A battery locking structure for a portable medical device

Abstract

The utility model discloses a battery locking structure for portable medical equipment is equipped with the battery compartment of battery insertion on the casing of portable medical equipment, and its characterized in that, the inside end of battery is equipped with at least one bayonet, the locking piece of being located battery compartment front side is slidably arranged in the casing, the side protruding of locking piece is equipped with at least one and the buckle of one -to -one corresponding buckle of bayonet, the side of casing is slidably arranged and is opened lock key, the inside end of opening lock key is connected with the one end of locking piece, and the other end of locking piece is equipped with tension spring between casing, and opening lock key is used to drive locking piece and slide away from the one end of tension spring, to make buckle and bayonet be in the unlocking state. The utility model's structure can also conveniently unlock and take out battery while ensuring firm and reliable battery assembly.

Description

Technical Field

[0001] This utility model belongs to the field of medical device technology, specifically relating to a battery locking structure for portable medical devices. Background Technology

[0002] Portable medical devices (digital electroencephalograms) are important neurological examination tools that provide doctors with a wealth of diagnostic information by recording the brain's electrical activity. These products are highly portable and flexible, making them suitable for use in various scenarios. Not only are they small and lightweight, but they can also operate without a power source (no external power supply is required, allowing examinations in power-free environments). To overcome this limitation, the battery is usually removable. However, due to the need for easy battery installation and removal, as well as limitations in the overall structure, problems commonly arise such as insufficient battery mounting security (prone to jamming or detachment) and poor contact at the contacts (when subjected to external forces). Furthermore, waterproofing is difficult, thus affecting the product's stability and water resistance.

[0003] To address the above issues, achieving ease of use, secure fit, and stable contact in removable batteries is a pressing problem for the industry. Currently, most medical products suffer from insufficient secure installation and poor contact in removable batteries. Solutions include using a front-mounted elastic clip or a side-clamping mechanism. While the elastic clip offers some ease of removal, it is prone to jamming or detachment. Although the side-clamping mechanism improves security and contact stability, it still has drawbacks. It typically requires the use of an electromagnet, which increases manufacturing costs and requires significant design space. Furthermore, returning the battery to the battery compartment is inconvenient, significantly impacting the customer experience. Utility Model Content

[0004] The purpose of this invention is to overcome the shortcomings of existing technology and provide a battery locking structure for portable medical devices, which ensures the secure and reliable assembly of the battery while also facilitating the unlocking and removal of the battery.

[0005] To address the aforementioned technical problems, this utility model provides a battery locking structure for a portable medical device. The portable medical device has a battery compartment on its housing for inserting a battery. The inner end of the battery has at least one latch. A locking member located in front of the battery compartment is slidably disposed within the housing. One side of the locking member has at least one buckle that corresponds to and engages with the latch. An unlocking button is slidably disposed on one side of the housing. The inner end of the unlocking button is connected to one end of the locking member. A tension spring is provided between the other end of the locking member and the housing. The unlocking button is used to drive the locking member to slide away from the tension spring, thereby unlocking the latch and the latch.

[0006] Furthermore, the end of the buckle is provided with a fastening part that inserts into and engages with the bayonet. The side of the fastening part facing the tension spring is a guide slope that cooperates with the bayonet, and at least a portion of the guide slope coincides with the projection of the bayonet on the vertical plane.

[0007] Furthermore, the housing has a sliding groove inside, and the locking member is rotatably provided with at least one bearing located in the sliding groove.

[0008] Furthermore, the bearing is fixed to the bottom of the locking member by a fastener.

[0009] Furthermore, the locking element is rotatably provided with two bearings.

[0010] Furthermore, the sliding groove has a central protrusion with a threaded post and a bolt that matches the threaded post, the locking member has a long hole in the middle for the bolt to pass through, and two bearings are respectively located on both sides of the threaded post.

[0011] Furthermore, the unlocking key is located on one side of the locking member, and a fixing part is provided on the end of the locking member away from the tension spring. The fixing part is provided with an insertion interface, and a fixing post protrudes from the inner end of the unlocking key and is inserted into the insertion interface.

[0012] Furthermore, the opening of the battery compartment is provided with a waterproof seal that surrounds the outer periphery of the battery.

[0013] Furthermore, the battery includes a casing and a battery cell and a circuit board disposed within the casing. The circuit board is electrically connected to the battery cell. The inner end of the casing is provided with the bayonet. The circuit board is provided with at least two conductive sheets exposed on the inner end of the casing. The casing is also provided with a main board. The main board is provided with a connector located in front of the conductive sheets. The connector is provided with at least two spring contacts that abut against the conductive sheets one by one. When the battery is fastened with the locking member, the spring contacts are in an elastic deformation state.

[0014] Furthermore, both sides of the outer shell are sloped, and the outer end of the outer shell is an arc shape that matches the shape of the shell.

[0015] This utility model has the following beneficial effects: In this invention, the battery inserted in the battery compartment is first locked by engaging the latch on the locking component with the latch on the battery. A tension spring applies tension to the locking component, which ensures a secure and reliable locking state, preventing easy detachment. After the locking component slides to unlock, it returns to the locked position. The unlocking button then drives the locking component to slide, disengaging the latch on the locking component from the latch, thus unlocking and removing the battery. This unlocking method is simple and convenient to operate.

[0016] Secondly, the bearings on the locking components cooperate with the sliding grooves on the housing, resulting in low friction and ensuring smooth linear movement of the locking components.

[0017] In addition, the added waterproof seals effectively improve the waterproof performance of the battery compartment; and the springs on the connector, with their elasticity, can apply an outward pushing force to the battery after it is unlocked, so that the outer end of the battery protrudes out of the battery compartment, making it easy to pull the battery out by hand, which is simple and convenient.

[0018] Additional aspects and advantages of this invention will be set forth in part in the description which follows, and will become apparent from the description or may be learned by practice of the invention. Attached Figure Description

[0019] The accompanying drawings, which are included to provide a further understanding of the present invention and form part of this application, do not constitute an undue limitation of the present invention. In the drawings: Figure 1 This is a schematic diagram of a portable medical device in the embodiment; Figure 2 This is a schematic diagram showing another perspective of the portable medical device in the embodiment; Figure 3 This is a front sectional view of the portable medical device in the embodiment; Figure 4 This is a side sectional view of the portable medical device located at the fixing component in the embodiment; Figure 5 This is a schematic diagram of the portable medical device after removing the top shell and motherboard in the embodiment. Figure 6 This is a schematic diagram of the lower shell in the embodiment; Figure 7 This is a schematic diagram of the locking element in the embodiment; Figure 8 This is a schematic diagram of the locking component from another perspective in the embodiment; Figure 9 This is a schematic diagram of the battery in the embodiment; Figure 10 This is a cross-sectional view of the battery in the embodiment; Figure 11 This is a schematic diagram of the motherboard in the embodiment. Detailed Implementation

[0020] To better understand the technical content of this utility model, the following will further introduce and explain this utility model in conjunction with the accompanying drawings and specific embodiments. It should be noted that if there are descriptions such as "first" and "second" in the text, they are used to distinguish different components, etc., and do not represent the order of priority, nor do they limit "first" and "second" to be different types.

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present utility model.

[0022] Example like Figures 1 to 11 As shown in this embodiment, the battery locking structure for a portable medical device (such as a digital electroencephalogram machine) has a battery compartment 10 on one side of the housing 1 for inserting and accommodating a battery 2. The opening of the battery compartment 10 is located on the side of the housing 1. Two latches 20 are located on the inner end of the battery 2. A locking member 3 is slidably disposed inside the housing 1, located in front of the inner end of the battery compartment 10. Two latches 31 protrude from one side of the locking member 3 and engage with the latches 20 one-to-one. An unlocking button 4 is slidably disposed on one side of the housing 1, located on the side of the locking member 3. The unlocking button 4 is located away from the opening of the battery compartment, and its inner end is connected to the locking member 3. One end of the locking element 3 is connected to the housing 1, and the other end of the locking element 3 is provided with a tension spring 5 between it and the housing 1. Initially, the tension of the tension spring 5 is used to make the buckle 31 on the locking element 3 locked and engaged with the slot 20. When unlocking is required, the unlocking key 4 is pushed by hand to slide along the housing 1, and then the unlocking key 4 is used to drive the locking element 3 to slide away from the tension spring 5, so that the buckle slides synchronously and disengages from the slot, thereby unlocking the buckle and the slot, achieving the purpose of unlocking the battery. At this time, the tension spring is stretched synchronously and is in a stretched state. When the unlocking key 4 loses the push applied by hand, the locking element 3 and the unlocking key 4 will return to their original positions under the tension of the tension spring 5.

[0023] In this embodiment, as Figures 7 to 10 As shown, the end of the buckle 31 is provided with a vertically inserted slot 20 and a fastening part 32 that engages with the slot 20, so that the buckle 31 forms a right angle. The side of the fastening part 32 facing the tension spring 5 is a guide slope 33 that cooperates with the slot 20. When the battery is pushed inward, the inner end of the battery slot first contacts the guide slope 33. Then, under the action of the battery's pushing force, the locking member 3 and the buckle 31 slide away from the end away from the tension spring 5 until the battery is pushed into place. The guide slope disengages from the battery slot, and the locking member 3 returns to its original position under the action of the tension spring, so that the fastening part 32 on the buckle 31 engages with the slot 20.

[0024] It is understandable that at least part of the guide slope 33 coincides with the projection of the bayonet 20 on the vertical plane, or a chamfered slope that cooperates with the guide slope is provided at the bayonet. That is, during the process of inserting the battery inward, the front end of the buckle 31 will first insert into the bayonet 20, so that the guide slope 33 contacts one side of the bayonet. Then, by utilizing the result of the guide slope, the locking member slides away from the end away from the tension spring when the battery is pushed inward.

[0025] Understandably, the width of the latch is greater than the maximum width of the buckle to ensure that the engaging part at the front of the buckle can be inserted into or removed from the latch.

[0026] In one embodiment, such as Figures 4 to 8 As shown, the housing 1 has a sliding groove 11 inside, and the locking member 3 has two bearings 34 rotatably located in the sliding groove 11. By utilizing the self-rotation characteristics of the bearings, rolling friction is formed between the locking member and the sliding groove when the locking member slides. The friction is small, which can ensure that the locking member can make smooth linear movement after being subjected to force.

[0027] Specifically, such as Figures 4 to 8 As shown, the bearing 34 is fixed to the bottom of the locking member 3 by a fastener 35; the fastener is preferably a screw or a rivet.

[0028] Understandably, the preferred bearing is a miniature bearing, which is an existing mature product made of bearing steel. It has high load capacity, good noise reduction, and long service life.

[0029] In one embodiment, such as Figures 4 to 8 As shown, the sliding groove 11 has a threaded post 12 and a bolt 13 that matches the threaded post 12 protruding in the middle. Two bearings 34 are respectively located on both sides of the threaded post 12. The locking member 3 has an elongated hole 36 in the middle for the bolt 13 to pass through, so that the bolt 13 can limit the locking member 3, so that the locking member 3 does not jump up and down when moving linearly. It can limit the movement without affecting the smoothness of the movement, and prevent the locking member from leaving the sliding groove. There is a gap between the nut of the bolt and the top surface of the locking member, which facilitates the sliding of the locking member. The length of the elongated hole 36 is greater than the outer diameter of the bolt, so that the locking member 3 can slide within the range of the elongated hole. Preferably, the length of the elongated hole is the same as the sliding stroke of the unlocking key.

[0030] Specifically, such as Figures 4 to 8 As shown, a washer 131 is provided between the nut of bolt 13 and the locking member, and a gap is formed between the washer and the top surface of the locking member.

[0031] In one embodiment, such as Figures 3 to 8As shown, the locking member 3 has a fixed part 37 protruding at the end away from the tension spring 5. The fixed part 37 has an insertion interface 38. The inner end of the unlocking key 4 has a fixed post 41 that is inserted into the insertion interface 38. That is, the fixed post 41 and the fixed part 37 are inserted perpendicularly to each other.

[0032] In one embodiment, such as Figure 3 As shown, a waterproof seal 6 is provided at the opening end of the battery compartment 10, surrounding the outer periphery of the battery 2. The inner periphery of the waterproof seal 6 is in close contact with the battery, effectively improving the waterproof performance of the battery compartment.

[0033] In one embodiment, such as Figures 4 to 11 As shown, the battery 2 includes a housing 21 and a battery cell 22 and a circuit board 23 disposed within the housing 21. The circuit board 23 is electrically connected to the battery cell 22. The inner end of the housing 21 is provided with two latches 20, and the circuit board 23 is located between the two latches 20. The circuit board 23 is provided with at least two conductive plates 24 exposed on the inner end of the housing 21, and at least two of the conductive plates are used as positive and negative electrodes respectively. The housing 1 is also provided with a main board 7, and the main board 7 is provided with a connector 71 located in front of the conductive plates 24. The connector 71 is provided with at least two springs 72 that abut against the conductive plates 24 one by one, thereby realizing the electrical connection between the battery and a portable medical device (such as a digital electroencephalogram machine). When the battery 2 is fastened with the locking member 3, the springs 72 are in an elastic deformation state under the pressure of the battery. By utilizing the elasticity of the springs, an outward pushing force can be applied to the battery after it is unlocked, so that the outer end of the battery protrudes out of the battery compartment, making it easy to pull the battery out by hand. The operation is simple and convenient.

[0034] In one embodiment, both sides of the outer casing 21 are sloping structures with a larger top and a smaller bottom. The shape of the battery compartment is adapted to the shape of the outer casing 21, which can prevent mistake when the battery is inserted into the battery compartment. The outer end of the outer casing 21 is an arc shape that matches the shape of the casing 1.

[0035] In other embodiments, such as Figure 3 As shown, the housing includes an upper shell 100 and a lower shell 101 that are assembled and fixed together by screws. The inner side of the lower shell has a battery compartment and a sliding groove. The unlocking button is slidably disposed between the upper shell and the lower shell. The main board is located in the cavity formed between the upper shell and the lower shell.

[0036] In other embodiments, the waterproof seal is preferably a waterproof sponge, which is fixed inside the battery compartment by adhesive.

[0037] In other embodiments, the fastener is a machined part made of 304 stainless steel, which has sufficient structural strength to avoid unnecessary scratches.

[0038] In other embodiments, the tension spring 5 is made of stainless steel 304, with specific specifications: wire diameter 0.5mm, outer diameter 5mm, length 20mm, stable strength, and moderate tension, which meets performance requirements while ensuring that the unlocking button 4 can be easily pushed.

[0039] In other embodiments, the unlocking button is made of ABS+PC AC310, injection molded, and is I-shaped. It is positioned on the side of the housing by a slot, resulting in a simple, stable, reliable, and aesthetically pleasing structure.

[0040] In other embodiments, the shell is made of ABS+PC AC310, injection molded, which not only has good overall performance and high impact strength, but also good flexibility, indoor UV stability and resistance to high temperature heat deformation.

[0041] The technical solutions provided by the embodiments of this utility model have been described in detail above. Specific examples have been used to illustrate the principles and implementation methods of the embodiments of this utility model. The description of the above embodiments is only for helping to understand the principles of the embodiments of this utility model. At the same time, for those skilled in the art, there will be changes in the specific implementation methods and application scope based on the embodiments of this utility model. Therefore, the content of this specification should not be construed as a limitation of this utility model.

Claims

1. A battery locking structure for a portable medical device, wherein the housing of the portable medical device is provided with a battery compartment for battery insertion, characterized in that, The battery has at least one latch on its inner end. A locking member located at the front of the battery compartment is slidably disposed inside the housing. At least one buckle protrudes from one side of the locking member and engages with the latch one by one. An unlocking button is slidably disposed on one side of the housing. The inner end of the unlocking button is connected to one end of the locking member. A tension spring is disposed between the other end of the locking member and the housing. The unlocking button is used to drive the locking member to slide away from the tension spring so that the buckle and latch are in the unlocked state.

2. The battery locking structure for portable medical devices as described in claim 1, characterized in that, The end of the buckle is provided with a fastening part that inserts into the bayonet and engages with the bayonet, and the side of the fastening part facing the tension spring is a guide slope that cooperates with the bayonet.

3. The battery locking structure for portable medical devices as described in claim 2, characterized in that, The housing has a sliding groove inside, and the locking member is rotatably provided with at least one bearing located in the sliding groove.

4. The battery locking structure for portable medical devices as described in claim 3, characterized in that, The bearing is fixed to the bottom of the locking member by a fastener.

5. The battery locking structure for portable medical devices as described in claim 4, characterized in that, The locking component is equipped with two bearings that rotate.

6. The battery locking structure for portable medical devices as described in claim 5, characterized in that, The sliding groove has a threaded post and a bolt that matches the threaded post in the middle. The locking member has an elongated hole in the middle for the bolt to pass through. Two bearings are located on both sides of the threaded post.

7. The battery locking structure for portable medical devices as described in claim 6, characterized in that, The unlocking key is located on one side of the locking member. The locking member has a fixed part protruding at the end away from the tension spring. The fixed part has an insertion interface. The inner end of the unlocking key has a fixed post protruding and inserting into the insertion interface.

8. The battery locking structure for a portable medical device as described in any one of claims 1-7, characterized in that, The battery compartment has a waterproof seal at its opening, which surrounds the outer periphery of the battery.

9. The battery locking structure for portable medical devices as described in claim 8, characterized in that, The battery includes a casing and a battery cell and a circuit board disposed inside the casing. The circuit board is electrically connected to the battery cell. The inner end of the casing is provided with the bayonet. The circuit board is provided with at least two conductive plates exposed on the inner end of the casing. The casing is also provided with a main board. The main board is provided with a connector located in front of the conductive plates. The connector is provided with at least two spring contacts that abut against the conductive plates one by one.

10. The battery locking structure for a portable medical device as described in claim 9, characterized in that, Both sides of the outer shell are sloping, and the outer end of the outer shell is an arc shape that matches the shape of the shell.

Images