CN209707005U - With the magnetic reed type contact arrangement on pressure gauge - Google Patents
With the magnetic reed type contact arrangement on pressure gauge Download PDFInfo
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- CN209707005U CN209707005U CN201920524752.6U CN201920524752U CN209707005U CN 209707005 U CN209707005 U CN 209707005U CN 201920524752 U CN201920524752 U CN 201920524752U CN 209707005 U CN209707005 U CN 209707005U
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- needle
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Abstract
The utility model discloses a kind of magnetic reed type contact arrangements on pressure gauge, it is related to inductive switch formula pressure gauge field, aim to solve the problem that the easily disturbed problem of the induced magnetic field of existing pressure gauge tongue tube, technical points are, package is provided with isolation rubber sleeve on induction magnetic patch one and induction magnetic patch two, isolation rubber ring set is arranged on the installation brandreth one and installation brandreth two, the tongue tube one and tongue tube two are located in isolation rubber ring set, U-shaped isolation copper sheet is inserted in the isolation rubber ring set, the one side wall of U-shaped isolation copper sheet is plugged in isolation rubber ring set and abuts with installation brandreth one and installation brandreth two, U-shaped is isolated another side wall fitting isolation rubber ring set direction induction magnetic patch one of copper sheet and incudes the lateral wall setting of magnetic patch two, the utility model can produce to avoid installation brandreth one and installation brandreth two Life magnetizes and upsets the magnetic field acted on to tongue tube one and tongue tube two, causes stress and becomes detected value misalignment.
Description
Technical field
The utility model relates to inductive switch formula pressure gauge fields, more specifically, it relates to a kind of on pressure gauge
Magnetic reed type contact arrangement.
Background technique
Electro connecting pressure gauge is to be widely used in the industrial departments such as petroleum, chemical industry, metallurgy, power station, machinery or electromechanical equipment
The instrument of mating middle various fluid medium pressures of the measurement without explosion danger, usually by measuring system, instruction system, contact arrangement
And shell composition.
Wherein, as shown in Figure 1, its contact arrangement include connecting support 1, be arranged in the first of 1 upper surface of connecting support every
From mounting plate 2, the second isolation mounting plate 3 that 2 top of the first isolation mounting plate is arranged in, setting on the second isolation mounting plate 3
The third isolation mounting plate 4 of side, is rotatably arranged on the 4th at the 4th isolation mounting plate 5 that 4 top of third isolation mounting plate is arranged in
The upper limit setting needle 6 and the lower limit set needle 7 of isolation 5 lower surface of mounting plate are rotatably arranged on third isolation mounting plate 4 and the respectively
First active conductive needle 8 of two isolation 3 lower surfaces of mounting plate and the second active conductive needle 9, setting are in the case where mounting plate 4 is isolated in third
Surface is used to that the first active conductive needle 8 to be driven to set balance spring 1 and be arranged second that 6 direction of needle is freely rotated towards the upper limit
Isolation 3 lower surface of mounting plate is used for the balance spring two for driving the second active conductive needle 9 to be freely rotated to 7 direction of lower limit set needle
11, the installation brandreth 1 and installation brandreth 2 13, difference of upper limit setting needle 6 and 7 opposite end of lower limit set needle are separately positioned on
Installation brandreth 1 is set and the tongue tube 1 and tongue tube 2 15 in brandreth 2 13 are installed and are separately positioned on first
Active conductive needle 8 and the second active conductive needle 9 the induction magnetic patch 1 with 2 15 opposite end of tongue tube 1 and tongue tube respectively
With induction magnetic patch 2 17.
But pressure gauge in use, due to installation brandreth one and installation brandreth two induction magnetic patch one and sense
Under the action of answering magnetic patch two, the phenomenon that magnetizing can be generated, and then will affect the magnetic field acted on to tongue tube one and tongue tube two,
It causes stress and becomes detected value misalignment.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of magnetic reds on pressure gauge
Formula contact arrangement can magnetize to avoid installation brandreth one and the installation generation of brandreth two and upset and act on to tongue tube one and dry spring
The magnetic field of pipe two causes stress and becomes detected value misalignment.
To achieve the above object, the utility model provides following technical solution:
A kind of magnetic reed type contact arrangement on pressure gauge, including connecting support, is arranged in connecting support upper surface
Mounting plate is isolated second in first isolation mounting plate, the second isolation mounting plate being arranged in above the first isolation mounting plate, setting
The third isolation mounting plate of top, is rotatably arranged on the 4th at the 4th isolation mounting plate being arranged in above third isolation mounting plate
Isolation mounting plate lower surface the upper limit setting needle and lower limit set needle, be rotatably arranged on respectively third isolation mounting plate and second every
The first active conductive needle and the second active conductive needle, setting from mounting plate lower surface are used in third isolation mounting plate lower surface
The first active conductive needle is driven to set balance spring one and be arranged under the second isolation mounting plate that needle direction is freely rotated towards the upper limit
Surface be used for for drive the second active conductive needle to be freely rotated to lower limit set needle direction balance spring two, be separately positioned on the upper limit
The installation brandreth one and installation brandreth two of setting needle and lower limit set needle opposite end are separately positioned on installation brandreth one and installation iron
Tongue tube one and tongue tube two in frame two and be separately positioned on the first active conductive needle and the second active conductive needle respectively with
The induction magnetic patch one and induction magnetic patch two of two opposite end of tongue tube one and tongue tube；
Package is provided with isolation rubber sleeve, the installation brandreth one and peace on the induction magnetic patch one and induction magnetic patch two
Isolation rubber ring set is arranged on dress brandreth two, the tongue tube one and tongue tube two are located in isolation rubber ring set, described
U-shaped isolation copper sheet is inserted in isolation rubber ring set, the one side wall of the U-shaped isolation copper sheet is plugged in isolation rubber ring set simultaneously
It is abutted with installation brandreth one and installation brandreth two, rubber ring set is isolated towards sense in another side wall fitting of the U-shaped isolation copper sheet
It answers magnetic patch one and incudes the lateral wall setting of magnetic patch two, package is provided with insulation rubber on the induction magnetic patch one and induction magnetic patch two
Set.
By taking above-mentioned technical proposal, in pressure use process, the pointer of pressure gauge is located at the first active conductive needle
And second active conductive needle towards being respectively freely rotated between the side in direction, and then under the action of balance spring one and balance spring two,
First active conductive needle and the second active conductive needle have the tendency that moving along direction is respectively freely rotated always, and then the first activity
Conductive pin and the second active conductive needle use are bonded gauge hand movement, and then set needle when gauge hand reaches the upper limit
Or when at lower limit set needle, tongue tube one senses that the magnetic field of induction magnetic patch one or tongue tube two sense induction magnetic patch
Two magnetic field, and then tongue tube one or tongue tube two are powered, and then the equipment outside pressure gauge is alarmed or pressed by signal
The work such as power adjusting；
It, can be to avoid installation brandreth one and installation by setting isolation rubber ring set and isolation gum cover in the utility model
Brandreth two can generate the phenomenon that magnetizing under the action of incuding magnetic patch one and induction magnetic patch two, simultaneously as copper sheet is isolated in U-shaped
Without magnetism, the phenomenon that magnetizing will not be generated, copper sheet collective effect is isolated with U-shaped for isolation rubber ring set, can be to avoid installation
Brandreth one and the installation generation of brandreth two magnetize and upset the magnetic field acted on to tongue tube one and tongue tube two, cause stress change inspection
Measured value misalignment.
The utility model is further arranged to, and the end that plugs that the U-shaped isolation copper sheet plugs side wall is provided with limit convex
Block, it is curved wall that the spacing block set, which plugs direction side towards U-shaped isolation copper sheet, and the spacing block set is isolated away from U-shaped
The side that copper sheet plugs direction is that copper sheet is isolated with U-shaped to plug the vertical straight side walls of side wall, described that the interior of rubber ring set is isolated
Limit slot identical with spacing block set grafting and shape is provided in side wall.
By taking above-mentioned technical proposal, spacing block set is stuck in limit slot, U-shaped can be isolated copper sheet with rubber is isolated
It is formed and is limited between rubber ring set, U-shaped isolation copper sheet is avoided to fall off in turn with opposite slide of rubber ring set generation is isolated, meanwhile, arc
The setting of shape side wall advantageously reduce insertion U-shaped isolation copper sheet when, spacing block set and the frictional force being isolated between rubber ring set,
Keep the insertion of U-shaped isolation copper sheet more smooth, the setting of straight side walls is then on the direction away from U-shaped isolation copper sheet direction of insertion
When spacing block set and limit slot straight side walls be clamped, and then make spacing block set and limit slot cooperate, along back
More stable limit is realized with rubber ring set is isolated to U-shaped isolation copper sheet on direction from U-shaped isolation copper sheet direction of insertion, is kept away
Exempt from U-shaped isolation copper sheet to fall off with rubber ring set is isolated.
The utility model is further arranged to, and the installation brandreth one and installation brandreth two are U-shaped, the installation brandreth
It one and the open end of brandreth two is installed sets needle and lower limit set needle with the upper limit respectively and is fixedly connected, the installation brandreth one and pacify
Be provided with grafting ring seat on the dress side wall opposite to the open end of brandreth two, the two grafting ring seats respectively with tongue tube one and dry spring
The glass peripheral wall of pipe two is socketed, the conductive iron wire of the tongue tube one and tongue tube two and the installation brandreth one in grafting ring seat and
Brandreth two is installed to abut, the position that the upper limit setting needle and lower limit set needle are connect with installation brandreth one and installation brandreth two respectively
Install the positioning pressure ring being equipped with for fixing two conductor wire of tongue tube one and tongue tube.
By taking above-mentioned technical proposal, grafting ring seat forms limit on the glass peripheral wall of tongue tube one and tongue tube two
Position, positioning pressure ring form limit on the conductor wire extending direction of tongue tube one and tongue tube two, and then can be by tongue tube one
It is stably installed on installation brandreth one and installation brandreth two with tongue tube two, meanwhile, it, can be with instead of traditional welding method
It avoids installation brandreth one and the conductive iron wire of installation brandreth two, tongue tube one and tongue tube two from causing thermal deformation, influences pressure change
Use.
The utility model is further arranged to, and is set on the U-shaped isolation copper sheet and the side wall that rubber ring set grafting is isolated
It is equipped with the resigning through slot opposite with tongue tube one and tongue tube two.
By taking above-mentioned technical proposal, resigning through slot and tongue tube one and tongue tube two opposite, avoid U-shaped that copper sheet is isolated
Tongue tube one and tongue tube two are squeezed.
The utility model is further arranged to, and the installation brandreth one and is installed brandreth two and is set with the opposite one end of opening
It is equipped with limit circular arc, the angle of the limit circular arc is greater than 180 °.
By taking above-mentioned technical proposal, after being socketed in isolation rubber ring set on installation brandreth one and installation brandreth two,
Biggish deformation occurs close to installation brandreth one and the side for installing closed end on brandreth two, and then rubber ring set is isolated can be more
Stirrup in installation brandreth one and is installed on brandreth two well, meanwhile, the angle for limiting circular arc is greater than 180, makes that rubber ring set is isolated
Larger deformation at far from installation brandreth one and one end deformation distance of closed end on brandreth two be installed be less than isolation rubber ring set
Larger deformation at largest deformation distance, be isolated at the larger deformation of rubber ring set close to installation brandreth one and installation brandreth two on
One end deformation distance of closed end again smaller than largest deformation distance at the larger deformation of isolation rubber ring set makes that rubber is isolated
It is stuck on limit circular arc, is further increased on isolation rubber ring set and installation brandreth one and installation brandreth at the larger deformation of ring set
Bonding strength.
The utility model is further arranged to, and the positioning pressure ring is opposite with tongue tube one and two conductor wire of tongue tube
Side wall, which protrudes above, is provided with positioning briquetting, and positioning briquetting is provided on the side wall of two conductor wire of the tongue tube one and tongue tube and is inserted
The positioning groove connect.
By taking above-mentioned technical proposal, positioning briquetting is sticked into positioning groove, and then in positioning pressure ring and tongue tube one
Limit is formed between the side wall of two conductor wire of tongue tube, avoids the side wall and positioning pressure ring of two conductor wire of tongue tube one and tongue tube
It is slided along two conductor wire length direction of tongue tube one and tongue tube, influences tongue tube one and tongue tube two and pacify in installation
It fills brandreth one and the stability in brandreth two is installed.
The utility model is further arranged to, and the lower surface of the second isolation mounting plate and third isolation mounting plate is equal
It is provided with connecting plate, positioning stud is vertically installed on the connecting plate, is threaded with fixed pressure ring on the positioning stud,
The balance spring one and balance spring two far from the free end of the first active conductive needle and the second active conductive needle be pressed on fixed pressure ring with
Between connecting plate.
By taking above-mentioned technical proposal, rotate fixed pressure ring, balance spring one and balance spring two far from the first active conductive needle and
The free end of second active conductive needle is pressed between fixed pressure ring and connecting plate, and then living far from first to balance spring one and balance spring two
The free end of moving conductive needle and the second active conductive needle is fixed, can be to avoid balance spring instead of traditional welding connecting mode
One and free end of the balance spring two far from the first active conductive needle and the second active conductive needle and connecting plate thermal deformation occurs, influence to press
The use of power table.
The utility model is further arranged to, and the compression end of the positioning pressure ring is provided with compression sheet rubber.
By taking above-mentioned technical proposal, it can not only increase the frictional force between balance spring one and balance spring two and fixed pressure ring,
It is pressed on balance spring one and balance spring two more steadily between fixed pressure ring and connecting plate, meanwhile, avoid balance spring one and balance spring two straight
It connects and is pressed between fixed pressure ring and connecting plate, it is excessive to the pressure of balance spring one and balance spring two, damage balance spring one and balance spring two.
In conclusion the utility model has the following beneficial effects:
It, can be to avoid installation brandreth one and installation brandreth 1. gum cover is isolated by setting isolation rubber ring set in the utility model
Two under the action of incuding magnetic patch one and induction magnetic patch two, can generate the phenomenon that magnetizing；
2. U-shaped, which is arranged, in the utility model is isolated copper sheet, the property for the phenomenon that magnetizing will not be generated using it, make that rubber is isolated
Copper sheet collective effect is isolated with U-shaped for ring set, can magnetize to avoid installation brandreth one and the installation generation of brandreth two and upset and act on
To the magnetic field of tongue tube one and tongue tube two, causes stress and become detected value misalignment.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the prior art.
Fig. 2 is the structural schematic diagram of the utility model.
Fig. 3 is the explosive view that copper sheet structure is isolated to embody U-shaped in the utility model.
Fig. 4 is the cross-sectional view to embody spacing block set and limit inserting slot construction in the utility model.
Fig. 5 is the schematic diagram to embody two mounting structure of balance spring one and balance spring in the utility model.
Appended drawing reference: 1, connecting support；2, the first isolation mounting plate；3, the second isolation mounting plate；4, third isolation installation
Plate；5, the 4th isolation mounting plate；6, the upper limit sets needle；7, lower limit set needle；8, the first active conductive needle；9, the second active conductive
Needle；10, balance spring one；11, balance spring two；12, brandreth one is installed；13, brandreth two is installed；14, tongue tube one；15, tongue tube two；
16, incude magnetic patch one；17, incude magnetic patch two；18, rubber ring set is isolated；19, copper sheet is isolated in U-shaped；20, spacing block set；21, it limits
Position slot；22, grafting ring seat；23, pressure ring is positioned；24, resigning through slot；25, circular arc is limited；26, positioning briquetting；27, it positions recessed
Slot；28, connecting plate；29, positioning stud；30, fixed pressure ring；31, sheet rubber is compressed；32, gum cover is isolated.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
Embodiment:
The utility model discloses a kind of magnetic reed type contact arrangements on pressure gauge, as shown in Fig. 2, including connection branch
Seat 1, the first isolation mounting plate 2 that 1 upper surface of connecting support is set, be arranged in the second of the first isolation mounting plate 2 top every
From mounting plate 3, the third isolation mounting plate 4 that 3 top of the second isolation mounting plate is arranged in, setting on third isolation mounting plate 4
4th isolation mounting plate 5 of side, the upper limit setting needle 6 and lower limit set needle for being rotatably arranged on the 4th isolation 5 lower surface of mounting plate
7, it is rotatably arranged on the first active conductive needle 8 and second of third isolation mounting plate 4 and the second isolation 3 lower surface of mounting plate respectively
Active conductive needle 9, setting are in third isolation 4 lower surface of mounting plate for driving the first active conductive needle 8 to set needle 6 towards the upper limit
The balance spring 1 and setting that direction is freely rotated are used in the second isolation 3 lower surface of mounting plate for driving the second active conductive needle
9 be freely rotated to 7 direction of lower limit set needle balance spring 2 11, be separately positioned on upper limit setting needle 6 and 7 opposite end of lower limit set needle
Installation brandreth 1 and installation brandreth 2 13, be separately positioned on installation brandreth 1 and install brandreth 2 13 in tongue tube one
14 and tongue tube 2 15 and be separately positioned on the first active conductive needle 8 and the second active conductive needle 9 respectively with tongue tube 1
With the induction magnetic patch 1 and induction magnetic patch 2 17 of 2 15 opposite end of tongue tube；
In pressure use process, the pointer of pressure gauge is located at 9 direction of the first active conductive needle 8 and the second active conductive needle
It is respectively freely rotated between the side in direction, and then under the action of balance spring 1 and balance spring 2 11,8 He of the first active conductive needle
Second active conductive needle 9 has the tendency that moving along direction is respectively freely rotated always, and then the first active conductive needle 8 and second is living
9 use of moving conductive needle is bonded gauge hand movement, and then when gauge hand reaches upper limit setting needle 6 or lower limit set
When at needle 7, tongue tube 1 senses that the magnetic field of induction magnetic patch 1 or tongue tube 2 15 sense induction magnetic patch 2 17
Magnetic field, and then tongue tube 1 or tongue tube 2 15 are powered, and then the equipment outside pressure gauge is alarmed or pressed by signal
The work such as power adjusting.
As shown in Figures 2 and 3, in order to avoid the induced magnetic field of tongue tube 1 and tongue tube 2 15 is interfered, this reality
In novel, package is provided with isolation rubber sleeve on induction magnetic patch 1 and induction magnetic patch 2 17, installs brandreth 1 and peace
Isolation rubber ring set 18 is arranged on dress brandreth 2 13, tongue tube 1 and tongue tube 2 15 are located at isolation rubber ring set 18
It is interior, it is isolated in rubber ring set 18 and is inserted with U-shaped isolation copper sheet 19, the one side wall of U-shaped isolation copper sheet 19 is plugged in isolation rubber ring
It is abutted in set 18 and with installation brandreth 1 and installation brandreth 2 13, another side wall fitting isolation rubber of copper sheet 19 is isolated in U-shaped
Ring set 18 incudes on magnetic patch 1 and induction magnetic patch 2 17 towards the lateral wall setting of induction magnetic patch 1 and induction magnetic patch 2 17
Package is provided with isolation gum cover 32；It can be under the action of its isolation by setting isolation rubber ring set 18 and isolation gum cover 32
It avoids that brandreth 1 is installed and the generation of brandreth 2 13 is installed to magnetize, simultaneously as the no magnetism of U-shaped isolation copper sheet 19, it will not
19 collective effect of copper sheet is isolated with U-shaped for the phenomenon that generation is magnetized, isolation rubber ring set 18, can be to avoid installation brandreth 1 and peace
The dress generation of brandreth 2 13 magnetizes and upsets the magnetic field acted on to tongue tube 1 and tongue tube 2 15, causes stress change detected value
Misalignment.
As shown in Figure 3 and Figure 4, in order to increase U-shaped isolation copper sheet 19 and the bonding strength of rubber ring set 18 be isolated, this is practical
In novel, the end that plugs that U-shaped isolation copper sheet 19 plugs side wall is provided with spacing block set 20, and copper is isolated towards U-shaped in spacing block set 20
Piece 19 plug direction side be curved wall, spacing block set 20 away from U-shaped isolation copper sheet 19 plug direction side be and U-shaped every
The vertical straight side walls of side wall are plugged from copper sheet 19, is isolated in the inner sidewall of rubber ring set 18 and is provided with and 20 grafting of spacing block set
And the identical limit slot 21 of shape；Installation isolation rubber ring set 18 when, the curved wall of spacing block set 20 be isolated
Rubber ring set 18 contacts, and frictional force is small, and isolation rubber ring set 18 can be installed smoothly, when spacing block set 20 and limit slot 21 are inserted
After connecing, the straight side walls of spacing block set 20 and limit slot 21 are abutted against, and copper can be isolated with U-shaped to avoid isolation rubber ring set 18
It is fallen off between piece 19.
As shown in Figure 3 and Figure 4, meanwhile, copper sheet 19 is isolated in order to avoid U-shaped, tongue tube 1 and tongue tube 2 15 is generated
It squeezes, is provided with and tongue tube 1 and tongue tube 2 15 on U-shaped isolation copper sheet 19 and the side wall that 18 grafting of rubber ring set is isolated
Opposite resigning through slot 24.
As shown in figure 3, in order to avoid use traditional welding method, can make install brandreth 1 and install brandreth 2 13,
The conductive iron wire of tongue tube 1 and tongue tube 2 15 causes thermal deformation, in the utility model, installation brandreth 1 and installation iron
Frame 2 13 is U-shaped, and the open end for installing brandreth 1 and installation brandreth 2 13 sets needle 6 and lower limit set needle 7 with the upper limit respectively
It is fixedly connected, is provided with grafting ring seat 22 on installation brandreth 1 and the installation side wall opposite to the open end of brandreth 2 13, two insert
It connects ring seat 22 to be socketed with the glass peripheral wall of tongue tube 1 and tongue tube 2 15 respectively, tongue tube 1 and tongue tube 2 15 are led
Ferroelectric silk in grafting ring seat 22 installation brandreth 1 and installation brandreth 2 13 abuts, upper limit setting needle 6 and lower limit set needle 7
The position connecting respectively with installation brandreth 1 and installation brandreth 2 13 is provided with for fixing tongue tube 1 and tongue tube two
The positioning pressure ring 23 of 15 conductor wires；When installing tongue tube 1 and tongue tube 2 15, by tongue tube 1 and tongue tube two
15 are inserted into grafting ring seat 22, and grafting ring seat 22 is made to form limit on the glass peripheral wall of tongue tube 1 and tongue tube 2 15
Position, meanwhile, positioning pressure ring 23 is fastened on the conductor wire of tongue tube 1 and tongue tube 2 15, positions pressure ring 23 in tongue tube one
14 and tongue tube 2 15 conductor wire extending direction on form limit, and then tongue tube 1 and tongue tube 2 15 can be stablized
Ground is mounted on installation brandreth 1 and installation brandreth 2 13.
As shown in figure 3, simultaneously in order to avoid the side wall of 2 15 conductor wire of tongue tube 1 and tongue tube and positioning pressure ring 23
It slides, position pressure ring 23 and tongue tube 1 and does along 2 15 conductor wire length direction of tongue tube 1 and tongue tube
The opposite side wall of 2 15 conductor wire of reed pipe, which protrudes above, is provided with positioning briquetting 26,2 15 conductor wire of tongue tube 1 and tongue tube
The positioning groove 27 of 26 grafting of positioning briquetting is provided on side wall；Positioning groove 27 and positioning briquetting 26 are clamped, and then form limit
Position, can to avoid 2 15 conductor wire of tongue tube 1 and tongue tube side wall and positioning pressure ring 23 along tongue tube 1 and dry spring
It is slided on 2 15 conductor wire length direction of pipe.
As shown in figure 3, strong in order to increase the connection of installation brandreth 1, installation brandreth 2 13 and isolation rubber ring set 18
It spends, in the utility model, brandreth 1 and installation brandreth 2 13 is installed and the opposite one end that is open is provided with and limits circular arc 25, limit
The angle of circle of position arc 25 is greater than 180 °；After being socketed in isolation rubber ring set 18 on installation brandreth 1 and installation brandreth 2 13,
Biggish deformation occurs close to installation brandreth 1 and the side for installing closed end on brandreth 2 13, and then rubber ring set 18 is isolated
It can preferably in installation brandreth 1 and install on brandreth 2 13 stirrup.
As shown in figure 5, balance spring 1, balance spring 2 11, connecting plate 28 can be made to make in order to avoid using traditional welding method
At thermal deformation, in the utility model, the lower surface of the second isolation mounting plate 3 and third isolation mounting plate 4 is provided with connecting plate
28, positioning stud 29 is vertically installed on connecting plate 28, and fixed pressure ring 30, one 10 He of balance spring are threaded on positioning stud 29
Balance spring 2 11 is pressed on fixed pressure ring 30 and connecting plate far from the free end of the first active conductive needle 8 and the second active conductive needle 9
Between 28, the compression end of fixed pressure ring 30, which is provided with, compresses sheet rubber 31；Fixed pressure ring 30 is rotated, balance spring 1 and balance spring 2 11 are remote
Free end from the first active conductive needle 8 and the second active conductive needle 9 is pressed between fixed pressure ring 30 and connecting plate 28, and then right
Balance spring 1 and balance spring 2 11 are fixed far from the free end of the first active conductive needle 8 and the second active conductive needle 9.
Working principle:
It, can be to avoid peace in pressure gauge use process in isolation rubber ring set 18 and under the buffer action of gum cover 32 is isolated
Dress brandreth 1 and the installation generation of brandreth 2 13 are magnetized, simultaneously as U-shaped isolation copper sheet 19 will not be generated and be filled without magnetism
19 collective effect of copper sheet is isolated with U-shaped for the phenomenon that magnetic, isolation rubber ring set 18, isolation gum cover 32, can be to avoid installation brandreth one
12 magnetize with the installation generation of brandreth 2 13 and upset the magnetic field acted on to tongue tube 1 and tongue tube 2 15, cause stress change
Detected value misalignment.
This specific embodiment is only the explanation to the utility model, is not limitations of the present invention, ability
Field technique personnel can according to need the modification that not creative contribution is made to the present embodiment after reading this specification, but
As long as all by the protection of Patent Law in the scope of the claims of the utility model.
Claims (8)
1. a kind of magnetic reed type contact arrangement on pressure gauge, including connecting support (1), setting table on connecting support (1)
Second isolation mounting plate (3) of first isolation mounting plate (2), setting in face above the first isolation mounting plate (2), setting are the
The 4th isolation of third isolation mounting plate (4), setting above third isolation mounting plate (4) above two isolation mounting plate (3)
Mounting plate (5), upper limit setting needle (6) for being rotatably arranged on the 4th isolation mounting plate (5) lower surface and lower limit set needle (7) divide
It is not rotatably arranged on the first active conductive needle (8) and second of third isolation mounting plate (4) and the second isolation mounting plate lower surface
Active conductive needle (9), setting are in third isolation mounting plate (4) lower surface for driving the first active conductive needle (8) towards the upper limit
The balance spring one (10) and setting that setting needle (6) direction is freely rotated are used in the second isolation mounting plate (3) lower surface for driving
Balance spring two (11) that second active conductive needle (9) is freely rotated to lower limit set needle (7) direction is separately positioned on upper limit setting needle
(6) and the installation brandreth one (12) of lower limit set needle (7) opposite end and installation brandreth two (13), be separately positioned on installation brandreth one
(12) and the tongue tube one (14) and tongue tube two (15) in brandreth two (13) is installed and are separately positioned on the first active conductive
Needle (8) and the second active conductive needle (9) the induction magnetic patch one with tongue tube one (14) and tongue tube two (15) opposite end respectively
(16) and incude magnetic patch two (17)；
It is characterized by: package is provided with isolation rubber sleeve, institute in the induction magnetic patch one (16) and induction magnetic patch two (17)
State installation brandreth one (12) and installation brandreth two (13) on be arranged be isolated rubber ring set (18), the tongue tube one (14) and
Tongue tube two (15) is located in isolation rubber ring set (18), and U-shaped isolation copper sheet is inserted in the isolation rubber ring set (18)
(19), the one side wall of U-shaped isolation copper sheet (19) be plugged in isolation rubber ring set (18) and with installation brandreth one (12) and
Brandreth two (13) are installed to abut, rubber ring set (18) are isolated towards induction in another side wall fitting of U-shaped isolation copper sheet (19)
Magnetic patch one (16) and the lateral wall for incuding magnetic patch two (17) are arranged, and wrap in the induction magnetic patch one (16) and induction magnetic patch two (17)
It wraps up in and is provided with isolation gum cover (32).
2. the magnetic reed type contact arrangement according to claim 1 on pressure gauge, it is characterised in that: the U-shaped isolation
The end that plugs that copper sheet (19) plugs side wall is provided with spacing block set (20), and copper sheet is isolated towards U-shaped in the spacing block set (20)
(19) plugging direction side is curved wall, and the spacing block set (20) plugs the side in direction away from U-shaped isolation copper sheet (19)
The vertical straight side walls of side wall, setting in the inner sidewall of isolation rubber ring set (18) are plugged for copper sheet (19) is isolated with U-shaped
There is limit slot (21) identical with spacing block set (20) grafting and shape.
3. the magnetic reed type contact arrangement according to claim 1 on pressure gauge, it is characterised in that: the installation brandreth
One (12) and installation brandreth two (13) be U-shaped, it is described installation brandreth one (12) and installation brandreth two (13) open end respectively with
The upper limit setting needle (6) be fixedly connected with lower limit set needle (7), the installation brandreth one (12) and install brandreth two (13) and be open
Hold and be provided on opposite side wall grafting ring seat (22), the two grafting ring seats (22) respectively with tongue tube one (14) and tongue tube
The glass peripheral wall of two (15) is socketed, in the conductive iron wire and grafting ring seat (22) of the tongue tube one (14) and tongue tube two (15)
Installation brandreth one (12) and installation brandreth two (13) abut, upper limit setting needle (6) and lower limit set needle (7) respectively with peace
Dress brandreth one (12) and the position for installing brandreth two (13) connection are provided with for fixing tongue tube one (14) and tongue tube two
(15) the positioning pressure ring (23) of conductor wire.
4. the magnetic reed type contact arrangement according to claim 3 on pressure gauge, it is characterised in that: the U-shaped isolation
It is provided on copper sheet (19) and the side wall that rubber ring set (18) grafting is isolated opposite with tongue tube one (14) and tongue tube two (15)
Resigning through slot (24).
5. the magnetic reed type contact arrangement according to claim 4 on pressure gauge, it is characterised in that: the installation brandreth
One (12) and installation brandreth two (13) and the opposite one end that is open are provided with limit circular arc (25), the angle of limit circular arc (25)
Degree is greater than 180 °.
6. the magnetic reed type contact arrangement according to claim 3 on pressure gauge, it is characterised in that: the positioning pressure ring
(23) side wall opposite with tongue tube one (14) and tongue tube two (15) conductor wire, which protrudes above, is provided with positioning briquetting (26), described
The positioning groove (27) of positioning briquetting (26) grafting is provided on the side wall of tongue tube one (14) and tongue tube two (15) conductor wire.
7. the magnetic reed type contact arrangement according to claim 1 on pressure gauge, it is characterised in that: second isolation
The lower surface of mounting plate (3) and third isolation mounting plate (4) is provided with connecting plate (28), is vertically set on the connecting plate (28)
It is equipped with positioning stud (29), is threaded with fixed pressure ring (30) on the positioning stud (29), the balance spring one (10) and trip
Two (11) of silk far from the free end of the first active conductive needle (8) and the second active conductive needle (9) be pressed on fixed pressure ring (30) and
Between connecting plate (28).
8. the magnetic reed type contact arrangement according to claim 7 on pressure gauge, it is characterised in that: the fixed pressure ring
(30) compression end, which is provided with, compresses sheet rubber (31).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920524752.6U CN209707005U (en) | 2019-04-17 | 2019-04-17 | With the magnetic reed type contact arrangement on pressure gauge |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920524752.6U CN209707005U (en) | 2019-04-17 | 2019-04-17 | With the magnetic reed type contact arrangement on pressure gauge |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836747A (en) * | 2019-12-05 | 2020-02-25 | 济南金宝马电子仪表有限公司 | High-voltage dry spring electric contact device |
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2019
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110836747A (en) * | 2019-12-05 | 2020-02-25 | 济南金宝马电子仪表有限公司 | High-voltage dry spring electric contact device |
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