipation performance of the device is improved, the interference of the temperature to the sealing liquid is reduced, when the upper flange plate 1 is subjected to vibration, the damping effect is achieved through the arrangement of the first spring 43, the interference of the vibration to the device is reduced, and the measurement accuracy is effectively improved.

Example 2: the dust cover assembly 6 comprises a bottom cover 61, a cover cap 62, a window 63, an insert block 64, a clamping groove 65, a sliding groove 66, a second spring 67, a clamping block 68 and a sealing ring 69, wherein the bottom cover 61 is rotatably connected with the cover cap 62 through a hinge, the window 63 is fixedly installed on the outer side of the cover cap 62, the window 63 is made of a transparent acrylic material, and the sealing rings 69 are fixedly installed on the outer sides of the bottom cover 61 and the cover cap 62;

an inserting block 64 is fixedly installed on the outer side of the cover cap 62, a clamping groove 65 is formed in the bottom of the inserting block 64, the inserting block 64 is connected with the bottom cover 61 in an inserting mode, a sliding groove 66 is reserved in the bottom cover 61, the inner side of the sliding groove 66 is connected with a clamping block 68 through a second spring 67, and the clamping block 68 is connected with the clamping groove 65 in a clamping mode;

specifically, as shown in fig. 1 and 5, the bottom cover 61 and the cover cap 62 are covered on the outer side of the dial 5 to protect the dial 5, the insert 64 is inserted into the bottom cover 61, the fixture block 68 moves outwards under the pushing of the insert 64, the fixture block 68 is inserted into the clamping groove 65 through the rebound force of the second spring 67, so that the bottom cover 61 and the cover cap 62 are fixed, the sealing effect is achieved through the arrangement of the sealing ring 69, the fixture block 68 is pulled to be away from the clamping groove 65, and the disassembly is convenient.

Example 3: the mounting structure 8 comprises a first ring sleeve 81, a second ring sleeve 82, a groove 83, an inclined surface 84, a connecting plate 85, a bolt 86 and a nut 87, wherein the first ring sleeve 81 is rotatably connected with the second ring sleeve 82 through a hinge, the inner sides of the first ring sleeve 81 and the second ring sleeve 82 are both provided with the groove 83, and the outer side of the groove 83 is provided with the inclined surface 84;

the outer sides of the first ring sleeve 81 and the second ring sleeve 82 are fixedly provided with connecting plates 85, the inner sides of the connecting plates 85 are provided with bolts 86, the bolts 86 are in sliding connection with the connecting plates 85, the outer sides of the bolts 86 are provided with nuts 87, and the nuts 87 are in threaded connection with the bolts 86;

specifically, as shown in fig. 1, 2 and 3, during installation, the first ring sleeve 81 and the second ring sleeve 82 are placed on the outer sides of the upper flange plate 1 and the lower flange plate 9, the bolts 86 penetrate through the connecting plate 85 and the nuts 87 are screwed, the upper flange plate 1 and the lower flange plate 9 are pressed and attached into the grooves 83 through the arrangement of the inclined surfaces 84, installation is completed through the nuts 87, the number of the screwed nuts is reduced compared with that of a common flange plate, and the device is convenient to disassemble and assemble.

The working principle is as follows: firstly, the mounting device is used for attaching the upper flange plate 1 and the lower flange plate 9, then the first ring sleeve 81 and the second ring sleeve 82 are placed on the outer sides of the upper flange plate 1 and the lower flange plate 9, the bolts 86 penetrate through the connecting plate 85 and the nuts 87 are screwed, the upper flange plate 1 and the lower flange plate 9 are pressed and attached into the grooves 83 through the arrangement of the inclined plane 84, the mounting is completed through the screwing of the nuts 87, the number of the screwed nuts is reduced compared with that of a common flange plate, the device is convenient to mount and dismount, the bottom cover 61 and the cover cap 62 are covered on the outer side of the dial 5 to play a role of protecting the dial 5, the insert block 64 is inserted into the bottom cover 61, the fixture block 68 is pushed by the insert block 64 to move outwards, the fixture block 68 is inserted into the clamping groove 65 through the rebound force of the second spring 67, so that the bottom cover 61 and the cover cap 62 are fixed, the sealing effect is played through the arrangement of the sealing ring 69, the fixture block 68 is pulled to leave the clamping groove 65, convenient to detach, through the setting of a cooling fin 41 and a cooling fin 42, improve the thermal diffusivity of device, reduce the interference of temperature to sealing liquid, when going up ring flange 1 and receiving the tremble, play absorbing effect through the setting of a spring 43, reduce the tremble and to the interference of device, effectively improve measurement accuracy.

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 utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a small-size medical grade diaphragm pressure gauge, includes ring flange (1), its characterized in that: a base (2) is fixedly installed at the top of the upper flange plate (1), a connecting rod (3) is fixedly installed on the upper end face of the base (2), and a difference reducing structure (4) is arranged on the outer side of the connecting rod (3);

a dial plate (5) is fixedly mounted at the top of the connecting rod (3), and a dust cover assembly (6) is arranged on the outer side of the dial plate (5);

the inner part of the upper flange plate (1) is fixedly provided with an isolation diaphragm (7), the bottom of the upper flange plate (1) is provided with a lower flange plate (9), and the outer sides of the upper flange plate (1) and the lower flange plate (9) are provided with mounting structures (8).

2. A small medical-grade diaphragm pressure gauge according to claim 1, wherein: subtract poor structure (4) including radiating fin (41), radiating fin two (42), spring (43) and shock attenuation cover (44), the outside fixed mounting who goes up ring flange (1) has radiating fin one (41), the outside fixed mounting of base (2) has radiating fin two (42), radiating fin one (41), radiating fin two (42) are disc structure.

3. A small medical-grade diaphragm pressure gauge according to claim 2, wherein: the outer side of the base (2) is fixedly connected with one end of a first spring (43), the other end of the first spring (43) is fixedly connected with a damping sleeve (44), and the damping sleeve (44) is located on the outer side of the connecting rod (3) and is in sliding connection with the connecting rod (3).

4. A small medical-grade diaphragm pressure gauge according to claim 1, wherein: dust cover subassembly (6) are including end cover (61), shroud (62), window (63), inserted block (64), draw-in groove (65), spout (66), two (67) of spring, fixture block (68) and sealing washer (69), end cover (61) are connected for rotating through hinge and shroud (62), the outside fixed mounting of shroud (62) has window (63), window (63) adopt transparent ya keli material, the equal fixed mounting in the outside of end cover (61) and shroud (62) has sealing washer (69).

5. A small medical-grade diaphragm pressure gauge according to claim 4, wherein: the outside fixed mounting of shroud (62) has inserted block (64), draw-in groove (65) have been seted up to the bottom of inserted block (64), inserted block (64) close with end cover (61) for inserting and are connected, the inside reservation of end cover (61) has spout (66), the inboard of spout (66) is through two (67) of spring and fixture block (68) interconnect, fixture block (68) are connected for the block with draw-in groove (65).

6. A small medical-grade diaphragm pressure gauge according to claim 1, wherein: mounting structure (8) are including ring cover one (81), ring cover two (82), recess (83), inclined plane (84), connecting plate (85), bolt (86) and nut (87), ring cover one (81) are connected for rotating through hinge and ring cover two (82), the inboard of ring cover one (81), ring cover two (82) all is seted up recess (83), the outside of recess (83) is provided with inclined plane (84).

7. A small medical-grade diaphragm pressure gauge according to claim 6, wherein: the outer sides of the first ring sleeve (81) and the second ring sleeve (82) are fixedly provided with connecting plates (85), the inner sides of the connecting plates (85) are provided with bolts (86), the bolts (86) are in sliding connection with the connecting plates (85), the outer sides of the bolts (86) are provided with nuts (87), and the nuts (87) are in threaded connection with the bolts (86).