CN213880527U

CN213880527U - Casing and door magnetic sensor

Info

Publication number: CN213880527U
Application number: CN202022821915.2U
Authority: CN
Inventors: 陈志生; 王重明; 张伟新; 林宝根
Original assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Current assignee: Zhangzhou Lidaxin Optoelectronic Technology Co ltd
Priority date: 2020-11-30
Filing date: 2020-11-30
Publication date: 2021-08-03
Anticipated expiration: 2030-11-30

Abstract

The utility model relates to the technical field of sensors, a casing and door magnetic sensor are provided, this casing includes epitheca and inferior valve, epitheca and inferior valve sliding assembly, the battery can be installed to the cavity that epitheca and inferior valve enclose, the inside wall of epitheca is equipped with first joint spare, the inferior valve is equipped with second joint spare and third joint spare respectively at the both ends of slip direction, first joint spare and second joint spare joint are so that epitheca and inferior valve are closed, first joint spare and third joint spare joint are so that epitheca and inferior valve are opened and can be changed the battery. The upper casing and the inferior valve sliding assembly of casing consequently need not to take off the casing from door or door frame when changing the battery, only need with the upper casing slide to relevant position expose the battery can, have easy operation, change efficient, lossless advantage. And, the sliding position of epitheca restricts with second joint spare, third joint spare joint respectively through first joint spare, has guaranteed the fastness of epitheca and inferior valve installation.

Description

Casing and door magnetic sensor

Technical Field

The application belongs to the technical field of sensors, and particularly relates to a shell and a door magnetic sensor.

Background

The door magnetic sensor comprises a main machine and an auxiliary machine, one of the main machine and the auxiliary machine is arranged on the door, the other one of the main machine and the auxiliary machine is arranged on the door frame, and when the main machine and the auxiliary machine are separated by a certain distance, the door magnetic sensor sends out a signal to alarm. At present, a wireless door sensor is generally adopted as the door sensor, namely, a battery is arranged in a main machine, a magnet is arranged in an auxiliary machine, and the battery is used as a power supply of the wireless door sensor. Need change after the electric quantity of battery is used up, at present, the battery is installed in the casing of host computer and is located the back of casing, the back laminating is fixed on door or door frame, therefore, when changing the battery, need dismantle the host computer, and the casing of host computer generally adopts screw or double faced adhesive tape fixed at present, can cause the loss to parts such as casing or double faced adhesive tape after dismantling many times like this, influence life, and the reinstallation of host computer needs steps such as relocating, test, after-sale service is difficult, make the change operation of battery complicated, change cost is high, take a lot of labour and time.

SUMMERY OF THE UTILITY MODEL

An object of the embodiment of this application is to provide a casing to solve among the prior art door magnetic sensor need follow door or door frame and take off the complicated, with high costs technical problem of operation of changing the battery.

In order to achieve the purpose, the technical scheme adopted by the application is as follows: the utility model provides a casing, including epitheca and inferior valve, the epitheca with inferior valve sliding assembly, the epitheca with the cell can be installed to the cavity that the inferior valve encloses, the inside wall of epitheca is equipped with first joint spare, the inferior valve is equipped with second joint spare and third joint spare respectively at the both ends of slip direction, first joint spare with second joint spare joint is so that the epitheca with the inferior valve is closed, first joint spare with third joint spare joint is so that the epitheca with the inferior valve is opened and can be changed the cell.

In one embodiment, the lower shell is provided with sliding grooves on two sides in the sliding direction, sliding strips are convexly arranged on the inner side wall of the upper shell, and the sliding strips slide into the sliding grooves through one ends of the sliding grooves so as to enable the upper shell and the lower shell to be assembled in a sliding mode.

In one embodiment, the first clamping member includes a clamping groove formed in the slide bar, the second clamping member and the third clamping member include protruding strips protruding from the side walls of the slide grooves, and when the protruding strips are clamped in the clamping groove, the upper shell and the lower shell are closed or opened.

In one embodiment, one end of each of the slide bars is provided with a first guide surface, and the two first guide surfaces are in a shape of a Chinese character 'ba'.

In one embodiment, the locking groove is an arc-shaped groove, and the convex strip is a semicircular convex strip.

In one embodiment, the number of the clamping grooves is two, and the number of the convex strips is two corresponding to the interval.

In one embodiment, be equipped with the elasticity buckle on the inferior valve, be equipped with the stopper on the epitheca, the epitheca with during the inferior valve relative slip, the stopper can support and press the elasticity buckle so that it takes place elastic deformation, treat the epitheca with the inferior valve is closed back, the elasticity buckle restore to the throne and with the stopper butt is in order to restrict the epitheca with the inferior valve slides.

In one embodiment, the elastic buckle is provided with a protruding part, and the protruding part is provided with second guide surfaces at two ends in the sliding direction.

In one embodiment, the outer surface of the upper shell is provided with a toggle piece.

Another object of this application is to provide a door magnetic sensor, including battery, circuit board and as above the casing, battery and circuit board all locate in the casing, be equipped with on the circuit board with magnet mutual induction's magnetic sensing element.

The application provides a pair of casing and door magnetic sensor's beneficial effect lies in: the upper casing and the inferior valve sliding assembly of casing consequently need not to take off the casing from door or door frame when changing the battery, only need with the upper casing slide to relevant position expose the battery can, have easy operation, change efficient, lossless advantage. And, the sliding position of epitheca restricts with second joint spare, third joint spare joint respectively through first joint spare, has guaranteed the fastness of epitheca and inferior valve installation.

Drawings

In order to more clearly illustrate the technical solutions in the embodiments of the present application, the drawings needed to be used in the embodiments or the prior art descriptions will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present application, and it is obvious for those skilled in the art to obtain other drawings based on these drawings without inventive exercise.

FIG. 1 is a schematic diagram of a closure of an upper shell and a lower shell in a housing provided by an embodiment of the present application;

FIG. 2 is a schematic diagram illustrating the opening of the upper and lower shells of the housing provided by an embodiment of the present application;

FIG. 3 is a schematic side view of an inner sidewall of an upper housing of a housing according to an embodiment of the present disclosure;

FIG. 4 is a schematic side view of a lower shell of a housing according to an embodiment of the present disclosure;

FIG. 5 is a schematic view of another side structure of an inner sidewall of an upper shell in a housing according to an embodiment of the present disclosure;

FIG. 6 is a schematic structural diagram of another side of a lower shell in a housing according to an embodiment of the present application;

fig. 7 is a schematic diagram illustrating an assembly position relationship between the elastic buckle and the limiting block after the upper shell and the lower shell are closed in the housing according to the embodiment of the present application;

fig. 8 is a schematic clamping view of the first clamping member and the second clamping member after the upper shell and the lower shell are closed in the shell according to the embodiment of the present application;

fig. 9 is a schematic cross-sectional structural diagram of a sensor provided in an embodiment of the present application.

Wherein, in the figures, the respective reference numerals:

1. an upper shell; 11. a slide bar; 12. a first clip member; 13. a first guide surface; 14. a limiting block; 15. a toggle piece; 2. a lower case; 21. a chute; 22. a second clip member; 23. a third clamping piece; 24. elastic buckle; 241. a projection; 242. a second guide surface; 3. a battery; 4. a circuit board.

Detailed Description

In order to make the technical problems, technical solutions and advantageous effects to be solved by the present application clearer, the present application is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.

It will be understood that when an element is referred to as being "secured to" or "disposed on" another element, it can be directly on the other element or be indirectly on the other element. When an element is referred to as being "connected to" another element, it can be directly connected to the other element or be indirectly connected to the other element.

It will be understood that the terms "length," "width," "upper," "lower," "front," "rear," "left," "right," "vertical," "horizontal," "top," "bottom," "inner," "outer," and the like, as used herein, refer to an orientation or positional relationship indicated in the drawings that is solely for the purpose of facilitating the description and simplifying the description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and thus should not be considered as limiting the present application.

Furthermore, the terms "first", "second" and "first" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defined as "first" or "second" may explicitly or implicitly include one or more of that feature. In the description of the present application, "a plurality" means two or more unless specifically limited otherwise.

Referring to fig. 1 and 2, a housing according to an embodiment of the present invention will be described. The shell comprises an upper shell 1 and a lower shell 2, wherein the lower shell 2 can be installed on a door or a door frame, and the lower shell 2 can be fixed on the door or the door frame in a double-sided adhesive tape bonding or screw fixing mode. The battery 3 and the circuit board 4 can be arranged in a cavity enclosed by the upper shell 1 and the lower shell 2, and the upper shell 1 and the lower shell 2 are assembled in a sliding way. As shown in fig. 1, the schematic closed view of the upper case 1 and the lower case 2, and as shown in fig. 2, the schematic slide-open view of the upper case 1 and the lower case 2, at this time, the battery 3 can be replaced, and the upper case 1 is further connected to the lower case 2, so that the lower case 2 does not need to be taken down from a door or a door frame, and when the case does not need to be taken down, the following after-sales service steps of re-installation, positioning, testing and the like are omitted, thereby saving time and cost.

As shown in fig. 3-6, in the present embodiment, the inner side wall of the upper shell 1 is provided with a first clamping member 12, the lower shell 2 is provided with a second clamping member 22 and a third clamping member 23 at two ends of the relative sliding direction of the upper shell 1 and the lower shell 2, respectively, and the first clamping member 12 and the second clamping member 22 are clamped to close the upper shell 1 and the lower shell 2, as shown in fig. 1; the first engaging member 12 engages with the third engaging member 23 so that the upper case 1 and the lower case 2 are opened and the battery 3 can be replaced, as shown in fig. 2. Wherein, the first clamping piece 12 is respectively clamped with the second clamping piece 22 and the third clamping piece 23, so that the upper shell 1 and the lower shell 2 can not be separated.

The casing that this application embodiment provided, wherein, epitheca 1 and inferior valve 2 sliding assembly, consequently when changing battery 3, need not to take off the casing from door or door frame, only need with epitheca 1 slide to the position of first joint spare 12 and the 23 joint of third joint spare to make battery 3 expose can, have easy operation, change efficient, to the advantage of the casing lossless. Moreover, the sliding position of the upper shell 1 is limited by the first clamping piece 12 respectively clamping with the second clamping piece 22 and the third clamping piece 23, and the installation firmness of the upper shell 1 and the lower shell 2 is ensured.

As shown in fig. 3-6, in the present embodiment, the lower case 2 is provided with sliding grooves 21 on both sides in the sliding direction, the inner side wall of the upper case 1 is provided with a sliding strip 11 in a protruding manner, and the sliding strip 11 slides into the sliding groove 21 through one end of the sliding groove 21 to enable the upper case 1 and the lower case 2 to be assembled in a sliding manner. Wherein, the cross-section of epitheca 1 perpendicular to slip direction is roughly the U type, and the inside wall edge on the both sides limit of epitheca 1 all is protruding to be equipped with draw runner 11, and back in draw runner 11 sliding assembly to inferior valve 2's spout 21, epitheca 1 and inferior valve 2 accomplish sliding assembly, and epitheca 1 and inferior valve 2 can't be opened along the direction of perpendicular to slip direction, guarantee the fastness of epitheca 1 and inferior valve 2 installation. Wherein, first joint spare 12 and the joint of second joint spare 22 and first joint spare 12 and the joint of third joint spare 23 are used for restricting the relative slip of epitheca 1 and inferior valve 2, guarantee the fastness that epitheca 1 and inferior valve 2 closed and opened.

In this embodiment, the one end of epitheca 1 and inferior valve 2 all is provided with the end panel, and after epitheca 1 and inferior valve 2 closure, two end panels are located the both ends of slip direction respectively, and the purpose that sets up like this makes the slip assembly and the slip of epitheca 1 and inferior valve 2 dismantle and only possess an operation direction, and the end panel has limiting displacement to the assembly, can effectively avoid assembling the condition of position.

As shown in fig. 3-6 and 8, in the present embodiment, the first engaging member 12 includes a slot disposed on the slide bar 11, the second engaging member 22 and the third engaging member 23 include a protruding strip protruding from a sidewall of the sliding slot 21, and when the protruding strip of the second engaging member 22 is engaged with the slot, the upper shell 1 and the lower shell 2 are in a closed state; when the convex strip joint of third joint spare 23 was in the draw-in groove, epitheca 1 and inferior valve 2 were in the open mode, can change battery 3 this moment. In other embodiments, the first engaging member 12 includes a protruding strip disposed on the slide bar 11, and the second engaging member 22 and the third engaging member 23 each include a slot recessed on a side wall of the sliding slot 21.

Preferably, one end of each slide 11 is provided with a first guide surface 13, two first guide surfaces 13 are in a shape of a figure of eight, and the first guide surfaces 13 are used for facilitating the insertion of the slide 11 from one end of the slot, thereby improving the sliding assembly efficiency of the upper shell 1 and the lower shell 2.

Preferably, the clamping groove is an arc-shaped groove, and the convex strip is a semicircular convex strip. The purpose that sets up like this makes things convenient for the sand grip card to go into in the draw-in groove and makes things convenient for the sand grip to follow the roll-off in the draw-in groove. In the present embodiment, the slide bar 11 has a certain damping effect when sliding in the sliding groove 21, and when the sliding direction is in the vertical state, the upper case 1 and the lower case 2 do not slide relatively under the gravity of themselves in the natural state, so that the tightness of the sliding assembly of the upper case 1 and the lower case 2 can be ensured.

Preferably, the draw-in groove interval is provided with two, and the sand grip corresponds the interval and is provided with two, and the increase in number of draw-in groove and sand grip can make the joint effect reinforcing of epitheca 1 and inferior valve 2 to guaranteed the fastness that epitheca 1 and inferior valve 2 connect, perhaps, the lateral wall interval of spout 21 is provided with one row of sand grip, can so that can be stable when epitheca 1 slides stop on inferior valve 2's optional position. Therefore, the number of the clamping grooves and the protruding strips can be properly increased or decreased according to actual needs, and the specific number requirements can be selected according to the safety level of the place where the door is located.

As shown in fig. 3, 4 and 7, in the present embodiment, the elastic catch 24 is provided on the lower case 2, the elastic catch 24 extends along the sliding direction, and the elastic deformation direction of the elastic catch 24 is perpendicular to the sliding direction. Be equipped with stopper 14 on the epitheca 1, during epitheca 1 and inferior valve 2 relative slip, stopper 14 can support and press elasticity buckle 24 so that it takes place elastic deformation, treats epitheca 1 and inferior valve 2 closed back, and elasticity buckle 24 resets and slides in order to restrict epitheca 1 and inferior valve 2 with stopper 14 butt. Improve the fastness of epitheca 1 and the equipment that inferior valve 2 slides during elastic buckle 24 and stopper 14's effect, therefore, epitheca 1 and inferior valve 2 when changing to open mode by closed state, need the staff to apply a great thrust to epitheca 1, so that stopper 14 supports and presses elastic buckle 24 and progressively make 24 elastic deformation of elastic buckle, when stopper 14 slides elastic buckle 24, elastic buckle 24 loses the effect of keeping out to stopper 14, epitheca 1 can be lighter slip this moment, so that first joint spare 12 of epitheca 1 slides to third joint spare 23 department and mutual joint of inferior valve 2, install battery 3 in the casing at this moment and expose completely, can change battery 3. In this embodiment, only one elastic buckle 24 is provided, in other embodiments, two elastic buckles 24 are provided and are respectively located at two sides of the lower shell 2, and two corresponding limiting blocks 14 are also provided.

Specifically, the elastic buckle 24 is provided with a protruding portion 241, two ends of the protruding portion 241 in the sliding direction are provided with second guiding surfaces 242, and the two second guiding surfaces 242 facilitate the stopper 14 to press against the protruding portion 241 to elastically deform the elastic buckle 24. Alternatively, in another mode, the stoppers 14 are provided with third guide surfaces at both ends in the sliding direction.

In the present embodiment, as shown in fig. 1, the outer surface of the upper shell 1 is provided with a toggle piece 15, and the toggle piece 15 is used for facilitating the worker to apply force to the upper shell 1 so as to slide the upper shell 1 relative to the lower shell 2. Wherein, stir the piece 15 and can stir groove, anti-skidding line or stir the lug for setting up on epitheca 1, specific form can be selected according to the outward appearance requirement of epitheca 1.

In this embodiment, plastic material injection moulding is all adopted to epitheca 1 and inferior valve 2, and the plastic material has certain deformability for epitheca 1 and inferior valve 2 can the damping sliding assembly, guarantee the fastness of epitheca 1 and inferior valve 2 equipment.

The embodiment of the application provides a door magnetic sensor, which comprises a shell, a battery 3 and a circuit board 4. Wherein, battery 3 and circuit board 4 all locate the casing, and battery 3 and circuit board 4 electricity are connected, are equipped with the magnetic sensing element with magnet mutual induction on circuit board 4, and the magnetic sensing element is preferred tongue tube. The door magnetic sensor of this embodiment only needs to slide epitheca 1 so that battery 3 exposes and can change when needing to change battery 3, has easy operation, swift, advantage with low costs, need not after-sales service and can not lead to the fact the loss to door magnetic sensor, has reduced the fault rate and has guaranteed life.

Preferably, in this embodiment, the lower case 2 includes an outer case and an inner case, the outer case and the inner case are tightly snap-fitted, and the slide groove 21 is provided on the inner case. The mounting of the circuit board 4 is facilitated by separately housing the lower case 2 in an inner case and an outer case.

The above description is only exemplary of the present application and should not be taken as limiting the present application, as any modification, equivalent replacement, or improvement made within the spirit and principle of the present application should be included in the protection scope of the present application.

Claims

1. The utility model provides a casing, a serial communication port, including epitheca and inferior valve, the epitheca with inferior valve sliding assembly, the epitheca with the battery can be installed to the cavity that the inferior valve encloses, the inside wall of epitheca is equipped with first joint spare, the inferior valve is equipped with second joint spare and third joint spare respectively at the both ends of slip direction, first joint spare with second joint spare joint is so that the epitheca with the inferior valve is closed, first joint spare with third joint spare joint is so that the epitheca with the inferior valve is opened and can be changed the battery.

2. The casing of claim 1, wherein the lower casing is provided with sliding grooves at both sides in a sliding direction, and a sliding strip is protruded from an inner side wall of the upper casing, and the sliding strip slides into the sliding grooves through one end of the sliding grooves to slidably assemble the upper casing and the lower casing.

3. The housing of claim 2, wherein the first engaging member includes a slot formed on the slide bar, and the second engaging member and the third engaging member each include a protruding strip protruding from a sidewall of the slide slot, and when the protruding strips engage with the slot, the upper housing and the lower housing are closed or opened.

4. The housing of claim 2 wherein each of said slide bars has a first guide surface at one end, both of said first guide surfaces being outwardly splayed.

5. The housing of claim 3, wherein the engaging groove is an arc-shaped groove and the protruding strip is a semicircular protruding strip.

6. The housing of claim 3, wherein at least two of the slots are spaced apart, and at least two of the ribs are spaced apart.

7. The shell according to any one of claims 1 to 6, wherein an elastic buckle is arranged on the lower shell, a limiting block is arranged on the upper shell, when the upper shell and the lower shell slide relatively, the limiting block can press the elastic buckle to enable the elastic buckle to generate elastic deformation, and after the upper shell and the lower shell are closed, the elastic buckle resets and abuts against the limiting block to limit the sliding of the upper shell and the lower shell.

8. The housing according to claim 7, wherein the elastic catch is provided with a projection having a second guide surface at both ends in the sliding direction.

9. The housing of claim 7, wherein the outer surface of the upper shell is provided with a toggle member.

10. A door magnetic sensor, comprising a battery, a circuit board and a housing as claimed in any one of claims 1 to 9, wherein the battery and the circuit board are both disposed in the housing, and a magnetic sensor element for interacting with a magnet is disposed on the circuit board.