Disassembling and assembling structure and range hood

Abstract

The utility model belongs to the technical field of range hoods, and particularly discloses a disassembly and assembly structure and a range hood, the disassembly and assembly structure comprises a lock seat assembly and a fixing pin assembly, the lock seat assembly comprises a seat body and an elastic piece, the seat body is detachably connected to an external part, the seat body is provided with a containing cavity, the containing cavity is provided with an opening, the elastic piece is arranged in the containing cavity, and the fixing pin assembly is arranged on the elastic piece. The elastic sheet is provided with a clamping section; the fixing pin assembly comprises a pin head, and the pin head can stretch into the containing cavity through the opening so that the clamping section can clamp and fix the pin head. The extractor hood comprises the machine body and the oil screen, one of the seat body and the pin head is arranged on the machine body, and the other one of the seat body and the pin head is arranged on the oil screen, so that the cost is saved on the basis that the oil screen and the machine body are quickly inserted through the disassembly and assembly structure.

Description

TECHNICAL FIELD

[0001] The utility model relates to range hood technical field especially, relates to a dismounting structure and range hood. BACKGROUND

[0002] In prior art, range hood oil screen fixing mode is generally divided into two modes of non-detachable fixing and detachable fixing, and the detachable fixing mode can clean and maintain the range hood and improve user experience to some extent.

[0003] The detachable locking structure composed of detachable lock catch and fixing pin is usually used to realize the detachable fixing in prior art, and the detachable lock catch of the range hood is usually composed of base, spring, knock bead and locking end cover; when the fixing pin matched with the detachable lock catch is inserted into the base, the knock bead is first pushed open, then the fixing pin is continuously inserted, the spring is pressed, the spring is compressed to the position of the locking catch, finally the spring is reset, the knock bead is pushed back and the fixing pin is locked.

[0004] The above mode can realize the function of quick dismounting of the oil screen, but the structure is relatively complex, the parts are relatively more, and the cost is relatively high. INVENTION CONTENTS

[0005] One of the technical problems solved by the utility model is to provide a dismounting structure which can effectively solve the problem of high cost.

[0006] The second technical problem solved by the utility model is to provide a range hood which can effectively solve the problem of high cost on the basis of quick dismounting of the oil screen.

[0007] The first technical problem is solved by the following technical scheme:

[0008] The dismounting structure comprises a lock seat assembly and a fixing pin assembly;

[0009] The lock seat assembly comprises a seat body and a spring piece, the seat body is detachably connected to an external component, the seat body is provided with a containing cavity, the containing cavity has an opening communicating with the outside, the spring piece is arranged in the containing cavity, and the spring piece has a clamping section;

[0010] The fixing pin assembly comprises a pin head, the pin head can extend into the containing cavity through the opening, and the clamping section clamps and fixes the pin head.

[0011] The dismounting structure has the beneficial effects compared with the background technology:

[0012] The detachable connection of the seat body can expand the installation range and improve the installation flexibility. When the locking is performed, the pin head of the fixing pin assembly is inserted into the accommodating cavity through the opening, and the clamping section clamps the pin head, so that the external components of the connecting lock seat assembly and the fixing pin assembly can be fixed during use. When the unlocking is performed, the fixing pin assembly can be pulled away from the clamping section. The spring piece structure can reduce the use of collision beads and springs and simplify the overall structure, thereby reducing the cost and noise.

[0013] In one of the embodiments, the spring piece has two opposite clamping sections; or, the spring piece has a plurality of circumferentially distributed clamping sections.

[0014] In one of the embodiments, the spring piece is made of manganese steel or stainless steel; and / or, the pin head is a rigid pin head.

[0015] In one of the embodiments, the spring piece has a fixing section connected with the clamping section, the fixing section is fixed to the inner wall of the accommodating cavity, and the end of the clamping section away from the fixing section extends in a direction away from each other.

[0016] In one of the embodiments, a partition wall is arranged in the accommodating cavity, the partition wall and the inner wall of the accommodating cavity form the accommodation groove, at least part of the fixing section is embedded in the accommodation groove, and the clamping section is located outside the accommodation groove.

[0017] In one of the embodiments, the fixing section includes a first section and a second section, the first section is connected with the clamping section, the second section is located at one end of the first section away from the clamping section, the first section is embedded in the accommodation groove, and the second section is located outside the accommodation groove.

[0018] In one of the embodiments, the outer circumferential surface of the pin head is provided with a recess groove, each clamping section is provided with a protrusion matched with the recess groove, and when the clamping section clamps the pin head, the protrusion is embedded in the recess groove.

[0019] In one of the embodiments, the seat body is provided with a clamping protrusion.

[0020] In one of the embodiments, the lock seat assembly further includes a limiting piece, the limiting piece corresponds to the clamping section one by one, is located between the inner wall of the accommodating cavity and the clamping section, is arranged in the accommodating cavity, and can block the clamping section from moving away from each other.

[0021] The second technical problem is solved by the following technical scheme:

[0022] An oil fume extractor comprises a body, an oil screen and a detachable structure as described above, one of the seat body and the pin head is arranged on the body and the other is arranged on the oil screen.

[0023] Compared with the prior art, the oil fume extractor has the beneficial effects that:

[0024] On the basis of quick detachable oil screen, the oil fume extractor can effectively solve the problem of high cost. BRIEF DESCRIPTION OF DRAWINGS

[0025] Figure 1 A sectional view of the detachable structure when the detachable structure is inserted and fixed is provided for the embodiment of the utility model;

[0026] Figure 2 A sectional view when the pin head is being inserted into the clamping section is provided for the embodiment of the utility model;

[0027] Figure 3 An exploded view of the lock seat assembly is provided for the embodiment of the utility model;

[0028] Figure 4 A schematic view of the oil fume extractor is provided for the embodiment of the utility model;

[0029] Figure 5 A partial sectional view of the oil fume extractor is provided for the embodiment of the utility model.

[0030] REFERENCE SIGNS:

[0031] 1, lock seat assembly; 11, seat body; 111, accommodating cavity; 112, arrangement groove; 113, clamping protrusion; 114, mounting hole; 115, partition wall; 12, elastic sheet; 121, clamping section; 122, fixed section; 1221, first section; 1222, second section; 123, protrusion; 13, limiting member;

[0032] 2, fixed pin assembly; 21, pin head; 22, pin seat; 23, recessed groove;

[0033] 10, body; 20, oil screen. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0035] In the description of the present application, it needs to be understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer" and the like indicate the orientation or positional relationship shown in the drawings, which are only for the convenience of describing the present application and simplifying the description, and do not indicate or imply that the devices or elements referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as limiting the present application.

[0036] The terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined with "first", "second" can explicitly or implicitly include one or more of the features. In the description of the present application, unless otherwise specified, the meaning of "a plurality of" is two or more.

[0037] In the description of the present application, it needs to be explained that, unless otherwise explicitly specified and limited, the terms "mounting", "connecting", "connecting" should be understood in a broad sense, for example, it can be fixedly connected, or it can be detachably connected, or integrally connected; it can be mechanically connected, or it can be electrically connected; it can be directly connected, or it can be indirectly connected through an intermediate medium; it can be the communication inside two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances.

[0038] As Figures 1 to 5 The utility model provides a dismounting structure, it includes lock seat subassembly 1 and fixed pin subassembly 2, lock seat subassembly 1 includes seat body 11 and elastic sheet 12, seat body 11 is detachably connected on external component, seat body 11 is seted up with containing cavity 111, containing cavity 111 has the opening of intercommunication outside, elastic sheet 12 is arranged in containing cavity 111, and elastic sheet 12 has clamping section 121, fixed pin subassembly 2 includes pin head 21, pin head 21 can be through the opening and extend into containing cavity 111, make clamping section 121 hold fixed pin head 21.

[0039] Through the detachable connection mode of seat body 11, the range of installation can be expanded, and the installation flexibility is improved. By using the elastic sheet 12 with the clamping section 121 as described above, when locking, the pin head 21 of the fixed pin subassembly 2 is inserted into the containing cavity 111 through the opening, and the clamping section 121 holds the pin head 21, so that the external component connected with the lock seat subassembly 1 and the fixed pin subassembly 2 can be fixed during use; when unlocking, the fixed pin subassembly 2 can be pulled away from the clamping section 121; the use of elastic sheet 12 can reduce the use of parts such as beads and springs, simplify the overall structure, reduce the cost, and also reduce the noise.

[0040] As Figures 1 to 3As shown in the drawings, in some embodiments, the elastic sheet 12 can have two opposite clamping sections 121, which fix the pin head 21 through the two clamping sections 121; of course, the elastic sheet 12 can have multiple clamping sections 121, which are distributed in a circumferential manner, and when the pin head 21 is inserted, the pin head 21 can be surrounded along the circumference of the pin head 21 and fixed. In the present embodiment, in order to facilitate insertion, the end of the clamping section 121 is directed towards the opening. In addition, in another alternative embodiment, the elastic sheet 12 can have one clamping section 121, that is, the elastic sheet 12 is a ring-shaped elastic sheet.

[0041] As shown in the drawings, Figure 3 In some embodiments, the elastic sheet 12 also has a fixing section 122 connected with the clamping section 121, which is fixed to the inner wall of the accommodating cavity 111 to fix the elastic sheet 12. In order to facilitate molding, the elastic sheet 12 is integrally formed, and when two clamping sections 121 are provided, the end of the long strip-shaped elastic sheet 12 can be bent to form; and when multiple clamping sections 121 are provided, the sheet-shaped elastic sheet 12 can be cut and then the end of the elastic sheet 12 is bent to form. In order to ensure the strength and stability of the elastic sheet 12, the elastic sheet 12 is made of manganese steel or stainless steel.

[0042] As shown in the drawings, Figure 3 In order to facilitate the fixation of the elastic sheet 12, the inner wall of the accommodating cavity 111 is provided with a mounting groove 112, specifically, multiple partition walls 115 are arranged in the accommodating cavity 111, and the partition walls 115 form the mounting groove 112 with the inner wall of the accommodating cavity 111. At least part of the fixing section 122 of the elastic sheet 12 is embedded in the mounting groove 112, and the clamping section 121 is located outside the mounting groove 112, so as to ensure the stability of the whole elastic sheet 12, and also to avoid the interference of the mounting groove 112 with the clamping section 121.

[0043] More specifically, in one embodiment, the accommodating cavity 111 is a through cavity, one of the two openings of the through cavity is the abutting opening, and the other is the opening mentioned above, wherein one part of the fixing segment 122 is located in the installation groove 112, and the other part of the fixing segment 122 extends out of the abutting opening of the accommodating cavity 111 from the installation groove 112, so that the abutting opening faces the external component when the seat body 11 is installed on the external component, and the elastic sheet 12 is clamped and fixed between the external component and the seat body 11 by the external component abutting against the fixing segment 122. Specifically, the fixing segment 122 includes a first segment 1221 and a second segment 1222, wherein the first segment 1221 is connected to the clamping segment 121, and the second segment 1222 is located at one end of the first segment 1221 away from the clamping segment 121, the first segment 1221 is embedded in the installation groove 112, and the second segment 1222 is located outside the abutting opening, that is, outside the accommodating cavity 111, so that the second segment 1222 is clamped and fixed between the external component and the seat body 11 by the external component abutting against the second segment 1222 of the elastic sheet 12, and the elastic sheet 12 is stably fixed. In order to facilitate the clamping of the second segment 1222, in the current embodiment, the first segment 1221 and the second segment 1222 are arranged at an angle. In another alternative embodiment, the accommodating cavity 111 only has one opening mentioned above, and opposite to the opening is the bottom wall of the accommodating cavity 111, the gap between the partition wall 115 and the bottom wall, and the part of the fixing segment 122 located in the installation groove 112 is fixed in the gap between the partition wall 115 and the bottom wall. Specifically, the first segment 1221 is located in the installation groove 112, and the second segment 1222 is located in the gap between the partition wall 115 and the bottom wall.

[0044] Further, in order to fix the seat body 11 and avoid its movement, in one embodiment, the seat body 11 is provided with clamping protrusions 113, so as to be capable of clamping with the clamping openings provided on the external component. For example, the clamping protrusions 113 are provided opposite to each other, so as to be clamped on the external component by the opposite clamping protrusions 113 for fixation; for another example, the seat body 11 is further provided with a plurality of mounting holes 114, which can be but are not limited to screw holes, and then the clamping protrusions provided on the seat body 11 and the screw holes are used for double fixation.

[0045] As Figure 2As shown, in some embodiments, the lock seat assembly 1 further comprises limiters 13, one-to-one corresponding to the clamping segments 121, the limiters 13 being arranged in the accommodating cavities 111 and surrounding the outer sides of the clamping segments 121, i.e. between the inner walls of the accommodating cavities 111 and the clamping segments 121, so that when the pin head 21 is inserted, the limiters 13 block the clamping segments 121 from moving away from each other, avoiding the deformation of the clamping segments 121 from being too large and causing the loss of the restoring force. It should be noted here that the position of the limiters 13 determines the maximum distance of the clamping segments 121 from each other when they are spread apart, which can be set according to the size of the pin head 21 and is not specifically limited.

[0046] In some embodiments, the pin head 21 is a rigid pin head, that is, the pin head 21 does not deform, so that when the pin head 21 abuts against the elastic sheet 12, it can ensure that the elastic sheet 12 deforms elastically enough to ensure the stability of the locking after the elastic sheet 12 bounces back. In addition, in order to facilitate installation, the fixed pin assembly 2 further comprises a pin seat 22, and the pin head 21 is fixed on the pin seat 22, and the pin seat 22 is provided with a connecting hole, so that the pin seat 22 can be connected to an external component.

[0047] In addition, in order to ensure the stability of the fastening and avoid the pin head 21 from being separated from the elastic sheet 12 unexpectedly, such as Figure 2 As shown, the outer circumferential surface of the pin head 21 is provided with a recessed groove 23, and each clamping segment 121 is provided with a protrusion 123, when the pin head 21 is fixed between the clamping segments 121, the protrusion 123 is embedded in the recessed groove 23, thereby forming a limit and maintaining the stability of the clamping. Exemplarily, the protrusion 123 is formed by bending and recessing the elastic sheet 12, further saving costs. In the present embodiment, the recessed groove 23 is an arc-shaped groove, and the protrusion 123 is an arc-shaped protrusion, which is designed to fit the arc-shaped surface of the arc-shaped groove, so that the contact surface is larger and more secure.

[0048] As shown in Figure 2 In some embodiments, the end of the clamping segment 121 away from the fixed segment 122 extends obliquely in the direction of the clamping segments 121 moving away from each other, so that the end of the clamping segment 121 has an oblique and outward trend, making it easier for the pin head 21 to be inserted between the clamping segments 121 and ensuring smooth insertion. In order to cooperate with the above-mentioned clamping segment 121, the outer surface of the pin head 21 is provided with an inclined guide surface, so that the insertion is more smooth.

[0049] As shown in Figure 4 and Figure 5As shown, the utility model still provides a kind of range hood, it includes body 10 and oil screen 20, one of seat body 11 and pin head 21 is arranged on body 10, and the other is arranged on oil screen 20, to save cost by the above-mentioned dismounting structure on the basis of the quick insertion of oil screen 20 and body 10, simultaneously, the noise generated due to collision can also be reduced.Further, one end of oil screen 20 is provided with fixed pin assembly 2, and accommodating cavity 111 is through cavity, to hold second section 1222 by seat body 11 and body 10 or oil screen 20, and the other end of oil screen 20 is hinged with body 10, to reduce the use amount of dismounting structure, further save cost.

[0050] In the specific content of the above specific embodiment, any non-contradictory combination of technical features can be combined, in order to make the description simple, the above-mentioned each technical feature all possible combination is not described, however, as long as the combination of these technical features does not exist contradiction, should be considered as the scope of the present application.

[0051] The specific content of the above specific embodiment only expresses several implementation modes of the utility model, and the description is more specific and detailed, but it should not be understood as the limitation of the scope of the utility model patent. It should be pointed out that for ordinary skilled in the art, without departing from the concept of the utility model, a number of variations and improvements can be made, which belong to the protection scope of the utility model. Therefore, the protection scope of the utility model patent should be subject to the appended claims.

Claims

1. A knock-down structure characterised in that, The application relates to a lock seat assembly (1) comprising a seat body (11) detachably connected to an external component, the seat body (11) being provided with a receiving cavity (111) with an opening communicating with the outside, and a spring piece (12) arranged in the receiving cavity (111), the spring piece (12) having clamping sections (121). The lock seat assembly (1) further comprises a fixing pin assembly (2) comprising a pin head (21) capable of extending into the receiving cavity (111) through the opening so that the clamping sections (121) clamp and fix the pin head (21). The spring piece (12) has two opposite clamping sections (121) or a plurality of circumferentially distributed clamping sections (121).

2. The detachable structure according to claim 1, wherein The spring piece (12) is made of manganese steel or stainless steel, and / or the pin head (21) is a rigid pin head.

3. The detachable structure according to claim 1, wherein The spring piece (12) has a fixing section (122) connected to the clamping section (121), the fixing section (122) being fixed to the inner wall of the receiving cavity (111), and the end of the clamping section (121) away from the fixing section (122) extending in a direction away from the clamping sections (121) to each other; and / or the outer surface of the pin head (21) is provided with an inclined guide surface.

4. The detachable structure according to claim 1, wherein The receiving cavity (111) is provided with a partition wall (115) forming a seating groove (112) with the inner wall of the receiving cavity (111), at least part of the fixing section (122) being embedded in the seating groove (112), and the clamping section (121) being located outside the seating groove (112).

5. The dismountable structure according to claim 4, wherein The fixing section (122) comprises a first section (1221) connected to the clamping section (121) and a second section (1222) located at the end of the first section (1221) away from the clamping section (121), the first section (1221) being embedded in the seating groove (112), and the second section (1222) being located outside the seating groove (112).

6. The structure of claim 5, wherein The outer circumferential surface of the pin head (21) is provided with a recess groove (23), each clamping section (121) is provided with a protrusion (123) matched with the recess groove (23), and when the clamping section (121) clamps the pin head (21), the protrusion (123) is embedded in the recess groove (23).

7. The detachable structure according to claim 1, wherein The seat body (11) is provided with a clamping protrusion (113).

8. The detachable structure according to claim 1, wherein The lock seat assembly (1) further comprises a limiting piece (13) corresponding to the clamping section (121), the limiting piece (13) being arranged in the receiving cavity (111) and located between the inner wall of the receiving cavity (111) and the clamping section (121), and the limiting piece (13) being capable of blocking the clamping sections (121) from moving away from each other.

9. The knock-down structure according to any one of claims 1 to 8, wherein ​ 10. A hood comprising a body (10) and a grease screen (20), characterized in that Also included is a disassembly structure as claimed in any of the claims from 1 to 9, one of said seat (11) and said pin head (21) being provided on said machine body (10) and the other on said oil filter (20).

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