CN220622349U

CN220622349U - Locking device and oxygenerator with same

Info

Publication number: CN220622349U
Application number: CN202322180604.6U
Authority: CN
Inventors: 章建华; 朱宏林; 王银灿
Original assignee: Hangzhou Kelanbo Technology Co ltd
Current assignee: Hangzhou Kelanbo Technology Co ltd
Priority date: 2023-08-14
Filing date: 2023-08-14
Publication date: 2024-03-19
Anticipated expiration: 2033-08-14

Abstract

The utility model discloses a locking device and an oxygenerator with the same, the locking device comprises a locking disc and a push rod assembly, the locking disc is internally provided with a locking sleeve with a clamping groove in a matching way, the push rod assembly comprises an outer guide sleeve, a movable sleeve, an inner guide sleeve and a push rod stopping, the movable sleeve is positioned between the inner guide sleeve and the outer guide sleeve, a baffle ring is arranged on the outer side of the movable sleeve, the inner guide sleeve is positioned in the movable sleeve, a limiting piece is arranged on the inner guide sleeve, a first spring is arranged between the inner guide sleeve and the baffle ring, the push rod stopping movably penetrates through the inner guide sleeve, the push rod stopping is provided with a limiting groove, a second spring is arranged between the push rod stopping and the outer guide sleeve, when the inner guide sleeve is inserted into the locking sleeve, the movable sleeve is downwards extruded by the locking sleeve to enable the limiting piece to be buckled with the clamping groove after the limiting piece is separated from the clamping groove so as to realize the locking of the push rod assembly and the locking disc, and when the push rod stopping is upwards pressed, the limiting piece is re-clamped into the limiting groove so as to realize the loosening of the push rod assembly and the locking disc, a battery of the oxygenerator is connected with the locking device, so as to realize the quick locking installation or the loosening of the battery.

Description

Locking device and oxygenerator with same

Technical Field

The utility model belongs to the technical field of oxygenerators, and particularly relates to a locking device and an oxygenerator with the locking device.

Background

The oxygenerator is a device for preparing oxygen, adopts the adsorption performance of a molecular sieve, uses a compressor as power through a physical principle, separates nitrogen from oxygen in air, and finally obtains high-concentration oxygen. The outdoor oxygenerator generally further comprises a battery for supplying power, the battery and the oxygenerator are in a separated state when the oxygenerator is not used or transported, the battery and the oxygenerator are connected when the oxygenerator is needed to be used, the conventional battery and the oxygenerator are generally connected by adopting a fastening piece or internal and external threads, the connection mode cannot meet the requirement of quick connection, the disassembly is inconvenient, and the connection mode is not preferable especially when the oxygenerator is needed to be used in some emergency situations.

Disclosure of Invention

The utility model aims to solve the problems in the background technology and provides a locking device and an oxygenerator with the locking device.

To achieve the above object, the present utility model provides a locking device, comprising:

locking plate: the locking disc is provided with a stepped hole, a locking sleeve is arranged in the stepped hole in a matched manner, and a clamping groove is formed in the locking sleeve;

a push rod assembly: the locking sleeve is arranged at the outer side of the first end of the push rod, a limiting groove is formed in the outer side of the first end of the push rod in a penetrating mode, a second spring is arranged between the outer side of the push rod and the outer guide sleeve, when the locking sleeve is inserted in the first end of the inner guide sleeve in a matching mode, the limiting piece is separated from the limiting groove and is buckled with the clamping groove in a buckling mode, so that the push rod assembly and the locking disc are locked.

Preferably, a supporting seat is arranged at one end, close to the second spring, of the outer guide sleeve, a through hole is formed in the supporting seat in a penetrating mode, the second end of the inner guide sleeve is in threaded connection with the supporting seat, the second end of the push stopping rod penetrates through the through hole, and the second spring is located in the through hole.

Preferably, the second end of the thrust rod is connected with a pressing block by a stud.

Preferably, the limiting part is steel balls, and the number of the steel balls is a plurality of and uniformly distributed on the side wall of the first end of the inner guide sleeve.

Preferably, the limit groove and the clamping groove are annular grooves.

Preferably, the longitudinal section of the limiting groove is isosceles trapezoid.

Preferably, the longitudinal section of the clamping groove is in a right trapezoid shape.

Preferably, the movable sleeve is made of copper.

Preferably, a second supporting ring is arranged on the outer side of the thrust rod, two ends of the second spring respectively support against the inner guide sleeve and the second supporting ring, the second spring is sleeved on the outer side of the thrust rod, a first supporting ring is arranged on the outer side of the inner guide sleeve, and two ends of the first spring respectively support against the first supporting ring and the baffle ring.

The utility model also provides an oxygenerator, which comprises a battery and the locking device, wherein the battery is connected with the locking device.

The utility model has the beneficial effects that: according to the locking device, the locking piece is controlled to be clamped with the limiting groove on the outer side of the locking rod or the clamping groove of the locking sleeve by pushing the locking rod or pressing the movable sleeve, so that the quick locking, fixing and loosening of the push rod assembly and the locking disc are realized, and the locking device is connected with a battery of the oxygen generator when being applied to the oxygen generator, so that the quick locking, mounting and loosening of the battery are realized.

The features and advantages of the present utility model will be described in detail by way of example with reference to the accompanying drawings.

Drawings

Fig. 1 is a schematic structural view of an embodiment of the present utility model.

Fig. 2 is a schematic view showing a mounting structure of a locking disc and a locking sleeve according to an embodiment of the present utility model.

Fig. 3 is a front cross-sectional view of a lock disk and lock sleeve mounting structure according to an embodiment of the present utility model.

Fig. 4 is a schematic structural view of a push rod assembly according to an embodiment of the present utility model.

Fig. 5 is a front view of a putter assembly according to an embodiment of the present utility model.

Fig. 6 is a front cross-sectional view of a putter assembly according to an embodiment of the utility model.

FIG. 7 is a partial schematic view of a putter assembly according to an embodiment of the utility model.

Fig. 8 is a partial front cross-sectional view of a putter assembly according to an embodiment of the utility model.

Fig. 9 is a schematic view of a thrust rod according to an embodiment of the present utility model.

Fig. 10 is a schematic view of a locking sleeve according to an embodiment of the present utility model.

Fig. 11 is a front cross-sectional view of a locking sleeve according to an embodiment of the present utility model.

Fig. 12 is a schematic view showing a locked state of the battery and the locking device according to the embodiment of the present utility model.

Fig. 13 is a schematic view showing a released state of the battery and the locking device according to the embodiment of the present utility model.

Fig. 14 is a front view of a battery, locking device mounting structure according to an embodiment of the present utility model.

FIG. 15 is a cross-sectional view taken along the A-A plane in FIG. 14, in accordance with an embodiment of the present utility model.

In the figure: 1-locking disc, 2-locking sleeve, 3-push rod assembly, 4-battery pack shell, 5-lower annular sleeve end cover, 21-clamping groove, 22-fastening groove, 31-inner guide sleeve, 32-limiting piece, 33-movable sleeve, 34-outer guide sleeve, 35-push rod, 36-pressing block, 37-first spring, 38-second spring, 51-guide rail assembly, 340-ladder channel, 341-supporting seat, 342-through hole and 351-limiting groove.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present application more clear, the technical solutions of the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. It will be apparent that the embodiments described are some, but not all, of the embodiments of the present application. The components of the embodiments of the present application, which are generally described and illustrated in the figures herein, may be arranged and designed in a wide variety of different configurations. In the description of the present application, it should be noted that, the azimuth or positional relationship indicated by the terms "inner", "outer", etc. are based on the azimuth or positional relationship shown in the drawings, or the azimuth or positional relationship that is commonly put when the product of the application is used, are merely for convenience of describing the present application and simplifying the description, and do not indicate or imply that the device or element to be referred to must have a specific azimuth, be configured and operated in a specific azimuth, and therefore should not be construed as limiting the present application. Furthermore, the terms "first," "second," and the like, are used merely to distinguish between descriptions and should not be construed as indicating or implying relative importance.

In the description of the present application, it should also be noted that, unless explicitly specified and limited otherwise, the terms "disposed," "connected," and "connected" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the terms in this application will be understood by those of ordinary skill in the art in a specific context.

The present utility model will be described in detail with reference to the accompanying drawings.

Referring to fig. 1 to 11, the present embodiment provides a locking device, including:

the locking disc 1 is provided with a stepped hole, a locking sleeve 2 is installed in the stepped hole in a matched mode, and a clamping groove 21 is formed in the locking sleeve 2;

the push rod assembly 3 comprises an outer guide sleeve 34, a movable sleeve 33, an inner guide sleeve 31 and a push rod stopping 35, wherein a stepped channel 340 is penetrated inside the outer guide sleeve 34, the movable sleeve 33 is sleeved outside the inner guide sleeve 31 and is movably installed in the stepped channel 340 of the outer guide sleeve 34 along the axial direction, a stop ring for propping against the step of the stepped channel 340 is arranged outside the first end of the movable sleeve 33, the inner guide sleeve 31 is installed in the movable sleeve 33, a limiting piece 32 matched with a clamping groove 21 of the locking sleeve 2 is installed on the side wall of the first end of the inner guide sleeve 31 in a matched manner, a first spring 37 is installed between the outer side of the inner guide sleeve 31 and the stop ring, the push rod 35 is movably penetrated in the inner guide sleeve 31, a limiting groove 351 is arranged outside the first end of the push rod stopping 35, a second spring 38 is installed between the outer side of the push rod stopping 35 and the outer guide sleeve 34, when the first end of the inner guide sleeve 31 is matched with the locking sleeve 2, the movable sleeve 33 is pressed downwards to enable the limiting piece 32 to be separated from the limiting groove 351 and be buckled with the clamping groove 21 so as to realize locking of the push rod assembly 3 and the locking disc 1, and when the push rod 35 is pressed upwards, the limiting piece 32 is clamped in the limiting groove 351 and the inner disc assembly 1 is loosened.

Further, referring to fig. 10, a fastening groove 22 is provided at the outside of the locking sleeve 2, the locking sleeve 2 is fitted in the stepped hole of the key pad 1 and fastened by a fastening ring, and the fastening ring is fitted in the fastening groove 22.

In one implementation of this embodiment, referring to fig. 6, a supporting seat 341 is installed at one end of the outer guide sleeve 34 near the second spring 38, a through hole 342 is penetrated inside the supporting seat 341, a second end of the inner guide sleeve 31 is in threaded connection with the supporting seat 341, a second end of the thrust rod 35 passes through the through hole 342, and the second spring 38 is located in the through hole 342.

In one implementation of this embodiment, referring to fig. 5, a pressing block 36 is connected to the second end of the thrust rod 35 by a stud.

Referring to fig. 6, in one implementation manner of this embodiment, a first end side wall of the inner guide sleeve 31 is provided with a limiting hole for installing a limiting member 32, the limiting member 32 is steel balls, a number of steel balls are uniformly distributed on the first end side wall of the inner guide sleeve 31, and the number of steel balls includes but is not limited to 2, 3 or 4.

In an embodiment of the present embodiment, referring to fig. 6 and 11, the limiting groove 351 and the clamping groove 21 are annular grooves, so that the limiting piece 32 can still be buckled with the limiting groove 351 or the clamping groove 21 when the locking rod 35 or the locking sleeve 2 rotates.

Referring to fig. 6, the longitudinal section of the limiting groove 351 is in an isosceles trapezoid shape with one end open, so that the limiting member 32 can slide in or out quickly.

Referring to fig. 11, in an embodiment of the present utility model, the longitudinal section of the clamping groove 21 is in a right trapezoid shape, so that one end of the clamping groove 21 with an acute angle facilitates the quick sliding in or out of the limiting member 32, and one end of the clamping groove 21 with a right angle is used for supporting the limiting member 32 to prevent the limiting member 32 from falling off.

In one implementation of this embodiment, the movable sleeve 33 is made of copper.

Referring to fig. 6 and 8, a second supporting ring is disposed on the outer side of the thrust rod 35, two ends of the second spring 38 respectively support against the inner guide sleeve and the second supporting ring, the second spring 38 is sleeved on the outer side of the thrust rod 35, a first supporting ring is disposed on the outer side of the inner guide sleeve 31, two ends of the first spring 37 respectively support against the first supporting ring and the baffle ring, the diameter of the first supporting ring is larger than that of one end of the supporting seat 341 with internal threads, the through hole on the supporting seat 341 is a step hole, and the second supporting ring supports against the step of the through hole on the supporting seat 341.

Referring to fig. 12 to 15, this embodiment further provides an oxygen generator, including a battery, the above locking device, the battery includes a battery pack housing 4, a battery upper cover and a battery chassis connected with the battery pack housing 4, the battery is installed in the battery pack housing 4, the battery upper cover and the battery chassis are provided with mounting holes for mounting the push rod assembly 3, the locking disc 1 is installed above the battery upper cover, a lower ring cover end cover 5 is installed above the locking disc, and a plurality of guide rail assemblies 51 for connecting other components of the oxygen generator are installed on the lower ring cover end cover 5.

Referring to fig. 12 to 15, the working process of the present utility model:

in the working process of the locking device, the locking sleeve 2 is arranged on the locking disc 1, and in an initial state, the upper end of the movable sleeve 33 props against the steel balls to enable the steel balls to be positioned in the limit groove 351 of the thrust rod 35, the first spring 37 is in an extension state, and the second spring 38 is in a compression state; when the push rod assembly 3 and the locking sleeve 2 are required to be locked, the first end of the inner guide sleeve 31 penetrates through the bottom surface of the locking disc 1 and then is inserted into the locking sleeve 2, in the inserting process, when the movable sleeve 33 contacts the bottom end of the locking sleeve 2 and then is continuously inserted into the locking sleeve 2 upwards, the locking sleeve 2 presses the movable sleeve 33 downwards, the movable sleeve 33 does not block the steel balls after moving downwards, the stop rod 35 moves downwards under the elastic action of the second spring 38, so that the steel balls are separated from the limit groove 351 and are buckled with the clamping groove 21, the locking among the push rod assembly 3, the locking sleeve 2 and the locking disc 1 is realized, the first spring 37 is in a compressed state during locking, and the second spring 38 is in an extended state; when the push rod assembly 3 and the locking sleeve 2 are required to be loosened and disassembled, the push rod 35 is upwards moved when the pressing block 36 is upwards pressed, the movable sleeve 33 is upwards moved under the elastic action of the first spring 37, the steel balls are separated from the clamping grooves 21 and then are clamped into the limiting grooves 351 again, the push rod assembly 3 and the locking disc 1 are mutually loosened, and when the locking device is used for an oxygenerator, a battery is connected with the locking disc 1 through the push rod assembly 3, so that the battery and the oxygenerator can be rapidly locked and installed or loosened and disassembled.

The above embodiments are illustrative of the present utility model, and not limiting, and any simple modifications of the present utility model fall within the scope of the present utility model.

Claims

1. A locking device, comprising:

the locking disc is provided with a stepped hole, a locking sleeve is mounted in the stepped hole in a matched mode, and a clamping groove is formed in the locking sleeve;

the push rod assembly comprises an outer guide sleeve, a movable sleeve, an inner guide sleeve and a push rod stopping, wherein a stepped channel is penetrated in the outer guide sleeve, the movable sleeve is sleeved on the outer side of the inner guide sleeve and is movably installed in the stepped channel along the axial direction, a stop ring for propping against a step of the stepped channel is arranged on the outer side of a first end of the movable sleeve, the inner guide sleeve is installed in the movable sleeve, a limiting piece matched with the clamping groove is installed on the side wall of the first end of the inner guide sleeve in a matched mode, a first spring is installed between the outer side of the inner guide sleeve and the stop ring, the push rod stopping is movably arranged in the inner guide sleeve in a penetrating mode, a limiting groove is formed on the outer side of the first end of the push rod stopping, a second spring is installed between the outer side of the push rod stopping rod and the outer guide sleeve, when the first end of the inner guide sleeve is matched with the locking sleeve, the locking sleeve is extruded downwards, the movable sleeve is enabled to be separated from the limiting groove and buckled with the clamping groove to realize locking of the push rod assembly and the locking disc, and when the push rod stopping rod is pressed upwards, the limiting piece is clamped into the limiting groove again to realize looseness of the push rod assembly and the locking disc.

2. The locking device of claim 1, wherein: the supporting seat is arranged at one end, close to the second spring, of the outer guide sleeve, a through hole is formed in the supporting seat in a penetrating mode, the second end of the inner guide sleeve is in threaded connection with the supporting seat, the second end of the push stopping rod penetrates through the through hole, and the second spring is located in the through hole.

3. The locking device of claim 1, wherein: the second end of the push stopping rod is connected with a pressing block through a stud.

4. The locking device of claim 1, wherein: the limiting parts are steel balls, and the number of the steel balls is a plurality of and uniformly distributed on the side wall of the first end of the inner guide sleeve.

5. The locking device of claim 1, wherein: the limiting groove and the clamping groove are annular grooves.

6. The locking device of claim 1, wherein: the longitudinal section of the limiting groove is isosceles trapezoid.

7. The locking device of claim 1, wherein: the longitudinal section of the clamping groove is in a right trapezoid shape.

8. The locking device of claim 1, wherein: the movable sleeve is made of copper.

9. The locking device of claim 1, wherein: the outer side of the push stopping rod is provided with a second supporting ring, two ends of the second spring respectively support against the inner guide sleeve and the second supporting ring, the second spring is sleeved on the outer side of the push stopping rod, the outer side of the inner guide sleeve is provided with a first supporting ring, and two ends of the first spring respectively support against the first supporting ring and the blocking ring.

10. An oxygenerator, characterized in that: the oxygenerator comprises a battery, a locking device according to any one of claims 1 to 9, the battery being connected to the locking device.