CN220382334U - Connecting device and infrared touch screen using same - Google Patents
Connecting device and infrared touch screen using same Download PDFInfo
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- CN220382334U CN220382334U CN202320907846.8U CN202320907846U CN220382334U CN 220382334 U CN220382334 U CN 220382334U CN 202320907846 U CN202320907846 U CN 202320907846U CN 220382334 U CN220382334 U CN 220382334U
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- 239000000084 colloidal system Substances 0.000 claims abstract description 52
- 230000000149 penetrating effect Effects 0.000 claims description 26
- 239000000758 substrate Substances 0.000 claims description 16
- 238000005452 bending Methods 0.000 claims description 14
- 230000035515 penetration Effects 0.000 claims 4
- 238000000034 method Methods 0.000 description 4
- 238000009434 installation Methods 0.000 description 3
- 239000002184 metal Substances 0.000 description 3
- 230000000712 assembly Effects 0.000 description 2
- 238000000429 assembly Methods 0.000 description 2
- 238000004364 calculation method Methods 0.000 description 2
- 230000008878 coupling Effects 0.000 description 2
- 238000010168 coupling process Methods 0.000 description 2
- 238000005859 coupling reaction Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 230000008054 signal transmission Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000605 extraction Methods 0.000 description 1
- 230000001737 promoting effect Effects 0.000 description 1
- 238000012827 research and development Methods 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model discloses a connecting device and an infrared touch screen using the same, wherein the connecting device comprises a connecting needle assembly and a connecting seat assembly; the height of the first colloid in the connecting pin assembly is 2.7mm, and the distance between every two adjacent first pins and the distance between every two adjacent second pins are 1.15mm; the diameter of each first contact pin and each second contact pin is 0.4mm; the height of the second colloid in the connecting seat component is 2.8mm, and the distance between every two adjacent first perforation center points and the distance between every two adjacent second perforation center points are 1.15mm; the diameter of each first perforation and each said second perforation is 0.45mm. By adopting the connecting device with the structure, the capacity of the cavity for installing the infrared touch screen is effectively reduced on the premise of ensuring the performance of the infrared touch screen, and the assembly operation difficulty is further reduced.
Description
Technical Field
The utility model belongs to the technical field of infrared touch screens, and particularly relates to a connecting device and an infrared touch screen using the same.
Background
The infrared touch screen is widely applied to various fields with the advantages of stable performance, high reliability, convenient production, convenient installation and the like; the infrared touch screen is arranged in a tubular cavity of the whole machine, as shown in fig. 1, the cavity is positioned around the screen of the whole machine and consists of four frames (a part indicated by a, b, c, d in fig. 1) up, down, left and right; fig. 2 is a schematic cross-sectional view of a cavity, wherein openings are designed at two ends of the cavity for installing an infrared touch screen circuit board, the width of the cavity is W, the height of the cavity is H, a clamping groove 5 is designed in the cavity for installing the infrared touch screen circuit board, and the cavity comprises a circuit board substrate 3, a connecting needle assembly 1, a connecting seat assembly 2 and a cavity shape 4; because the production process limits the length of a single circuit board, a single frame is required to be assembled into a plurality of infrared touch screen circuit boards to meet the size requirement, and as shown in fig. 3, the adjacent circuit boards are spliced by adopting a connecting device.
The application defects of the existing connecting device for the infrared touch screen are as follows: 1.27mm pitch connecting means: the spacing between the pins is 1.27mm, the height is 3.5mm, the diameter of the pins is 0.4mm, and the thickness of the colloid for wrapping the pins is 0.38mm; the height of the device is higher, the pitch of the contact PINs is larger, and as the PIN number of the metal contact PINs is increased, the width of the connecting device exceeds the width W of the cavity, so that the circuit board cannot be installed in the cavity of the frame; 1.0mm pitch connecting device: the distance between the pins is 1.0mm, the height is 2.3mm, the diameter of the pins is 0.3mm, and the thickness of the colloid for wrapping the pins is 0.3mm; the diameter of the contact pin is smaller, the contact area between the connecting pin and the connecting seat is smaller during splicing, and the conducting current does not meet the use requirement; the metal contact pin has low strength and is easy to bend; the whole machine is high in installation accuracy during assembly and inconvenient to operate.
Along with the development of the integrated machine technology and pursuing the appearance of a narrow frame of the whole machine, the structural design of the frame of the whole machine of the client is compact, and the assembly space of the infrared touch screen is reduced. In order to meet the demands of customers and reduce the volume of the cavity, the development of a novel connecting device is still one of main subjects of research and development personnel at present.
Disclosure of Invention
Accordingly, a primary object of the present utility model is to provide a connecting device, which solves the problem that the cavity for installing the infrared touch screen is not compact enough in the prior art, resulting in inconvenient operation during assembly.
The utility model also provides an infrared touch screen using the connecting device.
In order to achieve the above purpose, the technical scheme of the utility model is realized as follows: the connecting device is used for an infrared touch screen and comprises a connecting needle assembly and a connecting seat assembly which are mutually matched and connected, wherein the connecting needle assembly and the connecting seat assembly are respectively connected with two adjacent circuit board substrates in the infrared touch screen;
the connecting pin assembly comprises a first colloid, a plurality of first pins and a plurality of second pins, the first pins and the second pins are respectively and sequentially and uniformly penetrated into a row along the long side direction of the first colloid, and the second pins are positioned above the first pins;
the height of the first colloid in the connecting pin assembly is 2.7mm, and the distance between every two adjacent first pins and the distance between every two adjacent second pins are 1.15mm; the diameter of each first pin and each second pin is 0.4mm; the distance between each first pin and the second pin parallel to the first pin is 1.15mm;
the connecting seat assembly comprises a second colloid, a plurality of contact spring plates and a plurality of leading-out seats, wherein the contact spring plates and the leading-out seats are arranged on the second colloid, and a plurality of first through holes respectively used for penetrating each first contact pin and second through holes used for penetrating each second contact pin are also arranged on the second colloid; the first through holes and the second through holes are positioned above the contact spring plates;
the height of the second colloid in the connecting seat assembly is 2.8mm, and the distance between every two adjacent first perforation center points and the distance between every two adjacent second perforation center points are 1.15mm; the diameter of each first perforation and each second perforation is 0.45mm; each first perforation is spaced from the second perforation juxtaposed thereto by a distance of 1.15mm.
Preferably, the first pin in the connection pin assembly includes a first penetrating portion, a first bending portion and a first contact portion, and the second pin includes a second penetrating portion, a second bending portion and a second contact portion; the lengths of the second penetrating part and the second bending part are longer than those of the first penetrating part and the first bending part, and the height of the first contact part is the same as that of the second contact part.
Preferably, the plurality of contact spring plates in the connecting seat assembly are sequentially and uniformly distributed on one side, close to the first colloid, of the second colloid along the long-side direction of the second colloid; the plurality of leading-out seats are sequentially and uniformly distributed on one side, far away from the first colloid, of the second colloid.
Preferably, the first penetrating portion of the first pin is inserted into the first through hole of the second colloid, and the second penetrating portion of the second pin is inserted into the second through hole of the second colloid.
The other technical scheme of the utility model is realized as follows: the utility model provides an infrared touch screen, includes touch screen body, a plurality of circuit board base plate and a plurality of foretell connecting device, a plurality of the circuit board base plate passes through a plurality of connecting device concatenation forms and is used for installing the cavity of touch screen body.
Preferably, the infrared touch screen further comprises electronic components, and the electronic components are arranged on a plurality of circuit board substrates.
Compared with the prior art, the connecting device with the structure not only achieves the aim of connecting two circuit board substrates, but also reduces the volume of the cavity for installing the infrared touch screen on the premise of guaranteeing the performance of the infrared touch screen, thereby achieving the purposes of reducing the operation difficulty of assembly and effectively improving the product quality and market competitiveness; in addition, the connecting device has simple structure and easy operation, and is worth greatly promoting and using.
Drawings
FIG. 1 is a schematic diagram of a prior art cavity for mounting an infrared touch screen;
FIG. 2 is a schematic cross-sectional view of a cavity for mounting an infrared touch screen in the prior art;
FIG. 3 is a schematic view of a splicing structure of a connecting device and an adjacent circuit board substrate in a cavity in the prior art;
fig. 4 is a schematic structural diagram of a connection device according to embodiment 1 of the present utility model;
fig. 5 is a schematic perspective view of a connecting needle assembly in a connecting device according to embodiment 1 of the present utility model;
fig. 6 is a schematic perspective view of a first pin in a connection device according to embodiment 1 of the present utility model;
fig. 7 is a schematic perspective view of a second pin in the connection device according to embodiment 1 of the present utility model;
fig. 8 is a schematic perspective view of a connector assembly in a connector according to embodiment 1 of the present utility model;
fig. 9 is a schematic perspective view of a connecting seat assembly of the connecting device according to embodiment 1 of the present utility model from another view;
fig. 10 is a front view of a connecting needle assembly in the connecting device according to embodiment 1 of the present utility model;
FIG. 11 is a side view of a coupling needle assembly in a coupling device according to embodiment 1 of the present utility model;
FIG. 12 is a top view of the connecting needle assembly of the connecting device according to embodiment 1 of the present utility model;
fig. 13 is a front view of a connector assembly in the connector according to embodiment 1 of the present utility model;
fig. 14 is a top view of a connector assembly in the connector according to embodiment 1 of the present utility model;
fig. 15 is a schematic cross-sectional view of a cavity for installing an infrared touch screen using the connection device according to embodiment 1 of the present utility model.
In the figure, 1, a connecting pin assembly, 11, a first colloid, 12, a first contact pin, 121, a first penetrating part, 122, a first bending part, 123, a first contact part, 13, a second contact pin, 131, a second penetrating part, 132, a second bending part, 133, a second contact part, 2, a connecting seat assembly, 21, a second colloid, 211, a first through hole, 212, a second through hole, 22, a contact spring plate, 23, an extraction seat, 3, a circuit board substrate, 4, a cavity shape and 5, a clamping groove.
Detailed Description
The present utility model will be described in further detail with reference to specific embodiments in order to make the objects, technical solutions and advantages of the present utility model more apparent. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the scope of the utility model.
In the description of the present utility model, it should be clearly understood that terms such as "vertical", "horizontal", "longitudinal", "front", "rear", "left", "right", "upper", "lower", "horizontal", and the like indicate an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of describing the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model. In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.
Example 1
The embodiment 1 of the utility model provides a connecting device for an infrared touch screen, referring to fig. 4, 5, 8, 9, 10, 13 and 15, comprising a connecting pin assembly 1 and a connecting seat assembly 2 which are mutually matched and spliced, wherein the connecting pin assembly 1 and the connecting seat assembly 2 are respectively connected with two adjacent circuit board substrates 3 in the infrared touch screen;
the connecting pin assembly comprises a first colloid 11, a plurality of first pins 12 and a plurality of second pins 13, wherein the first pins 12 and the second pins 13 are respectively and sequentially and uniformly penetrated into a row along the long side direction of the first colloid 11, and the second pins 13 are positioned above the first pins 12; the height of the first colloid 11 is 2.7mm, and the distance between every two adjacent first pins 12 and the distance between every two adjacent second pins 13 are 1.15mm; the diameter of each first pin 12 and each second pin 13 is 0.4mm; a distance between each first pin 12 and the second pin 13 juxtaposed with the first pin is 1.15mm;
the connecting seat assembly 2 comprises a second colloid 21, a plurality of contact spring plates 22 and a plurality of leading-out seats 23, which are arranged on the second colloid 21, wherein a plurality of first through holes 211 respectively used for penetrating each first contact pin 12 and a plurality of second through holes 212 respectively used for penetrating each second contact pin 13 are also arranged on the second colloid 21; and the first through holes 211 and the second through holes 212 are positioned above the contact spring plates 22; the height of the second colloid 21 is 2.8mm, and the distance between the center points of every two adjacent first perforations 211 and the distance between the center points of every two adjacent second perforations 212 are 1.15mm; each of the first and second perforations 211, 212 has a diameter of 0.45mm; each of the first perforations 211 is spaced apart from the second perforation 212 juxtaposed thereto by a distance of 1.15mm.
After the scheme is adopted, the connecting device with the structure not only achieves the purpose of connecting two circuit board substrates 3, but also reduces the volume of a cavity for installing the infrared touch screen on the premise of guaranteeing the performance of the infrared touch screen, and further achieves the purpose of reducing the operation difficulty of assembly.
Referring to fig. 8 and 9, in a specific implementation process of the present embodiment, a plurality of contact spring plates 22 are sequentially and uniformly arranged on a side, close to the first colloid 11, of the second colloid 21 along the long-side direction of the second colloid 21; the plurality of lead-out seats 23 are sequentially and uniformly arranged on one side, far away from the first colloid 11, of the second colloid 21.
Referring to fig. 6 and 7, in a specific implementation process of the present embodiment, the first pin 12 includes a first penetrating portion 121, a first bending portion 122, and a first contact portion 123, the second pin 13 includes a second penetrating portion 131, a second bending portion 132, and a second contact portion 133, lengths of the second penetrating portion 131 and the second bending portion 132 are longer than lengths of the first penetrating portion 121 and the first bending portion 122, and a height of the first contact portion 123 is the same as a height of the second contact portion 133.
Referring to fig. 4 to 9, in the specific implementation process of this embodiment, the first penetrating portion 121 of the first pin 12 is inserted into the first through hole 211 of the second colloid 21, and the second penetrating portion 131 of the second pin 13 is inserted into the second through hole 212 of the second colloid 21.
Referring to fig. 6 and 7, in a specific implementation process of this embodiment, the length of the second penetrating portion 131 on the second pin 13 is longer than the length of the first penetrating portion 121 on the first pin 12.
As can be seen from the above structure, the connection device provided in embodiment 1 of the present utility model reduces the volume of the cavity and reduces the operation difficulty during the assembly of the whole device on the premise of ensuring the performance of the infrared touch screen;
the connecting device provided by the embodiment of the utility model adopts the 1.15mm spacing as the contact pin spacing for the novel connecting pins and the 1.15mm spacing as the socket spacing for the connecting seat assembly 2, so that the compactness of the connecting pin assembly 1 and the connecting seat assembly 2 is improved, and the purpose of reducing the cavity volume of the infrared touch screen is realized.
The connecting device provided by the embodiment of the utility model adopts the first contact pin with the diameter of 0.4mm for connecting the pin assembly, so that the structural strength of the connecting device is improved, the on current is increased, and better signal transmission quality is realized.
The connecting device provided by the embodiment of the utility model adopts the first perforation and the second perforation with the diameters of 0.45mm for connecting the seat component 2, so that the contact area with the connecting needle component 1 is enlarged, and the stability of the connecting device is improved.
Referring to fig. 10, 11 and 12, the front view, side view, top view and key parameters of the (2 x5 PIN) connecting PIN assembly 1 in the connecting device provided in this embodiment 1 are respectively shown, and this parameter is applicable to the novel connecting PIN assemblies with other PIN numbers.
In the front view of the connecting needle assembly 1 shown in fig. 10, the first colloid 1 has a height of 2.7mm.
The connector pin assembly 1 shown in fig. 11 is seen in side view, with a first pin 12 and a second pin 13 having a pitch of 1.15mm.
The connecting pin assembly 1 shown in fig. 12 is seen in plan view, and the diameters of the first pin 12 and the second pin 13 are 0.4mm.
Referring to fig. 13, 14 and 15, the front view, side view, top view and key parameters of the (2 x5 PIN) connector assembly 2 in the connector provided in embodiment 1 are respectively shown, and the parameters are applicable to the novel connector assemblies with other PIN numbers.
In the front view of the connecting seat assembly 2 shown in fig. 13, the height of the second colloid 21 is 2.8mm, and the distance between the center point of the first through hole 211 on the second colloid 21 and the center point of the second through hole 212 on the second colloid 21 is 1.15mm.
The connector assembly 2 shown in fig. 14 is seen in plan view, the spacing distance between two adjacent lead-out seats 23 is 1.15mm, and the width of each contact spring 22 is 0.45mm.
Referring to fig. 15, the assembly width W of the cavity for mounting the infrared touch screen was 11.6mm, the assembly height H was 4.8mm, and a connection device of 2x7 PIN was used.
Calculation is performed from the fitting width: if a 1.27mm pitch connector is used, the width is 9.27mm; if a 1.15mm pitch connector is used, a width of 8.54mm can be saved by 0.73 mm.
Calculation is performed from the assembly height: if a 1.27mm pitch connector is used, the height is 3.5mm; if a 1.15mm pitch connector is used, the height is 2.8mm, and the assembly height of 0.7mm can be saved.
Compared with a connecting device with a 1.27mm spacing, the connecting device with a 1.15mm spacing reduces the spacing and the height of the pins and reduces the area of the cavity assembly circuit board.
Compared with a connecting device with a 1.0mm spacing, the connecting device with a 1.15mm spacing enlarges the diameter of the metal contact pin, has lower conduction internal resistance, smaller loop loss, better signal transmission quality and larger conduction current, improves the strength of the connecting device, and reduces the installation precision of the whole machine, thereby being convenient to assemble.
Therefore, the connecting device provided in embodiment 1 has the advantages of firm splicing, convenient assembly and the like, realizes the narrow frame design of the infrared touch screen, and has the advantages of convenient assembly, small assembly volume and the like.
Example 2
The infrared touch screen provided by the embodiment comprises a screen body, a plurality of circuit board substrates 3 and the connecting devices in the embodiments 1, wherein the circuit board substrates 3 are spliced to form a cavity for installing the infrared touch screen through the connecting devices.
By adopting the connecting device in the embodiment 1 to install the infrared touch screen, the purpose of connecting two circuit board substrates is achieved, the volume of a cavity for installing the infrared touch screen is reduced on the premise of ensuring the performance of the infrared touch screen, the operation difficulty of assembly is further reduced, and the product quality and the market competitiveness are also effectively improved.
Further, the infrared touch screen further comprises electronic components, and the electronic components are arranged on a plurality of the circuit board substrates 3.
The present utility model is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present utility model are intended to be included in the scope of the present utility model. Therefore, the protection scope of the present utility model should be subject to the protection scope of the claims.
Claims (6)
1. The connecting device is used for an infrared touch screen and is characterized by comprising a connecting needle assembly (1) and a connecting seat assembly (2) which are connected in a matched manner, wherein the connecting needle assembly (1) and the connecting seat assembly (2) are respectively connected with two adjacent circuit board substrates (3) in the infrared touch screen;
the connecting pin assembly (1) comprises a first colloid (11), a plurality of first pins (12) and a plurality of second pins (13), wherein the first pins (12) and the second pins (13) are respectively and sequentially and uniformly penetrated into a row along the long side direction of the first colloid (11), and the second pins (13) are positioned above the first pins (12);
the height of the first colloid (11) in the connecting pin assembly (1) is 2.7mm, and the distance between every two adjacent first pins (12) and the distance between every two adjacent second pins (13) are 1.15mm; the diameter of each first pin (12) and each second pin (13) is 0.4mm; the distance between each first pin (12) and the second pin (13) parallel to the first pin is 1.15mm;
the connecting seat assembly (2) comprises a second colloid (21), a plurality of contact spring plates (22) and a plurality of leading-out seats (23), wherein the contact spring plates (22) and the leading-out seats (23) are arranged on the second colloid (21), and a plurality of first through holes (211) for penetrating each first contact pin (12) and second through holes (212) for penetrating each second contact pin (13) are also arranged on the second colloid (21); and a plurality of first perforations (211) and a plurality of second perforations (212) are positioned above the plurality of contact spring plates (22);
the height of the second colloid (21) in the connecting seat assembly (2) is 2.8mm, and the distance between the center points of every two adjacent first through holes (211) and the distance between the center points of every two adjacent second through holes (212) are 1.15mm; -the diameter of each of said first perforations (211) and each of said second perforations (212) is 0.45mm; each first perforation (211) is spaced from the second perforation (212) juxtaposed thereto by a distance of 1.15mm.
2. The connecting device according to claim 1, wherein the first pin (12) in the connecting pin assembly (1) comprises a first penetrating portion (121), a first bending portion (122) and a first contact portion (123), and the second pin (13) comprises a second penetrating portion (131), a second bending portion (132) and a second contact portion (133); the lengths of the second penetrating part (131) and the second bending part (132) are longer than those of the first penetrating part (121) and the first bending part (122), and the height of the first contact part (123) is the same as that of the second contact part (133).
3. The connecting device according to claim 2, wherein a plurality of contact spring plates (22) in the connecting seat assembly (2) are sequentially and uniformly distributed on one side, close to the first colloid (11), of the second colloid (21) along the long-side direction of the second colloid (21); the plurality of leading-out seats (23) are sequentially and uniformly distributed on one side, far away from the first colloid (11), of the second colloid (21).
4. A connection device according to claim 3, wherein the first penetration portion (121) of the first pin (12) is inserted into the first penetration hole (211) of the second colloid (21), and the second penetration portion (131) of the second pin (13) is inserted into the second penetration hole (212) of the second colloid (21).
5. An infrared touch screen, characterized by comprising a touch screen body, a plurality of circuit board substrates (3) and a plurality of connecting devices according to any one of claims 1-4, wherein the circuit board substrates (3) are spliced to form a cavity for installing the touch screen body through the connecting devices.
6. The infrared touch screen according to claim 5, further comprising electronic components, said electronic components being arranged on a plurality of said circuit board substrates (3).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907846.8U CN220382334U (en) | 2023-04-21 | 2023-04-21 | Connecting device and infrared touch screen using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320907846.8U CN220382334U (en) | 2023-04-21 | 2023-04-21 | Connecting device and infrared touch screen using same |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220382334U true CN220382334U (en) | 2024-01-23 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320907846.8U Active CN220382334U (en) | 2023-04-21 | 2023-04-21 | Connecting device and infrared touch screen using same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220382334U (en) |
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2023
- 2023-04-21 CN CN202320907846.8U patent/CN220382334U/en active Active
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