CN209147861U - A kind of mobile phone shell snapped-in position detection device - Google Patents

A kind of mobile phone shell snapped-in position detection device Download PDF

Info

Publication number
CN209147861U
CN209147861U CN201821956669.8U CN201821956669U CN209147861U CN 209147861 U CN209147861 U CN 209147861U CN 201821956669 U CN201821956669 U CN 201821956669U CN 209147861 U CN209147861 U CN 209147861U
Authority
CN
China
Prior art keywords
mobile phone
locating piece
phone shell
snapped
test
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.)
Withdrawn - After Issue
Application number
CN201821956669.8U
Other languages
Chinese (zh)
Inventor
李志龙
赵岁科
石远松
张安全
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.)
Dongguan Chitwing Technology Co Ltd
Original Assignee
Dongguan Chitwing Technology 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 Dongguan Chitwing Technology Co Ltd filed Critical Dongguan Chitwing Technology Co Ltd
Priority to CN201821956669.8U priority Critical patent/CN209147861U/en
Application granted granted Critical
Publication of CN209147861U publication Critical patent/CN209147861U/en
Withdrawn - After Issue legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model discloses a kind of mobile phone shell snapped-in position detection devices, including test block, the first test suite and the second test suite for detecting mobile phone shell snapped-in position;First test suite includes the first locating piece, and first locating piece both ends are provided with the first inclined-plane, and the test block for being fitted in first inclined-plane when detecting;Second test suite includes the second locating piece, and second locating piece both ends are provided with the second inclined-plane, and the test block for being fitted in second inclined-plane when detecting;The first test suite is cooperated to detect the snapped-in position of mobile phone shell long side by using test block, and the second test suite is cooperated to detect the snapped-in position of mobile phone shell short side using test block, the detection for the position that testing staff can be completed by test block to mobile phone shell buckle, simplify detection structure, reduce detecting step, improves detection efficiency.

Description

A kind of mobile phone shell snapped-in position detection device
Technical field
The utility model relates to CNC to detect applied technical field, more specifically, it relates to a kind of mobile phone shell snapped-in position Detection device.
Background technique
In the process of the smart electronics product such as mobile phone, plate, often it is related to the processing buckled on shell, this Very crucial effect is played during the assembling for being buckled in mobile phone a bit, when there is error in the position of these buckles, will lead to hand Casing does not close and crack occurs, in addition can also crushing to some electronic components, seriously affect subsequent assembly, therefore, It is particularly significant for the detection of the snapped-in position degree in mobile phone shell.
Buckle in existing mobile phone shell mainly has straight buckle and tiltedly buckles both forms, compared to straight buckle, tiltedly blocks The structure of button is easily installed and dismantles, and therefore, has obtained vast cell phone manufacturer and has used.
Detection to tiltedly buckling, one is the method detections that table is played in use, but since selection of datum is more difficult, in selection of datum It is larger to will lead to measuring result error in the case of improperly;It is exactly to carry out vision-based detection using ccd image sensor there are also one kind, But since ccd image shows that equipment price is expensive, it is unfavorable for producing line popularization.
Therefore, the prior art could be improved and develop.
Utility model content
Problem to be solved in the utility model is, in view of the above drawbacks of the prior art, provides a kind of mobile phone shell buckle Position detecting device, it is intended to cooperate the first test suite to examine the snapped-in position of mobile phone shell long side by using test block It surveys, and cooperates the second test suite to detect the snapped-in position of mobile phone shell short side using test block, keep testing staff logical The detection for crossing the position that test block can be completed to mobile phone shell buckle, simplifies detection structure, reduces detecting step, improves detection effect Rate.
The above-mentioned technical purpose of the utility model has the technical scheme that
A kind of mobile phone shell snapped-in position detection device, wherein including the test block for detecting mobile phone shell snapped-in position, use In the first test suite for cooperating the test block detection mobile phone shell long side snapped-in position and for cooperating the test block to examine Survey the second test suite of mobile phone shell short side snapped-in position;
First test suite includes the first locating piece, and first locating piece both ends are provided with the first inclined-plane, described Test block is fitted on first inclined-plane when detecting mobile phone shell long side snapped-in position;
Second test suite includes the second locating piece, and second locating piece both ends are provided with the second inclined-plane, described Test block is fitted on second inclined-plane when detecting mobile phone shell short side snapped-in position.
Further, the mobile phone shell snapped-in position detection device, wherein first test suite further includes being used for Support the first supporting block of first locating piece, the first rotary table positioning pin for positioning first locating piece with And the first square positioning pin for positioning first locating piece;
First supporting block is fixedly connected with first locating piece;
The first rotary table positioning pin is located at one end of first locating piece and is slidably connected with first locating piece;
The first square positioning pin is located at the other end of first locating piece and slides with first locating piece and connects It connects.
Further, the mobile phone shell snapped-in position detection device, wherein the first rotary table positioning pin and described the The first spring is provided between a positioning block.
Further, the mobile phone shell snapped-in position detection device, wherein the first square positioning pin and described the Second spring is provided between a positioning block.
Further, the mobile phone shell snapped-in position detection device, wherein first inclined-plane and the mobile phone shell are long The inclined-plane of the buckle of side position is parallel.
Further, the mobile phone shell snapped-in position detection device, wherein second test suite further includes being used for Support the second supporting block of second locating piece, the second rotary table positioning pin for positioning second locating piece with And the second square positioning pin for positioning second locating piece;
Second supporting block is fixedly connected with second locating piece;
The second rotary table positioning pin is located at one end of second locating piece and is slidably connected with second locating piece;
The second square positioning pin is located at the other end of second locating piece and slides with second locating piece and connects It connects.
Further, the mobile phone shell snapped-in position detection device, wherein the second rotary table positioning pin and described the Third spring is provided between two locating pieces.
Further, the mobile phone shell snapped-in position detection device, wherein the second square positioning pin and described the The 4th spring is provided between two locating pieces.
Further, the mobile phone shell snapped-in position detection device, wherein second inclined-plane and the mobile phone shell are short The inclined-plane of the buckle of side position is parallel.
Further, the mobile phone shell snapped-in position detection device, wherein the test block includes go side and not-go-end, The go side is located at one end of the test block, and the not-go-end is located at the other end of the test block, the surface of the test block The notch of the not-go-end and go side is distinguished when being provided with for detecting.
The utility model has the following beneficial effects: the utility model cooperates the first test suite due to using test block The snapped-in position of mobile phone shell long side is detected, and cooperates the second test suite to the card of mobile phone shell short side using test block Button bit, which is set, to be detected, and so that testing staff is passed through the go side and not-go-end of test block whether to detect the position of mobile phone shell buckle Processing is qualified, simplifies the structure of detection device, reduces detecting step, facilitate the operation of testing staff, improves detection Efficiency.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model mobile phone shell snapped-in position detection device.
Fig. 2 is the structural representation of the utility model mobile phone shell snapped-in position detection device detection mobile phone shell long side snapped-in position Figure.
Fig. 3 is the structural representation of the utility model mobile phone shell snapped-in position detection device detection mobile phone shell short side snapped-in position Figure.
Fig. 4 is the structural schematic diagram of the test block of the utility model.
Fig. 5 is the positive structure schematic of first test suite of the utility model.
Fig. 6 is the reverse structure schematic of first test suite of the utility model.
Fig. 7 is the positive structure schematic of second test suite of the utility model.
Fig. 8 is the reverse structure schematic of second test suite of the utility model.
Fig. 9 is that the utility model detection snapped-in position is qualified detection schematic diagram.
Figure 10 is that the utility model detection snapped-in position is underproof detection schematic diagram.
In Fig. 1: test block 1, the first test suite 2, the second test suite 3, mobile phone shell 4.
In Fig. 2: test block 1, the first test suite 2, mobile phone shell 4.
In Fig. 3: test block 1, the second test suite 3, mobile phone shell 4.
In Fig. 4: test block 1, go side 11, not-go-end 12, notch 13.
In Fig. 5: the first locating piece 21, the first supporting block 22, the first rotary table positioning pin 23, the first square positioning pin 24, One inclined-plane 27.
In Fig. 6: the first locating piece 21, the first supporting block 22, the first rotary table positioning pin 23, the first square positioning pin 24, One spring 25, second spring 26.
In Fig. 7: the second locating piece 31, the second supporting block 32, the second rotary table positioning pin 33, the second square positioning pin 34, Two inclined-planes 37.
In Fig. 8: the second locating piece 31, the second supporting block 32, the second rotary table positioning pin 33, the second square positioning pin 34, Three springs 35, the 4th spring 36.
In Fig. 9: test block 1, go side 11, the first locating piece 21, mobile phone shell 4.
In Figure 10: test block 1, not-go-end 12, notch 13, the first locating piece 21, mobile phone shell 4.
Specific embodiment
The utility model is described in further detail below in conjunction with attached drawing.
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.
Embodiment: as shown in Figure 1, a kind of mobile phone shell snapped-in position detection device, including test block 1, the first test suite 2 And second test suite 3;Whether the test block 1 is qualified for detecting 4 snapped-in position of mobile phone shell, first test suite 2 for cooperating the test block 1 to detect 4 long side snapped-in position of mobile phone shell, and second test suite 3 is for cooperating institute Test block 1 is stated to detect 4 short side snapped-in position of mobile phone shell.
As shown in Figure 2 and Figure 5, first test suite 2 includes the first locating piece 21,21 both ends of the first locating piece It is provided with the first inclined-plane 27, the test block 1 is for being fitted in first inclined-plane when detecting 4 long side snapped-in position of mobile phone shell On 27.
As shown in Figure 3 and Figure 7, second test suite 3 includes the second locating piece 31,31 both ends of the second locating piece It is provided with the second inclined-plane 37, the test block 1 is for being fitted in second inclined-plane when detecting 4 short side snapped-in position of mobile phone shell On 37.
Detection method:
First test suite 2 is mounted in mobile phone shell 4, by the way that the test block 1 fitting is placed on described the On first inclined-plane 27 of one test suite 2, first test suite 2 is cooperated to examine the snapped-in position of 4 long side of mobile phone shell It surveys;After the snapped-in position for having detected 4 long side of mobile phone shell, first test suite 2 is removed, second test suite 3 is pacified In mobile phone shell 4, by the way that the test block 1 fitting to be placed on the second inclined-plane 37 of second test suite 3, cooperate Second test suite 3 detects the snapped-in position of 4 short side of mobile phone shell.
As shown in figure 4, the test block 1 includes go side 11, not-go-end 12 and notch 13;The go side 11 and not-go-end 12 divide The both ends of the test block 1 are not set, and the surface of the test block 1 is arranged in the notch 13, and is located at the not-go-end 12 Side;Whether the go side 11 and not-go-end 12 are for judging 4 snapped-in position of mobile phone shell when detecting 4 snapped-in position of mobile phone shell Processing is qualified;The notch 13 is for distinguishing the go side 11 and not-go-end 12 when detecting.
The judgement principle of the go side 11 and not-go-end 12:
When detection, the buckle of mobile phone shell 4 is detected using the go side 11 of test block 1 first, when the go side 11 can When entering buckle the inside, it was demonstrated that the position of buckle meets the smallest examination criteria;Then using not-go-end 12 to mobile phone shell 4 Buckle is detected, when the not-go-end 12 cannot enter buckle the inside, it was demonstrated that the position of buckle meets maximum detection Standard;When the position of buckle meets the examination criteria of minimum and maximum simultaneously, the position of the buckle meets processing Standard.
As shown in Figure 5 and Figure 6, first test suite 2 includes the first locating piece 21, the first supporting block 22, first circle Platform positioning pin 23, the first square positioning pin 24, the first spring 25, second spring 26 and the first inclined-plane 27.
First locating piece 21 passes through for positioning position of first test suite 2 in mobile phone shell 4 The positioning action of first locating piece 21,4 long side of mobile phone shell buckle height can accurately be detected by making test block 1 when detecting Whether position is in the precision of required processing.
The both ends of first locating piece 21 are provided with for placing the test block 1 to detect the card of 4 long side of mobile phone shell The position of button whether He Ge the first inclined-plane 27, the inclined-plane on first inclined-plane 27 and the buckle of the 4 long side position of mobile phone shell In parallel.
The bottom of first locating piece 21 is provided with 4 the first supporting blocks 22, and first supporting block 22 is used to support First locating piece 21 maintains a certain distance first locating piece 21 with 4 inner cavity of casing.
Since the inner surface of the mobile phone shell 4 has multiple rugged grooves, in order to guarantee the precision of detection, First locating piece 21 is supported using first supporting block 22, so that first locating piece 21 and mobile phone shell 4 Inner surface maintains a certain distance;Accordingly, the inner surface of the mobile phone shell 4 is provided with installation first supporting block 22 Device slot.
The bottom surface of first locating piece 21 is provided with the first rotary table positioning pin 23, the first rotary table positioning pin 23 For positioning 21 lateral position of the first locating piece, the first rotary table positioning pin 23 is distributed in first positioning One end of block 21, and distribution corresponding with the position of camera shooting head bore in the mobile phone shell 4.
The first rotary table positioning pin 23 is slidably connected with first 21 pieces of the positioning, and by a transverse bolt to described the The moving position of one rotary table positioning pin 23 is defined, to prevent the first rotary table positioning pin 23 from falling.
The first spring 25, first bullet are provided between the first rotary table positioning pin 23 and first locating piece 21 Spring 25 makes 23 slide downward of the first rotary table positioning pin, and reach mobile phone for strutting the first rotary table positioning pin 23 The scheduled position (in camera shooting head bore) of shell 4, when preventing from detecting due to the first rotary table positioning pin 23 does not reach predetermined position Influence positioning accuracy.
The other end of first locating piece 21 is provided with the first square positioning pin 24, and the first square positioning pin 24 is used In first locating piece 21 is positioned in longitudinal position of mobile phone shell 4.
The first square positioning pin 24 is slidably connected with first 21 pieces of the positioning, and by a transverse bolt to described the The moving position of one square positioning pin 24 is defined, to prevent the first square positioning pin 24 from falling.
Second spring 26, second bullet are provided between the first square positioning pin 24 and first locating piece 21 Spring 26 is identical as the effect of first spring 25.
As shown in Figure 7 and Figure 8, second test suite 3 includes the second locating piece 31, the second supporting block 32, second circle Platform positioning pin 33, the second square positioning pin 34, third spring 35, the 4th spring 36 and the second inclined-plane 37.
Second locating piece 31 passes through for positioning position of second test suite 3 in mobile phone shell 4 The positioning action of second locating piece 31,4 short side of mobile phone shell buckle height can accurately be detected by making test block 1 when detecting Whether position is in the precision of required processing.
The both ends of second locating piece 31 are provided with for placing the test block 1 to detect the card of 4 short side of mobile phone shell The position of button whether He Ge the second inclined-plane 37, the inclined-plane on second inclined-plane 37 and the buckle of the 4 short side position of mobile phone shell In parallel.
The bottom of second locating piece 31 is provided with 4 the second supporting blocks 32, and second supporting block 32 is used to support Second locating piece 31 maintains a certain distance second locating piece 31 with 4 inner cavity of casing.
Accordingly, it is provided in the inner surface of the mobile phone shell 4 and the device slot of second supporting block 32 is installed.
The installation site of the second rotary table positioning pin 33 is identical as the installation site of the first rotary table positioning pin 23, and The effect of the second rotary table positioning pin 33 is identical as the effect of the first rotary table positioning pin 23.
Third spring 35, the third bullet are provided between the second rotary table positioning pin 33 and second locating piece 31 Spring 35 acts on identical with first spring 25.
The installation site of the second square positioning pin 34 is identical as the installation site of the first square positioning pin 24, and The effect of the second square positioning pin 34 is identical as the effect of the first square positioning pin 24.
The 4th spring 36, the 4th bullet are provided between the second square positioning pin 34 and second locating piece 31 Spring 36 is identical as the effect of the second spring 26.
Detection method: first lying in a horizontal plane in mobile phone shell 4 to be detected in detection platform, and by the first test suite 2 It is placed in the mobile phone shell 4, the position of corresponding first locating piece 21, the first rotary table positioning pin 23 and the first square positioning pin 24 It sets and positions position of first test suite 2 in mobile phone shell 4, test block 1 is then fitted in the first locating piece On 21 the first inclined-plane 27, successively the go side 11 of the test block 1 and not-go-end 12 are inserted into the buckle of 4 long side of mobile phone shell The snapped-in position of 4 long side of mobile phone shell is detected in face.
Second test suite 3 is placed in the mobile phone shell 4, to the snapped-in position of 4 short side of mobile phone shell by same method It is detected.
Detection judges whether it is qualified standard:
As shown in Figure 9 and Figure 10, for detecting the snapped-in position of 4 long side of mobile phone shell, when detection, by the test block 1 It is close to the first inclined-plane 27 of the first locating piece 21, it is right in buckle to be successively inserted into the go side 11 of the test block 1 and not-go-end 12 Buckle is detected;When the go side 11 can enter in buckle, and the not-go-end 12 cannot enter in buckle, sentence The position of disconnected buckle is that processing is qualified.
The testing principle of snapped-in position:
The method that the utility model uses building benchmark is configured, with the position of the special hole of mobile phone shell to detection group The position of part is positioned, and the inclined-plane of same gradient is arranged in the inclined-plane of the buckle according to mobile phone shell on test suite, is utilized Designed test block is fitted in the inclined-plane on test suite, detects to the position of the buckle of mobile phone shell, when mobile phone shell When the position of buckle meets the examination criteria of test block, that is, that detects the buckle is processed as qualification.
In conclusion the utility model has the following beneficial effects: the utility model is due to using test block cooperation the One test suite detects the snapped-in position of mobile phone shell long side, and cooperates the second test suite to mobile phone using test block The snapped-in position of shell short side is detected, and so that testing staff is passed through the go side and not-go-end of test block to detect mobile phone shell buckle Position whether process qualification, simplify the structure of detection device, reduce detecting step, facilitate the operation of testing staff, Improve detection efficiency.
It should be understood that the application of the utility model is not limited to above-mentioned citing, those of ordinary skill in the art are come It says, it can be modified or changed according to the above description, and all these modifications and variations all should belong to the appended power of the utility model The protection scope that benefit requires.

Claims (10)

1. a kind of mobile phone shell snapped-in position detection device, which is characterized in that including the test for detecting mobile phone shell snapped-in position Block, the first test suite for cooperating test block detection mobile phone shell long side snapped-in position and for cooperating the test Second test suite of block detection mobile phone shell short side snapped-in position;
First test suite includes the first locating piece, and first locating piece both ends are provided with the first inclined-plane, the test Block is fitted on first inclined-plane when detecting mobile phone shell long side snapped-in position;
Second test suite includes the second locating piece, and second locating piece both ends are provided with the second inclined-plane, the test Block is fitted on second inclined-plane when detecting mobile phone shell short side snapped-in position.
2. mobile phone shell snapped-in position detection device according to claim 1, which is characterized in that first test suite is also The first supporting block including being used to support first locating piece, the first rotary table for positioning first locating piece Positioning pin and the first square positioning pin for positioning first locating piece;
First supporting block is fixedly connected with first locating piece;
The first rotary table positioning pin is located at one end of first locating piece and is slidably connected with first locating piece;
The first square positioning pin is located at the other end of first locating piece and is slidably connected with first locating piece.
3. mobile phone shell snapped-in position detection device according to claim 2, which is characterized in that the first rotary table positioning pin The first spring is provided between first locating piece.
4. mobile phone shell snapped-in position detection device according to claim 2, which is characterized in that the first square positioning pin Second spring is provided between first locating piece.
5. mobile phone shell snapped-in position detection device according to claim 1, which is characterized in that first inclined-plane with it is described The inclined-plane of the buckle of mobile phone shell long side position is parallel.
6. mobile phone shell snapped-in position detection device according to claim 1, which is characterized in that second test suite is also The second supporting block including being used to support second locating piece, the second rotary table for positioning second locating piece Positioning pin and the second square positioning pin for positioning second locating piece;
Second supporting block is fixedly connected with second locating piece;
The second rotary table positioning pin is located at one end of second locating piece and is slidably connected with second locating piece;
The second square positioning pin is located at the other end of second locating piece and is slidably connected with second locating piece.
7. mobile phone shell snapped-in position detection device according to claim 6, which is characterized in that the second rotary table positioning pin Third spring is provided between second locating piece.
8. mobile phone shell snapped-in position detection device according to claim 6, which is characterized in that the second square positioning pin The 4th spring is provided between second locating piece.
9. mobile phone shell snapped-in position detection device according to claim 1, which is characterized in that second inclined-plane with it is described The inclined-plane of the buckle of mobile phone shell short side position is parallel.
10. mobile phone shell snapped-in position detection device according to claim 1, which is characterized in that the test block includes logical End and not-go-end, the go side are located at one end of the test block, and the not-go-end is located at the other end of the test block, the test The notch of the not-go-end and go side is distinguished when the surface of block is provided with for detecting.
CN201821956669.8U 2018-11-26 2018-11-26 A kind of mobile phone shell snapped-in position detection device Withdrawn - After Issue CN209147861U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201821956669.8U CN209147861U (en) 2018-11-26 2018-11-26 A kind of mobile phone shell snapped-in position detection device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201821956669.8U CN209147861U (en) 2018-11-26 2018-11-26 A kind of mobile phone shell snapped-in position detection device

Publications (1)

Publication Number Publication Date
CN209147861U true CN209147861U (en) 2019-07-23

Family

ID=67287491

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201821956669.8U Withdrawn - After Issue CN209147861U (en) 2018-11-26 2018-11-26 A kind of mobile phone shell snapped-in position detection device

Country Status (1)

Country Link
CN (1) CN209147861U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109443129A (en) * 2018-11-26 2019-03-08 东莞捷荣技术股份有限公司 A kind of mobile phone shell snapped-in position detection device and detection method

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109443129A (en) * 2018-11-26 2019-03-08 东莞捷荣技术股份有限公司 A kind of mobile phone shell snapped-in position detection device and detection method
CN109443129B (en) * 2018-11-26 2024-04-16 东莞捷荣技术股份有限公司 Device and method for detecting fastening position of mobile phone shell

Similar Documents

Publication Publication Date Title
CN103776396B (en) Flatness checking device
CN203502013U (en) Flatness detection apparatus
CN101236230A (en) Detection apparatus
CN209147861U (en) A kind of mobile phone shell snapped-in position detection device
CN104279937A (en) Detecting tool special for detecting safety air bag of automobile
CN109737911A (en) A kind of calibration tool, blind-mating connector interworking gap measuring device and method
CN204461331U (en) A kind of cross plate deformation Simple measurement device
CN204854567U (en) Utensil is examined in quick multi -functional drilling
CN106686180B (en) A kind of mobile phone subplate device for quick testing
CN205120889U (en) Response glass sensor test fixture
CN104567609B (en) The detection means and detection method of hole position distance on arc-shaped curved surface
CN109990722A (en) A kind of bottle cap detection device
CN109443129A (en) A kind of mobile phone shell snapped-in position detection device and detection method
US10161734B2 (en) Measurement fixture for measuring dimensions of a blade server
CN213238811U (en) Detector for automatically and rapidly detecting flatness
CN110500929A (en) A kind of quick multifunctional drilling cubing
CN107014270A (en) Cubing
CN203364760U (en) Direct insertion type electronic component pin detecting machine
CN209512687U (en) The cubing of improved measuring machine shell-side hole location
CN205665128U (en) Integral type digital display resiliometer
CN209147889U (en) A kind of mobile phone shell feature holes cubing
CN206300630U (en) Bearing size auxiliary detection tool
CN207501812U (en) Hydroecium position degree checks jig
CN204269079U (en) Mouse pressure angle height detecting device
CN220708297U (en) Novel flatness detection jig

Legal Events

Date Code Title Description
GR01 Patent grant
GR01 Patent grant
AV01 Patent right actively abandoned

Granted publication date: 20190723

Effective date of abandoning: 20240416

AV01 Patent right actively abandoned

Granted publication date: 20190723

Effective date of abandoning: 20240416