CN209491501U - Manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment - Google Patents
Manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment Download PDFInfo
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- CN209491501U CN209491501U CN201920031819.2U CN201920031819U CN209491501U CN 209491501 U CN209491501 U CN 209491501U CN 201920031819 U CN201920031819 U CN 201920031819U CN 209491501 U CN209491501 U CN 209491501U
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- tower spring
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- spacer pin
- manipulation
- threaded bolt
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Abstract
The utility model disclose a kind of manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment, it is desirable to provide a kind of assembly accurate positioning, control process accurately and reliably technological equipment.The utility model is achieved by following technical proposals: the blind hole of assembly switch base is formed on positioning seat, the limit pin hole coaxial to tower spring hole with switch base end is formed on the blind via bottom end face, Step Shaft on spacer pin is inserted into the limit pin hole, step circles axis of a cylinder on spacer pin, using positioning seat transverse plane as datum level, formation transverse plane height is L, with the coaxial tower spring bolt across tower spring to dome-shaped state, and the Step Shaft on spacer pin by wire connecting power be connected light emitting diode and screwdriver shaped at tower spring threaded bolt contacts point spacing ≯ 0.4 ± 0.1mm in manipulation of switches component sense of touch circuit.Bolt location error caused by feel difference of the assembly crewman as threaded bolt contacts spacer pin when can be reduced using the utility model.
Description
Technical field
The utility model relates to the controlling party of switch block bolt assembly accurate location is realized in manufacturing technology equipment
Artificial feel is more specifically judged that switch block bolt rigging position is converted to circuit the utility model relates to a kind of by method
On-off judgement, control light emitting diode flicker judge and manipulation of switches component tower spring threaded bolt contacts point assembly building away from technique
Equipment.
Background technique
In automation field, it is often necessary to control pressure (or pressure difference), temperature (or temperature difference) can also pass through " temperature
Degree-pressure " sensitive media (such as gas, liquid) is converted to pressure (pressure difference) and is controlled, in instrument and meter and sensor row
Pressure (or pressure difference) controller/sensor, temperature (or temperature difference) controller/sensor are commonly designed in industry to realize and automatically control
Effect.This quasi-controller/sensor is mainly by temperature/pressure sensing element, the three parts such as transmission mechanism and switch block
Composition.See Fig. 2 a, is a kind of typical switch block of temperature controller, by bolt 6, tower spring 7, switch base 8, contact point 9, spring
Piece 10, the equal parts composition of kick spring 11.Inflatable body temperature sensing medium in temperature-sensing element (device), such as bellows, by what is experienced
Temperature change is converted into pressure and change in displacement, by transmission mechanism (can realize displacement equations when necessary) transmitting displacement (see figure
P in 2a) control switch on-off.By taking a kind of control of the temperature of refrigeration system as an example, control process are as follows: close when temperature rising
The gas temperature sensing medium pressure rise in bellows, bellows expansion are closed, displacement is transmitted by transmission mechanism, and displacement P is downward
Push the spring piece 10, when reaching the temperature spot needed, kick spring 11 is acted, and connects contact point 9, and refrigeration compressor is powered
Work, starts to cool down；After temperature decline, the gas temperature sensing medium pressure in tight bellows declines, and bellows is shunk, and passes through
Transmission mechanism transmitting displacement, P is upward, and spring leaf 10 resets, and when reaching the temperature spot needed, kick spring 11 acts, makes to switch
It disconnects, refrigeration compressor power-off stops working；Refrigeration system absorbs amount of heat, and temperature rises, the gas in tight bellows
Temperature sensing medium pressure increase, bellows expansion, when temperature rises to certain temperature spot, P allows switch block to connect, makes again downwards
Cold compressor is powered on refrigeration；It loops back and forth like this, realizes the purpose of A.T.C (temperature difference).It can be with from the course of work
Find out, contact point spacing (0.4 ± 0.1) mm in switch block (see Fig. 2 a) determines the size of the temperature difference, needs to accurately control.
In machinery industry, to guarantee assembly precision, select reasonable assembly method, with lower element precision, reach compared with
High assembly precision；Reach higher assembly precision with the least assembly amount of labour and assembly efficiency is the core of assembling process.
It is threaded with two major features: first is that can axially obtain about in the case where no friction radially applying lesser torque
10 times of axial force, this characteristic be used to fasten；Another feature is that the axial direction of very little can be obtained under biggish rotational angle
Displacement, by taking the single line coarse thread of M3 as an example, rotates 360 ° of variation 0.5mm, the fine thread axial distance of standard is smaller
(0.35mm), this characteristic are used to adjust for and control the position of part.In machinery industry, especially in instrument and meter and sensing
The scope of activities of certain parts is adjusted and limited in device industry, frequently with bolt to obtain the function of needing.Bolt assembles position
The accuracy set is related to the precision of instrument and meter and sensor.A kind of bolt rigging position as shown in Figure 2 a, which accurately controls, to be needed
In a kind of switch block for the instrument asked, the scope of activities of contact point 9 needs to control in (0.4 ± 0.1) mm.For this reason, it may be necessary to
Connect in switch base and controls fitted position L in bolt assembly (see Fig. 2 b).That is, in process of production, by switch base
6 fitted position L of bolt even is controlled in bolt assembly (see Fig. 2 b), indirectly controls the contact point spacing in switch block (see Fig. 2 a)
(0.4 ± 0.1) mm realizes the temperature difference control of temperature controller.Existing assembly technology are as follows: bolt 6 is assembled to out by preceding process
In the threaded hole for closing seat, tower spring 7 is used to eliminate the fit clearance of screw thread, and it is to estimate by visual observation that bolt rigging position is needed after assembly
Meter, then determines that switch base connects bolt group with finely tuning in Ce Bianliang with vernier caliper or depth gauge measurement come measurement control
Bolt reaches the qualified degree of position in part.It is further the number of threads exposed with number or compares peer with the ruler with groove
Method determines that switch base connects the qualified degree that bolt assembly bolt reaches position.The shortcomings of the above method is production efficiencys very
Low, determining dimensional uniformity is poor.
Utility model content
The purpose of this utility model is in view of the above-mentioned problems of the prior art, to provide a kind of assembling process relatively simple
It is single, accurate positioning is assembled, control process is more acurrate reliable, the method for accurately controlling bolt rigging position.
Technical solution adopted by the utility model to solve its technical problems is a kind of manipulation of switches component tower spring bolt connects
Contact assembly building away from technological equipment, including one assemble switch block positioning seat 1, it is characterised in that: be formed on positioning seat 1
The blind hole of switch base 8 is assembled, is formed with the limit pin hole coaxial to tower spring hole with 8 end of switch base on the blind via bottom end face, is limited
Step Shaft on the pin 2 of position is inserted into the limit pin hole, the step circles axis of a cylinder on spacer pin 2, using 1 transverse plane of positioning seat as base
Quasi- face, forming transverse plane height is L, with the coaxial tower spring bolt across tower spring 7 to dome-shaped state, and the step on spacer pin 2
The light emitting diode 4 and screwdriver 5 that axis is connected by wire connecting power 3 form tower spring threaded bolt contacts point in manipulation of switches component
The sense of touch circuit of spacing ≯ 0.4 ± 0.1mm.
The utility model has the advantages that compared with the prior art.
The utility model is used in 2 upper and lower ends of spacer pin coaxially assembled with bolt to top, utilizes power supply 3, luminous two
Pole pipe 4 is connected the sense of touch circuit formed with screwdriver 5 by conducting wire, by the bolt 6 on the quick precession switch block of screwdriver 5,
When bolt 6 contacts spacer pin 2, access is formed by the sense of touch circuit that conducting wire connects, light emitting diode 4 is bright, stops precession bolt
6；Then bolt 6 is slowly exited, light emitting diode 4 is allowed to extinguish；Slow precession bolt 6 again, keeps light emitting diode 4 bright, stops rotation
Into bolt 6, the position of bolt 6 is the rigging position height L needed at this time, and the feel of assembly crewman when assembly is controlled conversion
For connecting and disconnecting of the circuit control, fixture is controlled instead of the sense of touch that pressure sensor, position sensor are constituted, is avoided using pressure sensing
The complex controls mode such as device, position sensor.Can reduce assembly crewman due to assembling speed difference, to threaded bolt contacts spacer pin 2
When feel difference caused by 6 location error of bolt.An order of magnitude can be improved in the consistency of bolt rigging position height L, by
± 0.1mm is increased to ± 0.01mm.It is able to satisfy the requirement of switch block (0.4 ± 0.1) mm completely.And assembly speed can be accelerated
Degree accurately controls to high quality and high efficiency the rigging position height L of bolt, be final products performance adjustment qualification rate with it is consistent
Property has laid better basis.
The utility model can be adapted for producing by batch or the assembly occasion of jobbing work.
Detailed description of the invention
The utility model is described in further detail with reference to the accompanying drawings and detailed description.
Fig. 1 is the embodiment schematic illustration that the utility model accurately adjusts bolt rigging position in meter switch component.
Fig. 2 a is that a kind of bolt rigging position of meter switch component accurately controls demand schematic diagram.
Fig. 2 b is that bolt 6 is assembled in switch base threaded hole by Fig. 2 a in preceding process, between being threadedly engaged by the elimination of tower spring
Gap guarantees the schematic diagram of bolt rigging position size L.
In figure: 1 positioning seat, 2 spacer pins, 3 power supplys, 4 light emitting diodes, 5 screwdrivers, 6 bolts, 7 tower springs, 8 switch bases, 9
Contact point, 10 spring leafs, 11 kick springs.
Specific embodiment
Refering to fig. 1.Under in the embodiment described below, for including that positioning seat 1 and spacer pin 2 assemble on switch block
Bolt location needs accurately control, guarantee manipulation of switches component tower spring threaded bolt contacts point assembly (0.4 ± 0.1) mm precision,
There is provided manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment, including one assemble switch block positioning
Seat 1.It is formed with the blind hole of assembly switch base 8 on positioning seat 1, is formed on the blind via bottom end face with 8 end of switch base to tower spring hole
Coaxial limit pin hole, the Step Shaft on spacer pin 2 are inserted into the limit pin hole, the step circles axis of a cylinder on spacer pin 2, with fixed
For position 1 transverse plane of seat as datum level, forming transverse plane height is L, with the coaxial tower spring bolt across tower spring 7 to dome-shaped state, and
And the Step Shaft on spacer pin 2 forms manipulation of switches group by the connected light emitting diode 4 of wire connecting power 3 and screwdriver 5
The sense of touch circuit of tower spring threaded bolt contacts point spacing ≯ 0.4 ± 0.1mm in part.
Following embodiment is a kind of meter switch component for including but is not limited to.It is certain parts or in related spare part system
After the completion of work, the rigging position by controlling bolt is needed, by the distance controlling between contact point within the scope of (0.4 ± 0.05) mm
Meter switch assembly embodiment.
The technical scheme adopted by the utility model to solve the technical problem is as follows: preparing a set of bolt shown in FIG. 1 to adjust
Section limits the technological equipment of switch block scope of activities, when assembly, is pushing up the spacer pin about 2 two coaxially assembled with 6 pairs of bolt
Stomidium, the light emitting diode 4 and screwdriver 5 being connected using wire connecting power 3 form sense of touch circuit；It is quick by screwdriver 5
Bolt 6 on precession switch block, when threaded bolt contacts spacer pin 2, sense of touch circuit forms access, is connected to light emitting diode 4, makes
Light emitting diode 4 is lighted, and precession bolt 6 is stopped；Then bolt 6 is slowly exited, sense of touch circuit is allowed to form open circuit, light emitting diode
4 extinguish；Delay precession bolt 6 again and contact spacer pin 2, lights light emitting diode 4, stop precession bolt, at this time the position of bolt 6
The rigging position as needed, determining bolt rigging position height L consistency can reach ± 0.01mm by this method.
When not including sense of touch circuit, technological equipment includes the positioning seat 1 and insertion positioning seat 1 of an assembly switch block
The spacer pin 2 of limit pin hole, switch block are fixed in the sagging hole of positioning seat 1, and bolt 6 is same by the tower spring hole of switch block
Axis is withstood on spacer pin 2, and the height that 1 transverse plane of positioning seat is reached with the cylinder shaft end of spacer pin 2 is L, by 1 transverse plane of positioning seat
As datum level, at up-side down triangle ▼ instruction.When assembly, switch base 8 is placed in the sagging hole of positioning seat 1, bolt 6 is passed through and opened
The tower spring 7 of component is closed, is screwed in the threaded hole of switch base 8, when precession bolt 6 contacts spacer pin 2, the torque of precession bolt 6
It can become larger, after assembly crewman feels that assembly torque becomes larger, stop precession bolt 6, the position height L of bolt 6, that is, true
It decides.The accuracy and consistency of 6 rigging position of bolt has greatly improved in the program, but since there are senses of touch by assembly crewman
Difference, the people of sense of touch acumen, 6 screw-in amount of bolt is smaller, sense of touch slow coach, and 6 screw-in amount of bolt is larger；Since bolt 6 is smaller
Radial torque can the biggish axial force of product, bolt 6 on top spacer pin 2 when, switch base 8 may have been made departing from positioning seat
The rigging position size L of 1 datum level ▼, bolt 6 have changed.Therefore when oncontacting inductive circuit, the rigging position one of bolt 6
Cause property it is ideal not enough, by actually detected, cannot 100% guarantee (0.4 ± 0.1) mm requirement；Assembly crewman needs to collect simultaneously
Middle attention feels the variation of torque, more demanding to the attention of assembly crewman, and fatigue is easy in the case where mass production.
When assembly, pass through the bolt 6 on the quick precession switch block of screwdriver 5, when threaded bolt contacts spacer pin 2, sense of touch
Circuit forms access, is connected to light emitting diode 4, lights light emitting diode 4, stops precession bolt 6；Then spiral shell is slowly exited
Bolt, allows sense of touch circuit to form open circuit, and light emitting diode 4 extinguishes；Delay precession bolt 6 again and contact spacer pin 2, makes light emitting diode 4
It lights, stops precession bolt, the rigging position of bolt is needed position height L at this time, and by actually detected, consistency can
Reach ± 0.01mm.
The rigging position height L of bolt 6 is limited by spacer pin 2.It carves at the beginning, precession bolt 6 touches spacer pin 2
When, precession Bolt Torque gradually becomes larger, and when feeling that torque becomes larger, sense of touch circuit firing point brighten the hair optical diode 4 stops precession
Bolt 6,6 position height L of bolt are decided.When precession bolt 6 contacts spacer pin 2, sense of touch circuit firing point brighten the hair light two
Pole pipe 4, assembly crewman stop precession bolt, and the position of bolt is the rigging position height L needed at this time.Due to sense of touch circuit
What is felt is the contact resistance between bolt 6 and spacer pin 2, and threshold value is small and stablizes, and the transmission speed of light is fast, therefore can reduce dress
Sense of touch error with personnel keeps 6 rigging position height L of bolt more acurrate.Human eye is photosensitive of less demanding to attention, in high-volume
It is also not easy to fatigue in the case where production.
When 5 precession bolt 6 of screwdriver, it can be relatively rotated between 5 main body of position and screwdriver of 5 welding lead of screwdriver,
To guarantee that conducting wire wrapping phenomena does not occur.
For the needs for meeting batch production efficiency, when assembly, then quick precession bolt 6 slowly exits bolt 6, allows hair
Optical diode 4 extinguishes；Slow precession bolt 6 again, keeps light emitting diode 4 bright, and determining that bolt 6 reaches position height is the consistent of L
Property, the accuracy and consistency of 6 rigging position height L of bolt can be improved.
The utility model embodiment is described in detail above, specific embodiment used herein is practical to this
Novel to be expounded, above embodiments are a typically equipped exemplary explanations, are merely used to help understand the utility model
Method and assembly relation equipment；At the same time, for those skilled in the art is having based on the idea of the present invention
There will be changes in body embodiment and application range, for example the spacer pin coaxially assembled with bolt to top is not limited to this
Kind device, can be replaced with different related devices.In conclusion the content of the present specification should not be construed as to the utility model
Limitation.
Claims (4)
1. a kind of manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment, assemble switch block including one
Positioning seat (1), it is characterised in that: be formed with the blind hole of assembly switch base (8) on positioning seat (1), made on the blind via bottom end face
Having and holds the limit pin hole coaxial to tower spring hole with switch base (8), the Step Shaft on spacer pin (2) is inserted into the limit pin hole,
Step circles axis of a cylinder on spacer pin (2), using positioning seat (1) transverse plane as datum level, forming transverse plane height is L, and coaxial
Tower spring bolt across tower spring (7) is to dome-shaped state, and the Step Shaft on spacer pin (2) is connected by wire connecting power (3)
Light emitting diode (4) and screwdriver (5) form tower spring threaded bolt contacts point spacing ≯ 0.4 ± 0.1mm in manipulation of switches component
Sense of touch circuit.
2. manipulation of switches component tower spring threaded bolt contacts point assembly building as described in claim 1 away from technological equipment, feature exists
In: switch block is fixed in the sagging hole of positioning seat (1), and bolt (6) coaxially withstands on limit by the tower spring hole of switch block
It sells on (2).
3. manipulation of switches component tower spring threaded bolt contacts point assembly building as described in claim 1 away from technological equipment, feature exists
In: the rigging position height L of bolt (6) is limited by spacer pin (2).
4. manipulation of switches component tower spring threaded bolt contacts point assembly building as described in claim 1 away from technological equipment, feature exists
In: what sense of touch circuit was felt is the contact resistance between bolt (6) and spacer pin (2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031819.2U CN209491501U (en) | 2019-01-09 | 2019-01-09 | Manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920031819.2U CN209491501U (en) | 2019-01-09 | 2019-01-09 | Manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment |
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| Publication Number | Publication Date |
|---|---|
| CN209491501U true CN209491501U (en) | 2019-10-15 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920031819.2U Active CN209491501U (en) | 2019-01-09 | 2019-01-09 | Manipulation of switches component tower spring threaded bolt contacts point assembly building away from technological equipment |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570989A (en) * | 2019-01-09 | 2019-04-05 | 成都凯天电子股份有限公司 | The method for determining bolt rigging position consistency in switch block |
-
2019
- 2019-01-09 CN CN201920031819.2U patent/CN209491501U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109570989A (en) * | 2019-01-09 | 2019-04-05 | 成都凯天电子股份有限公司 | The method for determining bolt rigging position consistency in switch block |
| CN109570989B (en) * | 2019-01-09 | 2024-01-12 | 成都凯天电子股份有限公司 | Method for determining consistency of assembly positions of bolts in switch assembly |
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