CN207600328U - A kind of assembled accurate moistureproof digital-display caliper - Google Patents

A kind of assembled accurate moistureproof digital-display caliper Download PDF

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Publication number
CN207600328U
CN207600328U CN201721763880.3U CN201721763880U CN207600328U CN 207600328 U CN207600328 U CN 207600328U CN 201721763880 U CN201721763880 U CN 201721763880U CN 207600328 U CN207600328 U CN 207600328U
Authority
CN
China
Prior art keywords
mounting groove
display
digital
housing
moistureproof
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201721763880.3U
Other languages
Chinese (zh)
Inventor
曾军民
石建军
史国巨
沈建伟
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Zhejiang Ming Kang Engineering Consulting Co Ltd
Original Assignee
Zhejiang Ming Kang Engineering Consulting Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Zhejiang Ming Kang Engineering Consulting Co Ltd filed Critical Zhejiang Ming Kang Engineering Consulting Co Ltd
Priority to CN201721763880.3U priority Critical patent/CN207600328U/en
Application granted granted Critical
Publication of CN207600328U publication Critical patent/CN207600328U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model discloses a kind of assembled accurate moistureproof digital-display calipers, its key points of the technical solution are that including blade, and it is arranged on the ruler frame on blade, display main body is provided on ruler frame, show that main body includes housing, and it is arranged on the circuit board in housing, circular mounting groove is offered on housing, internal thread is provided in mounting groove, the slot bottom of mounting groove offers the first through hole communicated with enclosure interior, circular accommodating body is threaded on mounting groove, accommodating cavity is provided in accommodating body, desiccant pack is provided in the accommodating cavity, the second through-hole is offered on accommodating body so that mounting groove to be kept to be communicated with accommodating cavity.Absorption is dried in the steam that drier in accommodating cavity can will go into enclosure interior, achievees the purpose that protect enclosure interior circuit board, has the characteristics that enclosure interior is moisture-proof, to improve the service life of the digital display calliper to a certain extent.

Description

A kind of assembled accurate moistureproof digital-display caliper
Technical field
The utility model is related to commercial measurement field of tool, more particularly to a kind of assembled accurate moistureproof digital-display caliper.
Background technology
Digimatic calipers Instrument measuring precision is high, reading is intuitive, easy to use, it has also become mechanical processing, metrology and measurement, One of conventional indispensable tool of the departments such as on-line checking, the examination and test of products.
But the sensor of digital display calliper and digital circuits section use in a humid environment, easily because of vapor Infiltration condenses and forms moisture film and cause electric leakage or short circuit so that digital display calliper cisco unity malfunction is so that fail, so as to limit Its use scope causes the service life of digital display calliper to decline.
Utility model content
In view of the deficienciess of the prior art, the purpose of this utility model is to provide a kind of moisture-proof numbers of pin-connected panel high-precision Video card ruler, has the characteristics that moisture-proof, can improve service life to a certain extent.
The above-mentioned technical purpose of the utility model technical scheme is that:
A kind of assembled accurate moistureproof digital-display caliper, including blade and the ruler frame being arranged on blade, the ruler frame On be provided with display main body, the display main body includes housing and the circuit board being arranged in housing, is opened up on the housing There is circular mounting groove, internal thread is provided in the mounting groove, the slot bottom of the mounting groove is offered to be communicated with enclosure interior First through hole, be threaded with circular accommodating body on the mounting groove, accommodating cavity, the appearance be provided in the accommodating body It puts intracavitary and is provided with desiccant pack, the second through-hole is offered on the accommodating body so that mounting groove to be kept to be communicated with accommodating cavity.
Through the above technical solutions, having accommodating cavity in accommodating body, desiccant pack is provided in accommodating cavity, by that will house Body is threaded on mounting groove, is interconnected by the second through-hole mounting groove with accommodating cavity, is passed through first through hole Mounting groove is communicated with enclosure interior, is achieved in accommodating cavity and is communicated with enclosure interior, due to screw thread between accommodating body and mounting groove Sealing can avoid extraneous steam from entering, and the drier in accommodating cavity can will go into the steam progress of enclosure interior It is dry to absorb, achieve the purpose that protect enclosure interior circuit board, have the characteristics that enclosure interior is moisture-proof, to carry to a certain extent The service life of the high digital display calliper.
Preferably, the accommodating body includes cover and closing cap, has and mounting groove internal thread in the outer circle of the cover The external screw thread being adapted, second through-hole are arranged on closing cap, and the bottom of the cover has opening, and the closing cap is embedding In the opening of cover.
Through the above technical solutions, closing cap is inlaid in the opening of cover, and it is logical positioned at the bottom of cover, second to be open Hole is arranged on closing cap, at this point, first through hole is opposite with the second through-hole, on the one hand ensure that accommodating cavity and enclosure interior phase It is logical, it on the other hand can ensure the connection sealing between cover and mounting groove.
Preferably, the end face of the cover is equipped with the raised line for gripping.
Through the above technical solutions, raised line facilitates user to hold to rotate accommodating body from mounting groove.
Preferably, the display main body further includes display screen, operation button and capacitor grid transducer, and the operation button is located at The both sides of display screen, the capacitor grid transducer are arranged in housing, and the capacitor grid transducer, operation button and display screen connect respectively It is connected to circuit board.
Through the above technical solutions, capacitor grid transducer is the capacitance sensor of a major class variable area principle, its electrode is not Only a pair of, electrode arrangement is in pectination, has the characteristics of high sensitivity, high certainty of measurement.
Preferably, the surface of the housing offers observation panel, and transparent mirror is equipped between the observation panel and display screen Piece.
Through the above technical solutions, transparent glasses lens can seal the gap between display screen and housing, water is on the one hand avoided Gap of the vapour between display screen and housing enters, and on the other hand achievees the purpose that protect display screen.
Preferably, it is connected with trip bolt on the ruler frame.
Through the above technical solutions, trip bolt is used for position of the fixed ruler frame on blade.
In conclusion the utility model having the beneficial effect that in contrast to the prior art:
Absorption is dried in the steam that drier in accommodating cavity can will go into enclosure interior, reaches in protective shell body The purpose of portion's circuit board has the characteristics that enclosure interior is moisture-proof, to improve the service life of the digital display calliper to a certain extent.
Description of the drawings
Fig. 1 is the structure diagram of embodiment;
Fig. 2 is the structure diagram that main body is shown in embodiment;
Fig. 3 is the side view that main body is shown in embodiment;
Fig. 4 is the structure diagram of cover in embodiment.
Reference numeral:1st, blade;2nd, ruler frame;3rd, upper measuring jaw;4th, lower measuring jaw;5th, trip bolt;6th, main body is shown;61st, shell Body;62nd, operation button;63rd, circuit board;64th, display screen;65th, observation panel;66th, transparent glasses lens;7th, mounting groove;8th, internal thread;9、 First through hole;10th, accommodating body;101st, cover;102nd, closing cap;103rd, external screw thread;104th, it is open;105th, raised line;11st, it houses Chamber;12nd, desiccant pack;13rd, the second through-hole.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
As shown in Figure 1, a kind of assembled accurate moistureproof digital-display caliper, including blade 1 and is arranged on blade 1 Ruler frame 2, ruler frame 2 are slidably mounted on blade 1, are respectively arranged with measuring jaw 3 and lower measuring jaw 4 on blade 1 and ruler frame 2, on ruler frame 2 Trip bolt 5 is connected with, display main body 6 is provided on ruler frame 2.By sliding position of the ruler frame 2 on blade 1, pass through upper amount Pawl 3 or lower measuring jaw 4 measure object to be detected, can be by showing that main body 6 carries out reading.
Specifically, with reference to shown in Fig. 1 and Fig. 3, display main body 6 includes housing 61, the operation button being arranged in housing 61 62nd, circuit board 63, display screen 64 and capacitor grid transducer(It is not shown in figure), wherein, it is additionally provided with to provide electricity in housing 61 The battery of energy(It is not shown in figure).Capacitor grid transducer, operation button 62 and display screen 64 are connected to circuit board 63, and operation is pressed Key 62 is located at the both sides of display screen 64, and capacitor grid transducer is arranged in housing 61.
Capacitor grid transducer is a kind of based on variable area operation principle, can measure the capacitance digital sensor of big displacement, energy Straight-line displacement distance of the measuring scale frame 2 on blade 1 is reached to be shown on display screen 64.What deserves to be explained is the table of housing 61 Face offers observation panel 65, and transparent glasses lens 66 are equipped between observation panel 65 and display screen 64, and transparent glasses lens 66 can be used transparent Glass material or transparent plastics material.
Wherein, with reference to shown in Fig. 2 and Fig. 4, circular mounting groove 7 is offered on housing 61, interior spiral shell is provided in mounting groove 7 Line 8, the slot bottom of mounting groove 7 offer the first through hole 9 communicated with inside housing 61, are threaded on mounting groove 7 circular Accommodating body 10 is provided with accommodating cavity 11 in accommodating body 10, desiccant pack 12 is provided in accommodating cavity 11, is offered on accommodating body 10 Second through-hole 13 is to keep mounting groove 7 to be communicated with accommodating cavity 11.Specifically, accommodating body 10 includes cover 101 and closing cap 102, There is the external screw thread 103 being adapted with 7 internal thread 8 of mounting groove, the second through-hole 13 is arranged on closing cap in the outer circle of cover 101 On 102, the bottom of cover 101 has opening 104, and closing cap 102 is inlaid in the opening 104 of cover 101.Wherein, cover 101 End face be equipped with for gripping raised line 105.
The course of work:
The closing cap 102 in cover 101 is opened, desiccant pack 12 is placed in accommodating cavity 11, closing cap 102 is embedded in By the way that cover 101 and the rotation of 7 pairing of mounting groove are fit into mounting groove 7 after in cover 101, at this point, accommodating cavity 11 It being communicated with inside housing 61, absorption is dried in the steam that the drier in accommodating cavity 11 can will go into inside housing 61, Achieve the purpose that protect 61 internal circuit board 63 of housing have the characteristics that 61 inside of housing is moisture-proof, to improve to a certain extent The service life of the digital display calliper.
The above is only the exemplary embodiment of the utility model, the protection model rather than limited the present invention It encloses, the scope of protection of the utility model is determined by appended claim.

Claims (6)

1. a kind of assembled accurate moistureproof digital-display caliper, including blade (1) and the ruler frame (2) being arranged on blade (1), Display main body (6) is provided on the ruler frame (2), the display main body (6) is including housing (61) and is arranged on housing (61) Interior circuit board (63), which is characterized in that circular mounting groove (7) is offered on the housing (61), the mounting groove (7) is interior Internal thread (8) is provided with, the slot bottom of the mounting groove (7) offers the first through hole (9) with being communicated inside housing (61), described Circular accommodating body (10) is threaded on mounting groove (7), accommodating cavity (11), the appearance are provided in the accommodating body (10) It puts in chamber (11) and is provided with desiccant pack (12), the second through-hole (13) is offered to keep mounting groove on the accommodating body (10) (7) it is communicated with accommodating cavity (11).
A kind of 2. assembled accurate moistureproof digital-display caliper according to claim 1, which is characterized in that the accommodating body (10) have including cover (101) and closing cap (102), in the outer circle of the cover (101) and mounting groove (7) internal thread (8) The external screw thread (103) being adapted, second through-hole (13) are arranged on closing cap (102), the bottom tool of the cover (101) There is opening (104), the closing cap (102) is inlaid in the opening (104) of cover (101).
A kind of 3. assembled accurate moistureproof digital-display caliper according to claim 2, which is characterized in that the cover (101) end face is equipped with the raised line (105) for gripping.
A kind of 4. assembled accurate moistureproof digital-display caliper according to claim 1, which is characterized in that the display main body (6) display screen (64), operation button (62) and capacitor grid transducer are further included, the operation button (62) is positioned at display screen (64) Both sides, the capacitor grid transducer are arranged in housing (61), the capacitor grid transducer, operation button (62) and display screen (64) point It is not connected to circuit board (63).
A kind of 5. assembled accurate moistureproof digital-display caliper according to claim 4, which is characterized in that the housing (61) Surface offer observation panel (65), transparent glasses lens (66) are installed between the observation panel (65) and display screen (64).
A kind of 6. assembled accurate moistureproof digital-display caliper according to claim 1, which is characterized in that the ruler frame (2) On be connected with trip bolt (5).
CN201721763880.3U 2017-12-16 2017-12-16 A kind of assembled accurate moistureproof digital-display caliper Expired - Fee Related CN207600328U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201721763880.3U CN207600328U (en) 2017-12-16 2017-12-16 A kind of assembled accurate moistureproof digital-display caliper

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201721763880.3U CN207600328U (en) 2017-12-16 2017-12-16 A kind of assembled accurate moistureproof digital-display caliper

Publications (1)

Publication Number Publication Date
CN207600328U true CN207600328U (en) 2018-07-10

Family

ID=62767089

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201721763880.3U Expired - Fee Related CN207600328U (en) 2017-12-16 2017-12-16 A kind of assembled accurate moistureproof digital-display caliper

Country Status (1)

Country Link
CN (1) CN207600328U (en)

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GR01 Patent grant
GR01 Patent grant
CF01 Termination of patent right due to non-payment of annual fee
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20180710

Termination date: 20201216