CN219506466U

CN219506466U - Fixed base

Info

Publication number: CN219506466U
Application number: CN202320762076.2U
Authority: CN
Inventors: 吴莎莉
Original assignee: Shenzhen Youshen Product Design Co ltd
Current assignee: Shenzhen Youshen Product Design Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-11
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a fixed base, which belongs to the technical field of bottom covers and comprises a bottom cover, a sucker, a locking cover, a top cover and a closed valve core, wherein a plurality of nail columns are circumferentially and fixedly arranged on the bottom cover, a plurality of through holes are circumferentially arranged on the sucker, a plurality of inserting ports are circumferentially arranged on the locking cover, the sucker is assembled between the bottom cover and the locking cover, a side piece for locking the closed valve core is arranged in the middle of the top cover, the closed valve core comprises a valve base, a sealing ring and a strip-shaped rod, the bottom of the valve base is fixedly provided with the sealing ring, the valve base is movably assembled between the sucker and the locking cover, the sucker is overlapped between the bottom cover and the locking cover, the closed valve core is movably assembled between the sucker and the locking cover, the top cover is movably sleeved on the locking cover, the negative pressure vacuum is utilized for adsorption locking in the pressing process, the purpose of preventing toppling and sliding is achieved, and the quick unlocking can be realized through vertical drawing, and the fixed valve base has excellent practical value.

Description

Fixed base

Technical Field

The utility model belongs to the technical field of bottom covers, and particularly relates to a fixed base.

Background

At present, common base products in the market are commonly used for supporting some articles easy to topple over, the conventional base parts are fixed on the tabletop end through gluing, the functions of flexible movement are not usually achieved, other bases are fixed through suckers, the positions are convenient to move, the fixing effect is good, but the conventional sucker structure is laborious in detachment due to vacuum negative pressure, so that the conventional base is not convenient to use, and deformation and damage of the suckers are easily caused by forced detachment.

Disclosure of Invention

In view of the shortcomings of the prior art, an objective of an embodiment of the present utility model is to provide a fixed base, so as to solve the problems in the prior art.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the fixed base comprises a bottom cover assembly, wherein the bottom cover assembly comprises a bottom cover, nail columns and air guide holes, a plurality of nail columns are circumferentially and fixedly arranged on the bottom cover, locking holes are arranged on the nail columns, and the middle part of the bottom cover is also provided with the air guide holes;

the sucker assembly comprises a sucker, through holes and airtight holes, a plurality of through holes are circumferentially distributed on the sucker, the number of the through holes is matched with that of the nail columns, and the middle part of the sucker is further provided with the airtight holes;

the locking assembly comprises a locking cover, plug-in ports and cross notches, a plurality of plug-in ports are circumferentially arranged on the locking cover, the number of the plug-in ports is matched with that of the nail columns, and the cross notches are further arranged in the middle of the locking cover;

the top cover assembly comprises a top cover, a transverse slot and side pieces, wherein the transverse slot is arranged in the middle of the top cover, and the side pieces are fixedly arranged on the transverse slot; and

the valve comprises a closed valve core, wherein the closed valve core comprises a valve base, a sealing ring, a connecting arm and a bar-shaped rod, the sealing ring is fixedly arranged at the bottom of the valve base, the connecting arm is fixedly connected to the top of the valve base, the bar-shaped rod is fixedly connected to the tail end of the connecting arm, the valve base is movably assembled between a sucker and a locking cover, and the bar-shaped rod is slidably assembled in a cross notch and a transverse notch.

As a further scheme of the utility model, the locking assembly further comprises a locking buckle which is fixedly arranged in the plug-in port and is buckled with the locking hole for locking the bottom cover, the sucker and the locking cover.

As a further scheme of the utility model, the locking assembly further comprises a positioning groove and a female buckle, a plurality of positioning grooves and female buckles are circumferentially distributed at the outer diameter end of the locking cover, the top cover assembly further comprises an outer lock catch and a sub-buckle, a plurality of outer lock catches are circumferentially distributed at the outer diameter end of the top cover, a plurality of sub-buckles are circumferentially distributed at the inner diameter end of the top cover, and the sub-buckle is matched with the female buckle.

As a further scheme of the utility model, the airtight valve core is elastically assembled between the sucker and the locking cover through an elastomer.

As a further scheme of the utility model, the fixed base further comprises an assembly shell assembly, the assembly shell assembly comprises an assembly shell, a bottom notch, positioning keys and annular grooves, the bottom notch is arranged at the bottom of the assembly shell, the diameter of the bottom notch is larger than that of the top cover, a plurality of positioning keys are arranged on the inner wall of the bottom notch, and the annular grooves are further arranged on the inner wall of the bottom notch and are used for movably buckling the outer lock catches.

In summary, compared with the prior art, the embodiment of the utility model has the following beneficial effects:

according to the utility model, the sucker is overlapped between the bottom cover and the locking cover, the airtight valve core is movably assembled between the sucker and the locking cover, and the top cover is movably sleeved on the locking cover, so that the anti-toppling anti-slip device can utilize negative pressure vacuum to carry out adsorption locking in the pressing process, achieve the anti-toppling anti-slip purpose, realize quick unlocking through vertical drawing, and have excellent practical value.

Drawings

Fig. 1 is an exploded view of a stationary base provided in an embodiment of the present utility model.

Fig. 2 is a schematic structural view of a bottom cover assembly in a stationary base provided in an embodiment of the present utility model.

Fig. 3 is a schematic structural view of a chuck assembly in a fixed base according to an embodiment of the present utility model.

Fig. 4 is a schematic view showing a mounting structure of the bottom cover assembly, the latch assembly and the elastic body in the fixing base provided in one embodiment of the present utility model.

Fig. 5 is a schematic structural view of a top cover assembly in a fixed base according to an embodiment of the present utility model.

Fig. 6 is a schematic structural diagram of a closed valve core in a fixed base according to an embodiment of the present utility model.

Fig. 7 is a schematic side view of a fixing base according to an embodiment of the present utility model.

Fig. 8 is an assembly schematic view of a top cover assembly and an assembly shell assembly in a stationary base provided in an embodiment of the utility model.

Fig. 9 is a schematic view showing a structure of a fitting case assembly in a fixing base provided in an embodiment of the present utility model.

Reference numerals: 1-bottom cover assembly, 101-bottom cover, 102-spike column, 103-locking hole, 104-air vent, 2-suction cup assembly, 201-suction cup, 202-through hole, 203-air seal hole, 3-locking assembly, 301-locking cover, 302-plug, 303-locking buckle, 304-detent, 305-box, 306-cross notch, 4-top cover assembly, 401-top cover, 402-cross notch, 403-side plate, 404-outer lock, 405-sub-buckle, 406-mounting chute, 5-closed valve core, 501-valve base, 502-sealing ring, 503-connecting arm, 504-bar lever, 6-assembly housing assembly, 601-assembly housing, 602-bottom notch, 603-detent, 604-ring groove.

Detailed Description

In order to more clearly illustrate the structural features and efficacy of the present utility model, the present utility model will be described in detail below with reference to the accompanying drawings and examples.

As shown in fig. 1 to 9, the fixing base in one embodiment of the present utility model includes a bottom cover assembly 1, where the bottom cover assembly 1 includes a bottom cover 101, a nail column 102 and an air vent 104, a plurality of nail columns 102 are circumferentially and fixedly arranged on the bottom cover 101, locking holes 103 are arranged on the nail columns 102, and the air vent 104 is also arranged in the middle of the bottom cover 101; the sucking disc assembly 2 comprises a sucking disc 201, through holes 202 and airtight holes 203, wherein a plurality of through holes 202 are circumferentially distributed on the sucking disc 201, the number of the through holes 202 is matched with that of the nail posts 102, and the airtight holes 203 are further distributed in the middle of the sucking disc 201; the locking assembly 3, the locking assembly 3 comprises a locking cover 301, plug ports 302 and cross notches 306, a plurality of plug ports 302 are circumferentially arranged on the locking cover 301, the number of the plug ports 302 is matched with that of the nail columns 102, and the cross notches 306 are also arranged in the middle of the locking cover 301; the top cover assembly 4, wherein the top cover assembly 4 comprises a top cover 401, a transverse slot opening 402 and side pieces 403, the transverse slot opening 402 is arranged in the middle of the top cover 401, and the side pieces 403 are also fixedly arranged on the transverse slot opening 402; the sealing valve core 5 comprises a valve base 501, a sealing ring 502, a connecting arm 503 and a bar-shaped rod 504, wherein the sealing ring 502 is fixedly arranged at the bottom of the valve base 501, the connecting arm 503 is fixedly connected to the top of the valve base 501, the bar-shaped rod 504 is fixedly connected to the tail end of the connecting arm 503, the valve base 501 is movably assembled between the sucker 201 and the locking cover 301, and the bar-shaped rod 504 is slidably assembled in the cross notch 306 and the transverse notch 402; the airtight valve core 5 is elastically assembled between the suction cup 201 and the locking cap 301 by an elastic body.

In practical application, when the fixing base is installed, the studs 102 on the bottom cover 101 in the base are assembled upwards from the bottom of the sucker 201 and a plurality of studs 102 pass through the through holes 202 in an aligned mode, at this time, the valve base 501 is placed above the airtight holes 203, so that the sealing ring 502 is attached above the airtight holes 203, the bottom cover 101, the sucker 201 and the valve base 501 are assembled upwards integrally from the bottom of the locking cover 301, after the studs 102 pass through the inserting holes 302, the locking studs 102 are buckled and locked in the locking holes 103 by using the locking buckles 303 in the inserting holes 302, thus locking of the bottom cover 101, the sucker 201 and the locking cover 301 is completed, the bar 504 at the top of the valve base 501 passes through the cross notch 306, an elastomer is assembled between the valve base 501 and the locking cover 301, after the bar 504 passes through the cross notch 306, the bar 504 can be clamped on the upper surface of the cross notch 306 by rotating the bar 504, at this time, the bottom cover 101, the suction cup 201 and the locking cover 301 are integrally assembled from the bottom of the top cover 401 to make the top cover 401 buckled on the locking cover 301, the sub buckle 405 of the top cover 401 is buckled with the female buckle 305 of the locking cover 301, after the bar 504 passes through the transverse slot 402 on the top cover 401, the bar 504 is arranged on the side piece 403 in a staggered way and a gap is reserved between the bar 504 and the side piece 403 by rotating the bar 504, at this time, the bottom cover 101, the suction cup 201, the locking cover 301 and the top cover 401 are connected into a whole, at this time, an elastomer between the locking cover 301 and the valve base 501 is in an energy storage state, so that the bar 504 is always elastically pressed on the locking cover 301, at this time, the assembly shell assembly 6 is assembled on the top cover 401, and the suction cup 201 is placed on a horizontal end surface, at this time under the gravity action of the assembly shell assembly 6 and the top cover 401, the top cover 401 presses the locking cover 301, the sucker 201 and the bottom cover 101 to move integrally towards the end face, and as the sub-buckle 405 of the top cover 401 is buckled with the female buckle 305 of the locking cover 301, in the extrusion process, air between the sucker 201 and the end face is continuously extruded and discharged, and when the bottom cover 101 is close to one side of the end face, a negative-pressure vacuum adsorption state is formed between the sucker 201 and the end face, at the moment, the fixing base can be stably adsorbed on the horizontal end face, when the assembly shell assembly 6 inclines and shakes, as the bottom of the sealing ring 502 is always pressed on the airtight hole 203, the air hole of the airtight hole 203 is always in a closed state, so that the vacuum adsorption state of the sucker 201 is ensured not to be interrupted, and the supporting effect of stable anti-slip and anti-toppling can be achieved.

In one case of this embodiment, since a gap is left between the bar-shaped rod 504 and the side piece 403 in the sealing valve core 5, when the top cover 401 is kept in a locking state with the locking cover 301, a gap is left between the sub-buckle 405 and the female buckle 305 at the same time, the top cover 401 can longitudinally slide within the gap range, when the top cover 401 swings left and right, the bottom of the sealing valve core 5 is always attached to the suction cup 201 within the gap range, so as to ensure tightness of the suction cup 201, no influence on sealing effect due to strong impact or up and down jolt vibration occurs, when the base needs to be detached, the top cover 401 is longitudinally lifted, the side piece 403 is preferentially abutted with the bar-shaped rod 504, and the sealing valve core 5 is longitudinally lifted, so that the sealing ring 502 is pulled away from the airtight hole 203 at the bottom, the interior of the suction cup 201 is restored to standard atmospheric pressure, and when the sub-buckle 405 slides against the female buckle 305 in the process of continuously moving up, the top cover 401 drives the locking cover 301 to simultaneously slide up, so that the suction cup 201 and the bottom cover 101 are simultaneously pulled away from the end face.

In one case of this embodiment, the suction cup assembly 2 is made of flexible silica gel, and the bottom cover assembly 1, the locking assembly 3, the top cover assembly 4 and the sealing valve core 5 are made of hard engineering plastics.

In a preferred embodiment of the utility model, as shown in fig. 4, the locking assembly 3 further comprises a locking buckle 303, wherein the locking buckle 303 is fixedly arranged in the insertion port 302 and is in snap fit connection with the locking hole 103, so as to lock the bottom cover 101, the suction cup 201 and the locking cover 301.

In practical application, the locking buckle 303 in the plug-in interface 302 can be movably locked on the locking hole 103, so that the bottom cover 101 and the locking cover 301 are fixedly connected, and the sucker 201 is clamped between the bottom cover 101 and the locking cover 301.

As shown in fig. 4, in a preferred embodiment of the utility model, the locking assembly 3 further includes a positioning groove 304 and a female buckle 305, a plurality of the positioning groove 304 and the female buckle 305 are circumferentially arranged at the outer diameter end of the locking cap 301, the top cap assembly 4 further includes an outer lock catch 404 and a sub-buckle 405, a plurality of the outer lock catches 404 are circumferentially arranged at the outer diameter end of the top cap 401, a plurality of the sub-buckles 405 are circumferentially arranged at the inner diameter end of the top cap 401, and the sub-buckles 405 are matched with the female buckle 305.

In practical application, the positioning groove 304 can be in limit fit with the edge on the inner wall of the top cover 401 to limit the rotation of the top cover 401 on the locking cover 301, and the female buckle 305 can be movably buckled on the sub buckle 405 on the inner wall of the top cover 401, so that the top cover 401 is buckled and locked on the locking cover 301 to prevent the loosening.

As shown in fig. 8 and 9, in a preferred embodiment of the present utility model, the fixing base further includes a mounting shell assembly 6, the mounting shell assembly 6 includes a mounting shell 601, a bottom slot 602, a positioning key 603 and a ring groove 604, a bottom slot 602 is disposed at the bottom of the mounting shell 601, the diameter of the bottom slot 602 is greater than that of the top cover 401, a plurality of positioning keys 603 are disposed on the inner wall of the bottom slot 602, and a ring groove 604 is also disposed on the inner wall of the bottom slot 602 for movably fastening the outer lock catch 404.

In practical application, the positioning key 603 on the inner diameter of the bottom slot 602 is movably inserted into the mounting chute 406 on the outer diameter of the top cover 401, and the ring groove 604 on the inner diameter of the bottom slot 602 is movably fastened to the outer lock catch 404 on the outer diameter of the top cover 401, so that the assembly housing 601 can be quickly assembled on the top cover 401, and can prevent toppling after being fixed.

According to the fixing base provided by the embodiment of the utility model, the sucker 201 is overlapped between the bottom cover 101 and the locking cover 301, the airtight valve core 5 is movably assembled between the sucker 201 and the locking cover 301, the top cover 401 is movably sleeved on the locking cover 301, so that the purposes of preventing toppling and sliding are achieved by utilizing negative pressure vacuum for adsorption and locking in the pressing process, quick unlocking can be realized by vertical drawing, and the fixing base has excellent practical value.

In the description of the present utility model, it should be understood that the terms "upper", "one side", "inner", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are merely for convenience in describing the present utility model and simplifying the description, rather than indicating or implying that the fixed base or element referred to must have a specific orientation, be configured and operated in a specific orientation, and furthermore, it should be noted that unless otherwise explicitly stated and defined, the terms "disposed", "mounted", "connected", etc. should be construed broadly, and may be fixedly connected, or may be integrally connected, for example; can be mechanically or electrically connected; either directly or indirectly, through intermediaries, or both, unless otherwise specifically defined, the specific meaning of the terms in this disclosure will be understood by those of ordinary skill in the art.

The foregoing description of the preferred embodiments of the utility model is not intended to be limiting, but rather is intended to cover all modifications, equivalents, and alternatives falling within the spirit and principles of the utility model.

Claims

1. A fixed base, characterized in that the fixed base comprises:

the bottom cover assembly comprises a bottom cover, nail columns and air guide holes, wherein a plurality of nail columns are circumferentially and fixedly arranged on the bottom cover, locking holes are arranged on the nail columns, and the air guide holes are also arranged in the middle of the bottom cover;

2. The base of claim 1, wherein the locking assembly further comprises a locking button fixedly disposed in the socket and snap-fit with the locking aperture for locking the bottom cover, suction cup and locking cover.

3. The fixing base according to claim 1, wherein the locking assembly further comprises a positioning groove and a female buckle, a plurality of the positioning grooves and the female buckles are circumferentially arranged at the outer diameter end of the locking cover, the top cover assembly further comprises an outer lock buckle and a sub-buckle, a plurality of the outer lock buckles are circumferentially arranged at the outer diameter end of the top cover, a plurality of the sub-buckles are circumferentially arranged at the inner diameter end of the top cover, and the sub-buckles are matched with the female buckle.

4. The stationary base of claim 1, wherein the containment valve element is resiliently mounted between the suction cup and the locking cap by an elastomer.

5. A fixing base according to claim 3, further comprising an assembly shell assembly, wherein the assembly shell assembly comprises an assembly shell, a bottom notch, a positioning key and a ring groove, the bottom notch is arranged at the bottom of the assembly shell, the diameter of the bottom notch is larger than that of the top cover, a plurality of positioning keys are arranged on the inner wall of the bottom notch, and the ring groove is further arranged on the inner wall of the bottom notch for movably fastening the outer lock catch.