Clamping combination structure of closed cavity composite part

Abstract

The utility model relates to the technical field of closed cavity composite parts, and discloses a clamping combination structure of a closed cavity composite part, which solves the problems that the existing closed cavity composite part is usually fixed by adopting a large number of bolts, the installation is very inconvenient due to the use of the large number of bolts, and the installation efficiency is reduced due to the need of repeatedly screwing by adopting a tool. The shell comprises a first shell body, a second shell body is arranged on one side of the first shell body, a plurality of clamping grooves are formed in the side, close to the second shell body, of the first shell body, clamping teeth corresponding to the clamping grooves are formed in the side, close to the first shell body, of the second shell body, and the clamping teeth are clamped in the clamping grooves. Connectors are fixedly mounted on the two sides of the inner walls of the two ends of the first shell correspondingly, butt joint blocks are fixedly mounted at one ends of the connectors correspondingly, and inserting holes are formed in the middles of the four butt joint blocks correspondingly; the closed cavity composite part is very convenient to install, external tools do not need to be adopted for cooperation, and the installation efficiency is improved.

Description

TECHNICAL FIELD

[0001] The utility model belongs to closed cavity composite part technical field, specifically is a kind of closed cavity composite part's clamping combination structure. BACKGROUND

[0002] The clamping combination structure of closed cavity composite part refers to the connection of two or more composite parts with closed cavity by clamping, forming a stable and reliable overall structure;The composite part has a closed cavity structure, which helps to enhance the strength and stiffness of the part, while reducing the overall weight;Since composite materials have different physical and chemical properties, when designing the clamping combination structure, it is necessary to ensure that the selected composite materials have good compatibility and adhesion;This helps to ensure that the connection between parts is firm and not easy to fall off;The clamping combination structure of closed cavity composite part is an efficient and reliable connection method, suitable for various applications requiring lightweight, high strength and good durability;The existing closed cavity composite part is usually fixed by a large number of bolts, which makes installation very inconvenient, and requires the use of tools to tighten repeatedly, reducing installation efficiency. SUMMARY

[0003] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a clamping combination structure of closed cavity composite part, which effectively solves the problem that the existing closed cavity composite part is usually fixed by a large number of bolts, which makes installation very inconvenient, and requires the use of tools to tighten repeatedly, reducing installation efficiency.

[0004] In order to achieve the above object, the utility model provides the following technical scheme: a kind of clamping combination structure of closed cavity composite part, first shell is equipped with second shell in one side of the first shell, first shell is equipped with a plurality of clamping grooves in one side close to second shell, second shell is equipped with the clamping tooth corresponding with a plurality of clamping grooves in one side close to first shell, a plurality of clamping tooth is clamped in the inside of a plurality of clamping grooves, connecting head is fixedly installed in the both sides of the inner wall of both ends of first shell, the one end of connecting head is fixedly installed with butt block, the middle part of four butt blocks is equipped with insertion hole, the one end of four butt blocks is equipped with two limit grooves, the inner wall of four insertion holes is equipped with two insertion slots symmetrically, the four corners of second shell away from first shell side are fixedly installed with protective cover, the side of protective cover is equipped with protective door, the side of protective door is fixedly installed with pull handle, the both sides of four protective doors are fixedly installed with connecting block, the one end of connecting block away from protective door is fixedly installed with limit sleeve, limit sleeve is inserted with limit rod in the inside, the both ends of eight limit rods are fixedly installed with support frame, the one end of support frame is fixedly connected with protective cover respectively, the surface of limit rod is equipped with reset spring, the both ends of reset spring are fixedly connected with limit sleeve and support frame respectively, the inside of protective cover is equipped with adjusting rod, the side of four adjusting rods is equipped with elastic clamping assembly, four elastic clamping assemblies are fixed by controlling four adjusting rods to the first shell and second shell.

[0005] Preferably, the four elastic clamping assemblies each include an insertion rod, the four insertion rods are inserted between the four protective covers and the second shell, one end of the four insertion rods is fixedly connected with one side of the four adjusting rods, the one end of the insertion rod away from the adjusting rod is fixedly installed with two limit blocks symmetrically, the four insertion rods are inserted in the inside of the four insertion holes, the eight limit blocks are installed in the inside of the eight insertion slots, the eight limit blocks are matched with the eight limit slots.

[0006] Preferably, the surface of the insertion rod is rotatably installed with a rotating shaft sleeve in the middle part, the surface of the four rotating shaft sleeves is fixedly installed with two support rods symmetrically, the one end of the support rod away from the rotating shaft sleeve is fixedly installed with a sliding sleeve.

[0007] Preferably, the inside of the sliding sleeve is inserted with a sliding rod, one end of the sliding rod is fixedly connected with the inner wall of the second shell, the surface of the sliding rod is sleeved with a telescopic spring, the both ends of the telescopic spring are fixedly connected with the sliding sleeve and the sliding rod respectively.

[0008] Compared with the prior art, the beneficial effects of the utility model are that: when installing, the operator clamps the plurality of clamping teeth on the second shell into the plurality of clamping grooves on the first shell for positioning, and then the operator sequentially opens the four protective doors by pulling the four pull handles, the four protective doors are moved by the two connecting blocks driving the two limiting sleeves to slide along the surfaces of the two limiting rods, and simultaneously extruding the return springs, so that the four protective doors have the elastic return effect while ensuring the stability of the movement of the four protective doors;

[0009] After the four protective doors are sequentially opened, the operator sequentially pushes the four adjusting rods, the adjusting rods are driven to move by the inserted rods, the inserted rods are driven to move by the rotating shaft sleeves driving the two supporting rods to move, the supporting rods are driven to slide along the surfaces of the sliding rods by the sliding sleeves, and simultaneously extruding the telescopic springs, so that the inserted rods have the elastic return effect while ensuring the stability of the movement of the inserted rods, the inserted rods are driven to move by the limiting blocks moving to the outside of the abutting blocks, and then the operator sequentially drives the inserted rods to rotate 90° in the rotating shaft sleeves by the four adjusting rods, and then the operator releases the four adjusting rods, so that the inserted rods are driven to move and reset by the elastic force of the telescopic springs, thereby driving the limiting blocks to clamp into the limiting grooves for limiting installation, and then the operator sequentially releases the four pull handles, so that the four protective doors are driven to move and reset by the elastic force of the return springs, thereby the first shell and the second shell can be quickly and conveniently fixed and installed; the closed cavity composite part is very convenient to install without the need of external tools, and the installation efficiency is improved. BRIEF DESCRIPTION OF DRAWINGS

[0010] The accompanying drawings are used to provide a further understanding of the utility model, and constitute a part of the specification, and are used to explain the utility model together with embodiments of the utility model, and do not constitute limitations on the utility model.

[0011] In the drawings:

[0012] Figure 1 It is the structure diagram of the utility model closed cavity composite part's clamping combination structure Figure 1 ;

[0013] Figure 2 It is the structure diagram of the utility model closed cavity composite part's clamping combination structure Figure 2 ;

[0014] Figure 3 It is the structure diagram of the utility model closed cavity composite part's clamping combination structure Figure 3 ;

[0015] Figure 4 It is the structure diagram of the utility model closed cavity composite part's clamping combination structure Figure 4 ;

[0016] Figure 5 For the utility model Figure 2 The protective cover internal structure schematic view of the utility model is shown in the figure.

[0017] Figure 6 For the utility model Figure 3 The protective cover internal structure schematic view of the utility model is shown in the figure.

[0018] Figure 7 For the utility model Figure 4 The protective cover internal structure schematic view of the utility model is shown in the figure.

[0019] Figure 8 For the utility model

[0020] In the figure: 1, first shell;2, second shell;3, pawl;4, card slot;5, butt joint block;6, jack;7, limit slot;8, protective cover;9, protective door;10, connecting block;11, limit sleeve;12, limit rod;13, support frame;14, reset spring;15, plug rod;16, adjusting rod;17, limit block;18, support rod;19, sliding sleeve;20, rotating shaft sleeve;21, sliding rod;22, telescopic spring;23, connector;24, insertion slot;25, pull handle. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the utility model.

[0022] By Figures 1 to 8The utility model provides a first casing 1, the one side of first casing 1 is equipped with the second casing 2, first casing 1 is close to the one side of second casing 2 and is equipped with a plurality of clamping groove 4, the one side of second casing 2 is close to first casing 1 and is equipped with the clamping tooth 3 corresponding with a plurality of clamping groove 4, a plurality of clamping tooth 3 is connected in the inside of a plurality of clamping groove 4, the both sides of the both ends inner wall of first casing 1 are all fixedly installed with the connecting head 23, the one end of connecting head 23 is all fixedly installed with the butt joint block 5, the middle part of four butt joint blocks 5 is all equipped with the jack 6, the one end of four butt joint blocks 5 is all equipped with two limit slots 7, the inner wall of four jack 6 is all equipped with two insertion slot 24, the four corners of second casing 2 away from first casing 1 side are all fixedly installed with the protective cover 8, the one side of protective cover 8 is all equipped with the protective door 9, the one side of protective door 9 is all fixedly installed with the pull handle 25, the both sides of four protective doors 9 are all fixedly installed with the connecting block 10, the one end of connecting block 10 away from protective door 9 is all fixedly installed with the limit sleeve 11, the inside of limit sleeve 11 is all inserted with the limit rod 12, the both ends of eight limit rods 12 are all fixedly installed with the support frame 13, the one end of support frame 13 is all respectively with protective cover 8 fixed connection, the surface of limit rod 12 is all equipped with the reset spring 14, the both ends of reset spring 14 are all respectively with limit sleeve 11 and support frame 13 fixed connection, the inside of protective cover 8 is all equipped with the adjusting rod 16, the one side of four adjusting rods 16 is all equipped with the elastic clamping assembly, through control four adjusting rods 16 can adjust four elastic clamping assemblies to first casing 1 and second casing 2 are clamped and fixed.

[0023] When installing, the operator positions the plurality of clamping teeth 3 on the second casing 2 into the plurality of clamping grooves 4 on the first casing 1, and then the operator sequentially opens the four protective doors 9 by pulling the four pull handles 25, and the four protective doors 9 are moved by the two connecting blocks 10 driving the two limit sleeves 11 to slide along the surfaces of the two limit rods 12 and simultaneously compress the reset springs 14, so that the four protective doors 9 are stably moved and have the elastic reset effect; after the four protective doors 9 are sequentially opened, the operator sequentially drives the four elastic clamping assemblies to rotate by the four adjusting rods 16, and the four elastic clamping assemblies are clamped into the limit slots 7 for limiting installation, and then the operator sequentially releases the four pull handles 25, so that the four protective doors 9 are moved and reset to be closed under the elastic force of the reset springs 14, and the first casing 1 and the second casing 2 can be quickly and conveniently fixed and installed; the closed cavity composite part is very convenient to install without the need for external tools, and the installation efficiency is improved.

[0024] The four elastic clamping assemblies each comprise an insertion rod 15, the four insertion rods 15 are inserted between the four protective covers 8 and the second shell 2, one end of the four insertion rods 15 is fixedly connected with one side of the four adjusting rods 16, two limiting blocks 17 are symmetrically and fixedly installed at the end of the insertion rod 15 away from the adjusting rod 16, the four insertion rods 15 are inserted in the four insertion holes 6, eight limiting blocks 17 are installed in the eight insertion grooves 24, the eight limiting blocks 17 are matched with the eight limiting grooves 7; the middle part of the surface of the insertion rod 15 is rotatably installed with a rotating shaft sleeve 20, the surface of the four rotating shaft sleeves 20 is symmetrically and fixedly installed with two supporting rods 18, one end of the supporting rod 18 away from the rotating shaft sleeve 20 is fixedly installed with a sliding sleeve 19; the inside of the sliding sleeve 19 is inserted with a sliding rod 21, one end of the sliding rod 21 is fixedly connected with the inner wall of the second shell 2, the surface of the sliding rod 21 is sleeved with an elastic spring 22, both ends of the elastic spring 22 are respectively fixedly connected with the sliding sleeve 19 and the sliding rod 21.

[0025] The operator pushes the four adjusting rods 16 in turn, when the adjusting rod 16 is pushed, the insertion rod 15 is moved, when the insertion rod 15 is moved, the two supporting rods 18 are moved through the rotating shaft sleeve 20, when the supporting rod 18 is moved, the sliding sleeve 19 is slid along the surface of the sliding rod 21, and the elastic spring 22 is pressed at the same time, so that the insertion rod 15 has the elastic reset effect while ensuring the stability of the movement of the insertion rod 15, when the insertion rod 15 is pushed and moved, the limiting block 17 is moved to the outside of the butt joint block 5, then the operator drives the insertion rod 15 to rotate 90° in the rotating shaft sleeve 20 through the four adjusting rods 16 in turn, then the operator releases the four adjusting rods 16, so that the insertion rod 15 is moved and reset under the elastic force of the elastic spring 22, so as to drive the limiting block 17 to be clamped into the inside of the limiting groove 7 and be limitedly installed.

Claims

1. A snap-fit assembly for closing a composite part of a cavity, comprising a first shell (1), characterized in that: The side of the first shell (1) is provided with a second shell (2), the side of the first shell (1) close to the second shell (2) is provided with a plurality of clamping grooves (4), the side of the second shell (2) close to the first shell (1) is provided with a plurality of clamping teeth (3) corresponding to the plurality of clamping grooves (4), the plurality of clamping teeth (3) are clamped in the plurality of clamping grooves (4), the two sides of the inner wall of the two ends of the first shell (1) are fixedly installed with connecting heads (23), one end of the connecting head (23) is fixedly installed with a butt block (5), the middle of the four butt blocks (5) is provided with a jack (6), one end of the four butt blocks (5) is provided with two limiting grooves (7), the inner wall of the four jack (6) is provided with two insertion grooves (24) symmetrically, the four corners of the side of the second shell (2) away from the first shell (1) are fixedly installed with a protective cover (8), the side of the protective cover (8) is provided with a protective door (9), the side of the protective door (9) is fixedly installed with a pull handle (25), the two sides of the four protective doors (9) are fixedly installed with a connecting block (10), one end of the connecting block (10) away from the protective door (9) is fixedly installed with a limiting sleeve (11), the limiting sleeve (11) is inserted with a limiting rod (12), the two ends of the eight limiting rods (12) are fixedly installed with a support frame (13), one end of the support frame (13) is fixedly connected with the protective cover (8) respectively, the surface of the limiting rod (12) is provided with a reset spring (14), the two ends of the reset spring (14) are fixedly connected with the limiting sleeve (11) and the support frame (13) respectively, the inside of the protective cover (8) is provided with an adjusting rod (16), one side of the four adjusting rods (16) is provided with an elastic clamping assembly, the four elastic clamping assemblies can be clamped and fixed to the first shell (1) and the second shell (2) by controlling the four adjusting rods (16).

2. A clamping assembly for closing a cavity in a composite part according to claim 1, wherein: The four elastic clamping assemblies all include an insertion rod (15), the four insertion rods (15) are inserted between the four protective covers (8) and the second shell (2), one end of the four insertion rods (15) is fixedly connected with one side of the four adjusting rods (16), one end of the insertion rod (15) away from the adjusting rod (16) is fixedly installed with two limiting blocks (17) symmetrically, the four insertion rods (15) are inserted in the four jack (6), the eight limiting blocks (17) are installed in the eight insertion grooves (24), the eight limiting blocks (17) are matched with the eight limiting grooves (7).

3. A clamping assembly for closing a cavity in a composite part according to claim 2, wherein: The middle of the surface of the insertion rod (15) is rotatably installed with a rotating shaft sleeve (20), the surface of the four rotating shaft sleeves (20) is fixedly installed with two supporting rods (18) symmetrically, one end of the supporting rod (18) away from the rotating shaft sleeve (20) is fixedly installed with a sliding sleeve (19).

4. The clamping assembly of claim 3, wherein: The inside of the sliding sleeve (19) is inserted with a sliding rod (21), one end of the sliding rod (21) is fixedly connected with the inner wall of the second shell (2), the surface of the sliding rod (21) is provided with a telescopic spring (22), the two ends of the telescopic spring (22) are fixedly connected with the sliding sleeve (19) and the sliding rod (21) respectively.

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