CN208551344U - A kind of fit structure of pot cover removable cover board and lock - Google Patents

Abstract

The utility model discloses a kind of fit structures of pot cover removable cover board and lock, include lid, lock, cover board, annular pressing ring；Lock is equipped with buckle teeth, and lock upper end includes extension arm, lug equipped with first annular flange, annular pressing ring setting buckle, buckle, and lid is equipped with card slot, and lug is inserted into card slot across lock；Cover board is in contact with first annular flange lower surface, the upward cover board of annular pressing ring；Buckle teeth upper surface is lower than the upper contact surface of cover board and first annular flange, and is higher than the upper surface of lug face lock.Without fasteners such as screws, installation is simpler for the installation of the utility model cover plate, can effectively improve efficiency, reduce cost；And it is easy fast, cover board can be dismantled at any time and cleaned and safeguarded without preparing the tools such as screwdriver when dismantling；Meanwhile the buckle structure of existing lock is optimized in the utility model, can reduce lock thickness, advantageously reduces the punch forming difficulty of lock, reduces cost.

Description

A kind of fit structure of pot cover removable cover board and lock

Technical field

The utility model relates to electric food warmers, especially for the fit structure of a kind of electric food warmer pot cover inner cover plate and lock.

Background technique

More steam can be all generated in cooking food process, the evaporation of steam can take away the heat inside cookware.In order to The efficiency of heating- utilization in cooking process is improved, a kind of existing pot cover lid is internal to have the cover board for closing pot body and have The lock that buckle teeth is used to lock pot body can be made between cookware and lid by cover board and lock and the cushion rubber of sealing Opposite confined space is formed to subtract so that steam will not be sprayed from the gap that the pot cover lid of cookware and electric food warmer is combined to form The heat that few evaporation because of steam is taken away, improves efficiency of heating- utilization.But the cover board is all using spiral shell in prior art designs The fixing pieces such as nail, which are locked, to be connected on pot cover lid, therefore it generally requires to expend largely during production and assembly Time affects the packaging efficiency of entire electric food warmer；And it in use, needs to remove the cover board to be cleaned or tieed up When shield maintenance, it is necessary to prepare the corresponding tool such as screwdriver, carry out disassembly and again group so being also required to take a substantial amount of time Dress, therefore also it is not easy to user's use.Simultaneously as generating a large amount of high steams in confined space after closing, lock buckle teeth will By very big load force, in order to ensure the intensity of buckle teeth can reach requirement, the thickness of existing lock is often thicker, and Lock is usually to use sheet metal stamping forming, and the thicker processing and forming industry of thickness is more difficult to, and production cost is also higher.

Summary of the invention

In order to overcome the deficiencies of the prior art, the utility model provides, and a kind of installation effectiveness is high, easily disassembled and raw Produce the fit structure of pot cover at low cost removable cover board and lock.

The technical scheme adopted by the utility model to solve the technical problem is as follows:

A kind of fit structure of pot cover removable cover board and lock, includes that bottom is provided with the lid of inner cavity, is mounted on institute The lock for stating interior intracavitary annular, the cover board being mounted on the inside of the lock；Circumferential uniformly distributed and direction is provided on the lock The buckle teeth of inside, the lock upper end are provided with the first annular flange turned down inwardly, further include being mounted on the lock The annular pressing ring of inside, the annular pressing ring outer ledge setting buckle, the buckle include the extension arm extended downwardly, set The lug set in the extension arm lower end and turned down outward, the position that the lid corresponds to the lug are provided with card slot, institute Lug is stated to be inserted into the card slot across the lock；The cover board is in contact with the first annular flange lower surface, described Annular pressing ring is in contact with the cover board and the upward cover board；The buckle teeth upper surface is lower than the cover board and the first ring The upper contact surface of shape flange, and it is higher than the upper surface of lock described in the lug face.

As an improvement of the above technical solution, the upper surface of lock described in the buckle teeth upper surface and the lug face it Between difference in height be greater than 0mm and be less than 20mm.

Further, downwardly convex formation boss in the middle part of the cover board, and edge turns down the annular flange of formation second, institute outwardly Annular pressing ring is stated to contact and squeeze the described second annular flange.

Further, the described second annular flange edge is downwardly convex and forms annular groove between the boss.

Further, the circular bar for raising upward and protruding into the annular groove is provided on the annular pressing ring.

Further, it is provided with downwardly convex squeeze station on the described second annular flange, is provided on the annular pressing ring With the compressive plane of squeeze station cooperation.

Further, the squeeze station has multiple and is circumferentially evenly spaced on.

Further, it is described buckle altogether there are two and respectively first buckle and second buckle, it is described first buckle and second It buckles symmetrical.

Further, the position of the first buckle described in the lid face is provided with elastomer block, is clasped with described first Card slot be arranged in the elastomer block.

The beneficial effects of the utility model are: cover board described in the utility model is to squeeze to install by the annular pressing ring On the inside of the lock, and the annular pressing ring is the cooperation and lid installation fixation by the buckle with card slot, Therefore without fasteners such as screws, installation is simpler for the installation of cover board described in this structure, can effectively improve production peace It fills efficiency, reduce production cost；And it is easy fast, to dismantle at any time described without preparing the tools such as screwdriver when dismantling Cover board is cleaned and is safeguarded；Meanwhile the buckle structure of existing lock is optimized in the utility model, so that strong meeting In the case that degree requires, lock thickness can be obviously reduced, and advantageously reduced the punch forming difficulty of lock, reduced cost.

Detailed description of the invention

The present invention will be further described with reference to the accompanying drawings and examples.

Fig. 1 is the overlooking structure diagram of the utility model；

Fig. 2 is the cutting section structure diagram of the utility model；

Fig. 3 is the mounting structure cross-sectional view of lock, cover board and annular pressing ring described in the utility model；

Fig. 4 is the structural schematic diagram of lock described in the utility model；

Fig. 5 is the structural schematic diagram of cover board described in the utility model；

Fig. 6 is the structural schematic diagram of annular pressing ring described in the utility model.

Specific embodiment

Referring to figs. 1 to Fig. 4, the fit structure of a kind of pot cover removable cover board and lock of the utility model, includes bottom It is provided with the lid 1 of inner cavity, the lock 2 for being mounted on the interior intracavitary annular, the cover board 3 for being mounted on 2 inside of lock；Institute It states and is provided with circumferential direction on lock 2 uniformly and towards the buckle teeth of inside 21,2 upper ends of the lock are provided with first turned down inwardly Annular flange 22 further includes having the annular pressing ring 4 for being mounted on 2 inside of lock, 4 outer ledge of the annular pressing ring setting card Button 41, the buckle 41 include the extension arm 411 extended downwardly, are arranged in 411 lower end of extension arm and turn down outward Lug 412, the position of the corresponding lug 412 of the lid 1 is provided with card slot 11, and the lug 412 is across the lock 2 It is inserted into the card slot 11；The cover board 3 is in contact with first annular 22 lower surface of flange, the annular pressing ring 4 and institute Cover board 3 is stated to be in contact and the upward cover board 3；21 upper surface of buckle teeth is lower than the cover board 3 and first annular flange 22 upper contact surface, and difference in height is h1,21 upper surface of buckle teeth is higher than the upper table of lock 2 described in 412 face of lug Face, and difference in height is h2.Cover board 3 described in this structure is that 2 inside of lock is mounted on by the annular pressing ring 4 extruding , and the annular pressing ring 4 is to install fixation, therefore this knot with the lid 1 by the cooperation of the buckle 41 and card slot 11 The installation of cover board 3 described in structure without the fasteners such as screw, install it is simpler, can effectively improve production installation effectiveness, Reduce production cost；And without preparing the tools such as screwdriver when dismantling, be easy it is quick, can dismantle at any time the cover board 3 into Row cleaning and maintenance；Meanwhile the buckle structure of existing lock 2 is optimized in the utility model, so that being wanted meeting intensity In the case where asking, 2 thickness of lock can be obviously reduced, and advantageously reduced the punch forming difficulty of lock 2, reduced cost.

Difference in height h2 between the upper surface of lock 2 described in 412 face of 21 upper surface of buckle teeth and the lug is unsuitable Too big, the too big difficulty of processing that will increase the lock 2 is verified by many experiments, in order to further decrease the lock 2 Forming cost, h2 should be greater than 0mm and be less than 20mm, such as can set h2 to 15mm, 10mm, 5mm etc..

Referring to Fig. 5, in order to preferably with the pot body pairing of electric food warmer, in this embodiment, it is preferred that, in the cover board 3 The downwardly convex formation boss 31 in portion, and edge turns down the annular flange 32 of formation second outwardly, the annular pressing ring 4 is contacted and is squeezed Described second annular flange 32.

Referring to Fig. 5, Fig. 6, in order to further increase the annular pressing ring 4 and the described second 32 extrusion fit of annular flange Reliability, the described second 32 edge of annular flange is downwardly convex and annular groove 33 is formed between the boss 31；In this implementation In example, it is preferable that be provided with the circular bar 42 for raising upward and protruding into the annular groove 33 on the annular pressing ring 4, certainly Part integral installation of the circle body portion of the annular pressing ring 4 other than buckle 41 also can be set into according to the actual situation in institute It states and is installed in inside annular groove 33 inside the annular groove 33.In order to connect the annular pressing ring 4 preferably with the cover board 3 Touching squeezes, and is provided with downwardly convex squeeze station 34 on the second annular flange 32, is provided on the annular pressing ring 4 and institute The compressive plane 43 of the cooperation of squeeze station 34 is stated, and the squeeze station 34 should have multiple and circumferentially be evenly spaced on, with Ensure that the surrounding to the cover board 3 is uniformly squeezed.In this embodiment, it is preferred that the squeeze station 34 is arranged described Inside annular groove 33.

Referring to Fig.1, Fig. 3, in order to which the annular pressing ring 4 is firmly installed in the inside cavity, in the present embodiment, Preferably, it is described buckle 41 altogether there are two and respectively first buckle and second buckle, it is described first buckle and second buckle pair Claim distribution.The position of first buckle described in 1 face of lid is provided with elastomer block 12, the card slot being clasped with described first 11 are arranged in the elastomer block 12, can just make first buckle engaged therewith by pressing the elastomer block 12 in this way Card slot 11 is detached from, and is further facilitated and is removed and take out the cover board 3.

The above is the better embodiment of the utility model, but the utility model is not limited to above-described embodiment, As long as its technical effect for reaching the utility model with any same or similar means, should all fall into the protection model of the utility model Within enclosing.

Claims (9)

1. a kind of fit structure of pot cover removable cover board and lock includes that bottom is provided with the lid (1) of inner cavity, is mounted on institute The lock (2) for stating interior intracavitary annular, the cover board (3) being mounted on the inside of the lock (2)；Week is provided on the lock (2) To uniformly and towards the buckle teeth of inside (21), described lock (2) upper end is provided with the first annular flange (22) turned down inwardly, It is characterized by also including have the annular pressing ring (4) being mounted on the inside of the lock (2), annular pressing ring (4) outer ledge Setting buckle (41), the buckle (41) include the extension arm (411) extended downwardly, are arranged under the extension arm (411) The position of end and the lug (412) turned down outward, the corresponding lug (412) of the lid (1) is provided with card slot (11), institute Lug (412) is stated to be inserted into the card slot (11) across the lock (2)；The cover board (3) and the first annular flange (22) lower surface is in contact, and the annular pressing ring (4) is in contact with the cover board (3) and the upward cover board (3)；It is described Buckle teeth (21) upper surface is lower than the upper contact surface of the cover board (3) and first annular flange (22), and is higher than the lug (412) The upper surface of (2) is latched described in face.

2. the fit structure of a kind of pot cover removable cover board and lock according to claim 1, it is characterised in that: the buckle teeth (21) difference in height between the upper surface of lock (2) described in upper surface and the lug (412) face is greater than 0mm and is less than 20mm。

3. according to claim 1 or a kind of fit structure of 2 any pot cover removable cover boards and lock, it is characterised in that: Downwardly convex formation boss (31) in the middle part of the cover board (3), and edge turns down the annular flange (32) of formation second, the ring outwardly Shape pressing ring (4) contacts and squeezes the described second annular flange (32).

4. the fit structure of a kind of pot cover removable cover board and lock according to claim 3, it is characterised in that: described second Annular flange (32) edge is downwardly convex and forms annular groove (33) between the boss (31).

5. the fit structure of a kind of pot cover removable cover board and lock according to claim 4, it is characterised in that: the annular The circular bar (42) for raising upward and protruding into the annular groove (33) is provided on pressing ring (4).

6. the fit structure of a kind of pot cover removable cover board and lock according to claim 3, it is characterised in that: described second It is provided with downwardly convex squeeze station (34) on annular flange (32), is provided with and the squeeze station on the annular pressing ring (4) (34) compressive plane (43) cooperated.

7. the fit structure of a kind of pot cover removable cover board and lock according to claim 6, it is characterised in that: the extruding Platform (34) has multiple and is circumferentially evenly spaced on.

8. the fit structure of a kind of pot cover removable cover board and lock according to claim 1 to 2, it is characterised in that: institute State buckle (41) altogether there are two and respectively first buckle and second buckle, it is described first buckle and second buckle it is symmetrical.

9. the fit structure of a kind of pot cover removable cover board and lock according to claim 8, it is characterised in that: the lid (1) position of the first buckle described in face is provided with elastomer block (12), exists with card slot (11) setting that described first is clasped On the elastomer block (12).