CN218496134U

CN218496134U - Sensor and PCB board installation shell

Info

Publication number: CN218496134U
Application number: CN202222457862.XU
Authority: CN
Inventors: 叶龙; 马涛; 姜红梅; 田涵朴; 李江华
Original assignee: Super Wisdom Shanghai Internet Of Things Technology Co ltd; Henan Zilian Internet Of Things Technology Co ltd
Current assignee: Super Wisdom Shanghai Internet Of Things Technology Co ltd; Henan Zilian Internet Of Things Technology Co ltd
Priority date: 2022-09-16
Filing date: 2022-09-16
Publication date: 2023-02-17
Anticipated expiration: 2032-09-16

Abstract

The utility model relates to a sensor technical field, concretely designs a sensor and PCB board installation shell. A PCB mounting shell comprises a shell body, wherein a supporting piece and a clamping block are arranged on the side wall of the shell body, a clamping groove is formed between the supporting piece and the clamping block, the clamping groove is provided with an opening facing to the opposite side wall, and one end of a PCB is inserted into the clamping groove; one end of the side wall, back to the support piece, of the support piece is provided with a guide block, the guide block is provided with a guide surface, and the guide surface is connected with the support surface of the support piece in a smooth transition mode and used for guiding one end of the PCB to be inserted into the clamping groove. Like this, when the PCB board inserts in the draw-in groove, can place the PCB board earlier on the guide block, later promote the PCB board under the support and the guide effect of guide block and insert in the draw-in groove, and need not the unsettled draw-in groove opening of aiming at of PCB board in order to insert the draw-in groove, improve the installation effectiveness.

Description

Sensor and PCB board installation shell

Technical Field

The utility model relates to a sensor technology field, concretely relates to PCB board installation shell.

Background

The door and window magnetic sensor is one of sensors and can sense the opening and closing states of opening and closing objects such as doors, windows and the like in real time. The sensor comprises a shell, a cover plate and a PCB, wherein the PCB is fixed in the shell, and the cover plate is fixed at the opening of the shell in a sealing manner so as to ensure the safety and the service life of the sensor.

Chinese utility model patent with grant publication No. CN212138155U discloses a PCB board fixed knot constructs, including the drain pan (being the PCB board installation shell), install the PCB board in the drain pan, releasable connection is fixed with the side cap on the drain pan, is equipped with on the side cap to support the piece. Supporting parts are arranged on the four side walls of the bottom shell, a clamping block is arranged above the supporting part on one side wall, a clamping groove is formed between the clamping block and the supporting part, and limiting parts are arranged on two opposite side walls, adjacent to the clamping block, of the bottom shell. When the PCB is installed, one end of the PCB is clamped into the clamping groove, the other end of the PCB is pressed on the supporting piece by the supporting piece on the side cover, all the supporting pieces support the bottom surface of the PCB, and the limiting piece limits the PCB in the front-rear direction so as to fix the PCB in the bottom shell.

Although the structure of above-mentioned casing can realize fixing the PCB board in the casing, because support piece is nearer apart from the distance of drain pan lateral wall, consequently, need insert the draw-in groove with the PCB board is unsettled, lead to the difficult opening of aiming at two draw-in grooves respectively with PCB board both ends, and need adjust PCB board insertion angle and position repeatedly, reduce work efficiency.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a PCB board installation shell to solve among the prior art the difficult technical problem who once inserts the draw-in groove on the installation shell with the PCB board. An object of the utility model is also to provide a sensor to solve the same technical problem.

In order to achieve the above object, the utility model relates to a PCB board installation shell's technical scheme is:

a PCB mounting shell comprises a shell body, wherein a supporting piece and a clamping block are arranged on the side wall of the shell body, a clamping groove is formed between the supporting piece and the clamping block, the clamping groove is provided with an opening facing to the opposite side wall, and one end of a PCB is inserted into the clamping groove; one end of the side wall, back to the support piece, of the support piece is provided with a guide block, the guide block is provided with a guide surface, and the guide surface is connected with the support surface of the support piece in a smooth transition mode and used for guiding one end of the PCB to be inserted into the clamping groove.

The beneficial effects are that: the utility model discloses an in the PCB board installation shell, the draw-in groove is stretched out along draw-in groove opening direction to the spigot surface of guide block, and the spigot surface of guide block links to each other with support piece's holding surface smooth transition, support piece's holding surface is the cell wall of draw-in groove, when the PCB board inserts the draw-in groove, can place the PCB board on the guide block earlier, later promote the PCB board under the support of guide block and the guide effect and insert in the draw-in groove, and need not the unsettled draw-in groove opening of aiming at of PCB board in order to insert the draw-in groove, improve the installation effectiveness.

In a further improvement, the guide surface and the support surface are in the same plane.

The beneficial effects are that: design like this, the cell wall parallel and level of spigot surface and draw-in groove, the resistance that receives when the PCB board is pushed to the draw-in groove cell wall from the spigot surface is less, is convenient for the PCB board to push into in the draw-in groove from the spigot surface. In addition, the guide surface and the supporting surface which are positioned on the same plane can simultaneously support the PCB, so that the contact area between the shell and the PCB is increased, and the supporting stability is improved.

The clamping groove is further improved, the groove side wall of the clamping groove on the clamping block is an inclined side wall, and the inclined side wall is gradually inclined towards the supporting piece from one end far away from the side wall where the clamping block is located to one end close to the side wall where the clamping block is located.

The beneficial effects are that: by the design, the notch of the clamping groove is flared, the PCB is gradually clamped with the clamping groove along with the increase of the length of the PCB inserted into the clamping groove, and the firmness of the PCB is improved.

The improved clamping fixture is further improved, the two adjacent side walls of the side wall where the clamping block is located are respectively provided with a first supporting block, the supporting surface of the first supporting block and the supporting surface of the supporting piece are located on the same plane, the bottom wall of the shell is provided with a vertical plate on the opposite side of the clamping block, and the vertical plate is provided with a clamping hook on one side facing the clamping block.

The beneficial effects are that: design like this, draw-in groove and pothook are spacing to the double-phase opposite end of PCB board respectively, and first supporting block supports all the other two sides of PCB board to with stable the fixing on the casing of PCB board, the other end perk when avoiding the one end chucking of PCB board simultaneously.

In a further improvement, the side wall of the shell is respectively provided with a second supporting block at two sides of the hook, and the supporting surface of the second supporting block and the supporting surface of the first supporting block are in the same plane.

The beneficial effects are that: by the design, the first supporting block, the second supporting block and the guide surface can support each side edge of the PCB so as to prevent the PCB from collapsing downwards when no supporting point is arranged at one end matched with the clamping hook.

In order to achieve the above object, the utility model relates to a technical scheme of sensor is:

a sensor comprises an installation shell and a PCB fixed in the installation shell, wherein the installation shell comprises a shell body, a supporting piece and a clamping block are arranged on the side wall of the shell body, a clamping groove is formed between the supporting piece and the clamping block, the clamping groove is provided with an opening facing to the opposite side wall, and one end of the PCB is inserted into the clamping groove; one end of the side wall, back to the support piece, of the support piece is provided with a guide block, the guide block is provided with a guide surface, and the guide surface is connected with the support surface of the support piece in a smooth transition mode and used for guiding one end of the PCB to be inserted into the clamping groove.

The beneficial effects are that: the utility model discloses an among the sensor, the clamping groove is stretched out along draw-in groove opening direction to the spigot surface of guide block, and the spigot surface of guide block links to each other with support piece's holding surface smooth transition, and support piece's holding surface is the cell wall of draw-in groove, and when the PCB board inserted the draw-in groove, can place the PCB board on the guide block earlier, later promote the PCB board under the support of guide block and the guide effect and insert in the draw-in groove, and need not the unsettled draw-in groove opening of aiming at of PCB board in order to insert the draw-in groove, improve the installation effectiveness.

The improved structure is further characterized in that second supporting blocks are respectively arranged on the two sides of the clamping hook on the side wall of the shell, and the supporting surface of each second supporting block and the supporting surface of each first supporting block are in the same plane.

The beneficial effects are that: by the design, the first supporting block, the second supporting block and the guide surface can support each side edge of the PCB, so that the PCB and one end matched with the clamping hook are prevented from collapsing downwards when no supporting point exists.

Drawings

Fig. 1 is a schematic structural diagram of the sensor of the present invention;

FIG. 2 is a cross-sectional view of FIG. 1;

FIG. 3 is a schematic structural view of the housing of FIG. 1;

FIG. 4 is a schematic view of the structure of FIG. 3 from another view angle;

fig. 5 is a sectional view of fig. 3.

Description of the reference numerals: 15. a housing; 16. a cover plate; 17. a first support block; 18. positioning ribs; 19. a guide block; 20. a clamping block; 21. a vertical plate; 22. a hook; 23. a PCB board; 24. a second support block; 25. a support member; 26. a clamping groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the present invention more clear, the present invention is further described in detail with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are for purposes of illustration only and are not intended to limit the invention, i.e., the described embodiments are only some, but not all embodiments of the invention. The components of embodiments of the present invention, as generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations.

Thus, the following detailed description of the embodiments of the present invention, presented in the accompanying drawings, is not intended to limit the scope of the invention, as claimed, but is merely representative of selected embodiments of the invention. Based on the embodiment of the present invention, all other embodiments obtained by the person skilled in the art without creative work belong to the protection scope of the present invention.

It is noted that, in the embodiments of the present invention, relational terms such as "first" and "second", and the like, which may be present in the embodiments, are only used to distinguish one entity or operation from another entity or operation, and do not necessarily require or imply that such actual relationships or sequences between the entities or operations exist. Also, terms such as "comprises," "comprising," or any other variation thereof, which may be present, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, the possible occurrence of the phrases "comprising a limited element of '8230', \8230;" 8230; "etc. does not exclude the presence of additional identical elements in the process, method, article, or apparatus that comprises the element.

In the description of the present invention, unless otherwise explicitly specified or limited, terms such as "mounted," "connected," and "connected" that may be present are to be construed broadly, e.g., as a fixed connection, a releasable connection, or an integral connection; can be mechanically or electrically connected; either directly or indirectly through intervening media, or may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

In the description of the present invention, unless otherwise explicitly specified or limited, the term "provided" may be used in a broad sense, for example, the object of "provided" may be a part of the body, or may be arranged separately from the body and connected to the body, and the connection may be a detachable connection or a non-detachable connection. The specific meaning of the above terms in the present invention can be understood by those skilled in the art from the specific situation.

The present invention will be described in further detail with reference to examples.

The utility model discloses in embodiment 1 of the sensor that provides:

as shown in fig. 1 to 3, the sensor includes a mounting shell, a cover plate 16 and a PCB 23, the mounting shell includes a shell 15, the PCB 23 is fixed in the shell 15, the shell 15 has an upward top opening, and the cover plate 16 covers the top opening and is clamped and fixed with the shell 15.

Two clamping blocks 20 extending towards the opposite side wall direction are arranged on the right side inner wall of the shell 15, the two clamping blocks 20 are distributed at intervals along the front-back direction, and the clamping blocks 20 are all arranged near the middle position of the side wall. And supporting pieces 25 are arranged on the bottom wall of the shell 15 below the clamping blocks 20, each supporting piece 25 is a block body with an L-shaped longitudinal section, and the supporting pieces 25 are connected with the corresponding clamping blocks 20 and fixed on the bottom wall of the shell 15. Also, the support surface of the support 25 has a space in the up-down direction from the corresponding latch 20, the space forms a latch groove 26, the latch groove 26 has a leftward opening, and one end of the PCB 23 can be inserted into the latch groove 26 and supported by the support 25. In other embodiments, the latch 20 and the supporter 25 may be two separate structures and have a space in the up-and-down direction.

One end of the side wall of the supporting piece 25, which is far away from the fixture block 20, is provided with a guide block 19, the guide block 19 extends along the left-right direction, and the guide block 19 is provided with a guide surface which is connected with the supporting surface of the supporting piece 25 and is positioned on the same plane. When the PCB 23 is loaded into the housing 15, one end of the PCB 23 can be placed on the guide block 19 and inserted into the card slot 26 obliquely to the right under the guide of the guide block 19. In this embodiment, the guide block 19 and the support member 25 are integrally formed.

As shown in fig. 4 and 5, a side surface of the fixture block 20 facing the support 25 is an inclined surface gradually inclined downward from one end away from the side wall where the fixture block 20 is located to one end close to the side wall where the fixture block 20 is located, so that the notch of the card slot 26 is flared, and the longer the PCB 23 is inserted into the card slot 26, the greater the engaging force between the PCB 23 and the fixture block 20 is, so as to improve the firmness of the PCB 23.

All be equipped with two first supporting blocks 17 along left right direction interval distribution on the inside wall around casing 15, first supporting block 17 is located the juncture of casing 15 diapire and inside wall. Two second supporting blocks 24 are arranged on the left side wall of the housing 15 and are distributed at intervals along the front-rear direction, and the heights of the first supporting block 17 and the second supporting block 24 and the supporting surface of the supporting piece 25 are positioned on the same plane so as to stably support the whole PCB 23. Furthermore, the first supporting block 17 and the second supporting block 24 are distributed near the middle of the side wall to support the position near the middle of each side edge of the PCB 23, so as to avoid the central collapse of the PCB 23.

All be equipped with spacing muscle on the top of each first supporting block 17 and form L type structure, when the PCB board 23 of slope is placed on first supporting block 17 gradually, the spacing muscle of front and back mutual disposition carries on spacingly to the front and back side of PCB board 23 respectively.

An upright plate 21 is arranged on the bottom wall of the housing 15 and on the opposite side of the fixture block 20, the upright plate 21 is arranged along the front-back direction, a hook 22 is arranged on one side of the upright plate 21 facing the fixture block 20, and two second support blocks 24 are symmetrically distributed at the front end and the back end of the hook 22. The top surface of the hook 22 gradually inclines towards the bottom wall of the housing 15 from the end close to the vertical plate 21 to the end far away from the vertical plate 21, after the inclined PCB 23 falls on the hook 22, the PCB 23 is pressed downwards and clamped into the lower part of the hook 22, and the inclined surface at the top end of the hook 22 is favorable for guiding the PCB 23 to be clamped downwards.

It should be noted that, the machining position of the notch 26 on the housing 15 can be adjusted during actual machining, for example, the notch 26 and the guide block 19 can be disposed on the inner side wall of the front side of the housing 15, and correspondingly, the hook 22 is disposed on the opposite side of the side wall where the latch 20 is located.

The utility model discloses an among the sensor, the spigot surface of guide block 19 and support piece 25's spigot surface are in the coplanar, and support piece 25's spigot surface is the cell wall of draw-in groove 26, and when PCB board 23 inserted in the draw-in groove 26, can place PCB board 23 on guide block 19 earlier, later promote PCB board 23 under guide block 19's support and guide effect and insert in the draw-in groove 26, and need not the unsettled alignment of PCB board 23 and insert in the draw-in groove 26, improve the installation effectiveness.

The utility model discloses in the embodiment 2 of the sensor that provides:

the present embodiment is different from embodiment 1 in that: in example 1, the guide surface and the support surface are in the same plane. In the present embodiment, the guide surface is gradually inclined toward the latch 20 in the process of approaching the support surface. In other embodiments, the guide surface may be a circular arc surface not higher than the support surface.

The utility model discloses in the embodiment 3 of the sensor that provides:

the present embodiment is different from embodiment 1 in that: in the embodiment 1, the groove sidewall of the locking groove 26 on the latch 20 is an inclined groove wall, and the inclined groove wall gradually inclines toward the supporting member 25 from the end far away from the sidewall where the latch 20 is located to the end close to the sidewall where the latch 20 is located. In the embodiment, the side wall of the slot 26 on the fixture block 20 is a horizontal plane, and at this time, the slot 26 is a straight slot. Of course, the side wall of the slot 26 on the latch 20 may also be a circular arc.

The utility model discloses in embodiment 4 of the sensor that provides:

the present embodiment is different from embodiment 1 in that: in embodiment 1, the support member 25 and the guide block 19 are integrally formed. In the present embodiment, the support member 25 and the guide block 19 are two separate blocks and are fixed by gluing.

The utility model discloses an embodiment of PCB board installation shell: the structure of the PCB board mounting case is the same as that of the mounting case according to any one of embodiments 1 to 4 of the sensor described above, and will not be described in detail here.

The above description is only the preferred embodiment of the present invention, and the present invention is not limited thereto, the protection scope of the present invention is defined by the claims, and all structural changes made by the content of the specification and the drawings should be included in the protection scope of the present invention.

Claims

1. A PCB mounting shell comprises a shell body (15), wherein a supporting piece (25) and a clamping block (20) are arranged on the side wall of the shell body (15), a clamping groove (26) is formed between the supporting piece (25) and the clamping block (20), the clamping groove (26) is provided with an opening facing to the opposite side wall, and one end of a PCB (23) is inserted into the clamping groove (26); the PCB board clamping device is characterized in that a guide block (19) is arranged at one end, back to the side wall where the supporting piece (25) is located, of the supporting piece (25), the guide block (19) is provided with a guide surface, the guide surface is connected with the supporting surface of the supporting piece (25) in a smooth transition mode, and one end of the PCB board (23) is guided to be inserted into the clamping groove (26).

2. The PCB board mounting case of claim 1, wherein the guide surface is in the same plane as the support surface.

3. The PCB mounting case of claim 2, wherein the groove sidewall of the locking groove (26) on the locking block (20) is an inclined sidewall, and the inclined sidewall gradually inclines toward the supporting member (25) from an end away from the sidewall where the locking block (20) is located to an end close to the sidewall where the locking block (20) is located.

4. The PCB mounting case of claim 1, 2 or 3, wherein two adjacent side walls of the side wall where the fixture block (20) is located are provided with a first supporting block (17), a supporting surface of the first supporting block (17) and a supporting surface of the supporting member (25) are in the same plane, a vertical plate (21) is arranged on the bottom wall of the housing (15) at the opposite side of the fixture block (20), and a hook (22) is arranged on one side of the vertical plate (21) facing the fixture block (20).

5. The PCB mounting case of claim 4, wherein the side wall of the housing (15) is provided with a second supporting block (24) at two sides of the hook (22), and the supporting surface of the second supporting block (24) and the supporting surface of the first supporting block (17) are in the same plane.

6. A sensor comprises a mounting shell and a PCB (23) fixed in the mounting shell, wherein the mounting shell comprises a shell (15), a supporting piece (25) and a clamping block (20) are arranged on the side wall of the shell (15), a clamping groove (26) is formed between the supporting piece (25) and the clamping block (20), the clamping groove (26) is provided with an opening facing to the opposite side wall, and one end of the PCB (23) is inserted into the clamping groove (26); the PCB clamping device is characterized in that a guide block (19) is arranged at one end, back to the side wall where the supporting piece (25) is located, of the supporting piece (25), the guide block (19) is provided with a guide surface, the guide surface is connected with a supporting surface of the supporting piece (25) in a smooth transition mode, and the guide block is used for guiding one end of a PCB (23) to be inserted into the clamping groove (26).

7. A transducer according to claim 6, wherein the guide surface is in the same plane as the support surface.

8. The sensor according to claim 7, wherein the groove sidewall of the locking groove (26) on the locking block (20) is an inclined sidewall, and the inclined sidewall gradually inclines toward the supporting member (25) from an end far away from the sidewall where the locking block (20) is located to an end close to the sidewall where the locking block (20) is located.

9. The sensor according to claim 6, 7 or 8, wherein two adjacent side walls of the side wall where the fixture block (20) is located are provided with first supporting blocks (17), a supporting surface of the first supporting block (17) and a supporting surface of the supporting member (25) are located on the same plane, a vertical plate (21) is arranged on the bottom wall of the housing (15) and on the opposite side of the fixture block (20), and a hook (22) is arranged on one side of the vertical plate (21) facing the fixture block (20).

10. Sensor according to claim 9, characterized in that the side walls of the housing (15) are provided with second support blocks (24) on both sides of the hook (22), the support surfaces of the second support blocks (24) and the first support blocks (17) being in the same plane.