Fingerprint touchpad and cover plate fitting positioning jig

Abstract

The utility model discloses a fingerprint touchpad and cover plate fitting positioning jig, which comprises a bottom plate and an upper cover, the upper cover covers the upper end face of the bottom plate, the bottom plate is hermetically connected with the upper cover, a vacuum groove is formed in the bottom plate, an empty suction pipe interface communicated with the vacuum groove is formed in the side face of the bottom plate, and the vacuum suction pipe interface is communicated with the vacuum groove. The upper end face of the upper cover is concaved inwards to form a sinking groove, a step is arranged on the edge of the sinking groove, a plurality of connecting holes right opposite to the vacuum groove are formed in the sinking groove, a positioning groove is formed in the sinking groove, and a disassembling groove is formed in the side face of the upper cover. According to the utility model, the bad problems of blistering, wrinkling, protruding and the like in the attaching process of the PCB can be avoided, and the connecting holes arranged in the shape like the Chinese character'ri 'can provide uniform adsorption force.

Description

Technical Field

[0001] The utility model relates to the bonding of a touch PCB board and a cover plate of an electronic product, in particular to a positioning fixture for bonding a fingerprint touch panel and a cover plate. Background Technique

[0002] In the field of modern electronic device manufacturing, especially in intelligent terminal devices such as smart phones and tablet computers, fingerprint touch technology has been widely used. With the continuous improvement of consumers' requirements for product quality and appearance, the bonding accuracy of the fingerprint touch panel and the cover plate has become one of the key factors affecting product quality. In order to meet the market demand for high-quality electronic devices, a positioning fixture capable of achieving high-precision bonding is required.

[0003] Existing PCB boards are large in size and thin in thickness, and there is a certain degree of deformation. After directly bonding the fingerprint touch panel and the cover plate with a common limiting fixture, there will be poor problems such as blistering, wrinkling, and protrusion between the fingerprint touch panel and the cover plate. Content of the Utility Model

[0004] The purpose of the utility model is to provide a positioning fixture for bonding a fingerprint touch panel and a cover plate, which has the advantage of good bonding between the fingerprint touch panel and the cover plate, and solves the poor problems such as blistering, wrinkling, and protrusion that occur after directly bonding the fingerprint touch panel and the cover plate with the current limiting fixture.

[0005] To achieve the above purpose, the utility model provides the following technical solution: A positioning fixture for bonding a fingerprint touch panel and a cover plate, including a bottom plate and an upper cover. The upper cover covers the upper end surface of the bottom plate, and the bottom plate and the upper cover are sealed and connected. A vacuum groove is opened inside the bottom plate, and an empty suction pipe interface communicating with the vacuum groove is opened on the side of the bottom plate. The empty suction pipe interface penetrates through the bottom plate from the inside to the outside and extends out of the side of the bottom plate. A sunken groove is formed by concave inward on the upper end surface of the upper cover. A step is provided at the edge of the sunken groove, and a plurality of connection holes facing the vacuum groove are provided inside the sunken groove. A positioning groove is opened inside the sunken groove, and a disassembly groove is opened on the side of the upper cover.

[0006] Preferably, the vacuum groove is in the shape of a Chinese character 'Ri'.

[0007] Preferably, the empty suction pipe interface is an M5 threaded pipe interface.

[0008] Preferably, the height value of the step is between 0.5 and 1.0 mm.

[0009] Preferably, the end of the connection hole communicating with the sunken groove is set in a flared shape.

[0010] Preferably, two disassembly grooves are provided and symmetrically arranged on both sides of the upper cover, and the height value of the disassembly groove is less than the height value of the step.

[0011] Preferably, one side of the disassembly groove extends into the sinking groove, and the other side expands outward in an eight-shaped shape.

[0012] Compared with the prior art, the beneficial effects of the present invention are as follows:

[0013] 1. The utility model is provided with a bottom plate, a vacuum groove, an empty straw interface, an upper cover, a sinking groove, a step and a connecting hole. The bottom plate and the upper cover are sealed together, the vacuum groove is connected through the connecting hole, and vacuum is drawn through the empty straw interface. The PCB board is adsorbed on the step provided in the sinking groove through a plurality of connecting holes, thereby avoiding blistering, wrinkling, bulging and other undesirable problems of the PCB board during the bonding process. The connecting holes arranged in a Japanese shape can provide uniform adsorption force.

[0014] 2. The utility model provides a positioning groove and a disassembly groove. The positioning groove opened in the sinking groove can position the PCB board. The disassembly groove extending into the sinking groove makes it easy to remove the finished product by inserting a tool into the disassembly groove after the fingerprint touch panel and the cover are attached. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] Figure 1 This is a schematic diagram of the main structure of the utility model;

[0016] Figure 2 It is an exploded view of the utility model;

[0017] Figure 3 For this utility model Figure 2 A magnified schematic diagram of the structure at center A.

[0018] The reference numerals and names in the figures are as follows:

[0019] 1. Bottom plate; 11. Vacuum tank; 12. Empty straw interface; 2. Upper cover; 21. Sinking tank; 22. Step; 23. Connection hole; 24. Positioning slot; 25. Disassembly slot. DETAILED DESCRIPTION

[0020] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0021] In the description of the embodiments of the present invention, it should be understood that the terms "length", "width", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inside", "outside" and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the accompanying drawings, and are only for the convenience of describing the embodiments of the present invention and simplifying the description, rather than indicating or implying that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as limiting the present invention. In addition, the terms "first" and "second" are used for descriptive purposes only, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the indicated technical features. Therefore, the features defined as "first" and "second" may explicitly or implicitly include one or more of the features. In the description of the embodiments of the present invention, "multiple" means two or more, unless otherwise clearly and specifically defined.

[0022] In the embodiments of the present invention, unless otherwise expressly specified or limited, the terms "installed," "connected," "connected," "fixed," etc. should be understood in a broad sense. For example, they may refer to fixed connection, detachable connection, or integration; mechanical connection, electrical connection; direct connection, indirect connection through an intermediate medium; internal communication between two components, or interaction between two components. Those skilled in the art will understand the specific meanings of the above terms in the embodiments of the present invention based on specific circumstances.

[0023] See also Figures 1 to 3 The utility model provides an embodiment: a fingerprint touch panel and cover plate fitting positioning fixture, including a bottom plate 1 and an upper cover 2, the upper cover 2 covers the upper end surface of the bottom plate 1, and the bottom plate 1 and the upper cover 2 are sealed. A vacuum groove 11 is opened inside the bottom plate 1, and an empty straw interface 12 connected to the vacuum groove 11 is opened on the side of the bottom plate 1. The empty straw interface 12 passes through the bottom plate 1 from the inside to the outside and extends out of the side of the bottom plate 1. The upper end surface of the upper cover 2 is concave to form a sinking groove 21. The edge of the sinking groove 21 is provided with a step 22. In specific implementation, a PCB board is placed in the step 22. The thickness of the PCB board is generally 0.5~1.0mm. The thickness is about 125*75mm in size, and a number of connecting holes 23 facing the vacuum groove 11 are provided in the sinking groove 21. A positioning groove 24 is provided in the sinking groove 21, and a disassembly groove 25 is provided on the side of the upper cover 2. The vacuum groove 11 is in the shape of a Japanese character, and the empty straw interface 12 is an M5 threaded pipe interface. The height value of the step 22 is between 0.5~1.0mm. The connecting hole 23 is connected to one end of the sinking groove 21 and is arranged in a trumpet shape. There are two disassembly grooves 25, which are symmetrically arranged on both sides of the upper cover 2, and the height value of the disassembly groove 25 is less than the height value of the step 22. One side of the disassembly groove 25 extends into the sinking groove 21, and the other side expands outward in an eight-shaped shape.

[0024] Working principle: During the operation of the present invention, the PCB board is embedded in the step 22, and then the air in the vacuum groove 11 is extracted through the empty suction pipe interface 12, and the PCB board embedded in the step 22 is adsorbed by a plurality of connecting holes 23, and then the cover plate is covered on the PCB board for fitting.

[0025] It will be apparent to those skilled in the art that the present invention is not limited to the details of the exemplary embodiments described above and that the present invention can be implemented in other specific forms without departing from the spirit or essential characteristics of the present invention. Therefore, the embodiments should be considered in all respects as illustrative and non-restrictive, and the scope of the present invention is defined by the appended claims, not the foregoing description, and all variations within the meaning and range of equivalents of the claims are intended to be encompassed within the present invention. Any reference sign in a claim should not be construed as limiting the claim to which it relates.

Claims

1. A fingerprint touch panel and cover plate fitting positioning fixture, characterized by: It includes a bottom plate (1) and an upper cover (2). The upper cover (2) covers the upper end face of the bottom plate (1), and the bottom plate (1) and the upper cover (2) are sealed and connected. A vacuum groove (11) is formed inside the bottom plate (1), and an empty straw interface (12) communicating with the vacuum groove (11) is formed on the side of the bottom plate (1). The empty straw interface (12) penetrates through the bottom plate (1) from the inside to the outside and extends out of the side of the bottom plate (1). A sunken groove (21) is formed by concave-convex on the upper end face of the upper cover (2). Steps (22) are arranged on the edge of the sunken groove (21), and a number of connection holes (23) facing the vacuum groove (11) are arranged in the sunken groove (21). A positioning groove (24) is formed in the sunken groove (21), and a disassembly groove (25) is formed on the side of the upper cover (2).

2. The fingerprint touch panel and cover plate lamination and positioning jig according to claim 1, characterized in that: The vacuum groove (11) is in the shape of a Chinese character 'Ri'.

3. The fingerprint touch panel and cover plate laminating and positioning jig according to claim 1, characterized in that: The empty straw interface (12) is an M5 threaded pipe interface.

4. The fingerprint touch panel and cover plate lamination and positioning jig according to claim 1, characterized in that: The height value of the step (22) is between 0.5 and 1.0 mm.

5. The fingerprint touch panel and cover plate laminating and positioning jig according to claim 1, characterized in that: One end of the connection hole (23) communicating with the sunken groove (21) is arranged in a flared shape.

6. The fingerprint touch panel and cover plate laminating and positioning jig according to claim 1, characterized in that: Two disassembly grooves (25) are arranged and symmetrically arranged on both sides of the upper cover (2), and the height value of the disassembly groove (25) is less than the height value of the step (22).

7. The fingerprint touch panel and cover plate laminating and positioning jig according to claim 1, characterized in that: One side of the disassembly groove (25) extends into the sunken groove (21), and the other side expands outward in a shape of an eight.

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