Detachable outer shell of chain saw

Abstract

The detachable outer shell comprises an outer shell body, an air filter cover is detachably connected to the upper portion of the outer shell body, a buckling cover is rotationally connected to the outer shell body, a fixing protruding block is arranged on the air filter cover, a fixing groove is formed in the buckling cover, and the fixing groove is connected with the fixing protruding block in a clamped mode. According to the air filter shell, the shell body and the air filter cover are separated, so that the shell body and the air filter cover can be in a detachable state, the shell body is rotationally connected with the buckling cover, the buckling cover can rotate relative to the shell body, the buckling cover can restrain the air filter cover, and due to the fact that the shell body and the air filter cover are connected in a clamped mode, separation is easy and convenient; and the maintenance efficiency of the air filter element is improved.

Description

Technical Field

[0001] The utility model relates to the technical field of chain saws, in particular to a detachable outer shell of a chain saw. Background Art

[0002] An air filter is provided inside the chainsaw, through which air is filtered, and the air filter requires regular maintenance to ensure the quality of filtration. However, current chainsaws cannot quickly remove the air filter, which affects the convenience and efficiency of maintenance and indirectly reduces the user's willingness to maintain the air filter.

[0003] For example, the publication number "CN218947924U" discloses "a gasoline saw device capable of automatically adjusting the tension of a chain", comprising a first housing, the front of the first housing being slidably connected to a second housing, the interior of the first housing being slidably connected to a support plate, the interior of the support plate being provided with a fixing groove, the interior of the second housing being rotatably connected to a threaded rod, the circumferential surface of the threaded rod being threadedly connected to a moving block, one end of the moving block being fixedly connected to a fixing rod, and one end of the fixing rod extending to the interior of the fixing groove, the interior of the second housing being provided with a transmission mechanism, the threaded rod being intermittently rotated by the transmission mechanism, the interior of the second housing being provided with a fixing mechanism, and the first housing being fixedly connected to the second housing through the fixing mechanism. In practical applications, it is inconvenient to disassemble the housing, and the efficiency of maintaining the air filter is low. Summary of the invention

[0004] In view of the problem of low efficiency in maintaining air filter elements in the prior art mentioned in the background technology, the utility model provides a detachable outer shell of a chainsaw, which can improve the convenience of disassembly, improve maintenance efficiency, and facilitate maintenance of the air filter element.

[0005] To achieve the above purpose, the utility model adopts the following technical solutions.

[0006] A detachable outer shell of a chain saw includes an outer shell body, an air filter cover is detachably connected to the upper part of the outer shell body, a buckle cover is rotatably connected to the outer shell body, a fixing protrusion is provided on the air filter cover, a fixing groove is provided on the buckle cover, and the fixing groove is connected by snapping with the fixing protrusion. In the present application, the outer shell body and the air filter cover are separated so that the two can form a detachable state, the buckle cover is rotatably connected to the outer shell body, the buckle cover can rotate relative to the outer shell body, a fixing groove is provided on the buckle cover, and a fixing protrusion is correspondingly provided on the air filter cover, wherein the fixing protrusion can be snap-connected to the fixing groove, so that the buckle cover can form a restraining effect on the air filter cover, and since the two are snap-connected, the separation is relatively simple and convenient, thereby improving the maintenance efficiency of the air filter element.

[0007] Preferably, the shell body is provided with a mounting groove, the mounting groove is connected with a rotating shaft, and the rotating shaft is rotatably connected to the buckle cover. The shell body is provided with a mounting groove, the mounting groove is provided with a rotating shaft, and the rotating shaft is rotatably connected to the buckle cover, and the buckle cover rotates relative to the shell body by rotating, thereby improving the convenience and fluency of operation.

[0008] Preferably, the buckle cover includes a pull plate, the pull plate is tilted away from one side of the air filter cover, and a gap is left between the pull plate and the air filter cover. The buckle cover is provided with a pull plate, and a gap is left between the pull plate and the air filter cover, so that the user can pull it easily.

[0009] Preferably, the pull plate is tilted and tilted, and the pull plate is formed with a pull inclined surface. Since the pull plate is tilted and tilted, the pull inclined surface is formed on the pull plate, which is convenient for the user to exert force during the pulling process and also convenient for the user to exert force during the process of pressing the buckle cover.

[0010] Preferably, the air filter cover is provided with a groove on one side close to the buckle cover, the groove is provided below the buckle cover, and a gap is left between the groove and the buckle cover. The air filter cover is provided with a groove on one side close to the buckle cover, wherein the groove is provided below the buckle cover. Due to the existence of the groove, the gap below the buckle cover is enlarged, thereby facilitating the user to operate. At the same time, the groove facilitates the user to quickly find the positioning point and the support line on the air filter cover, and limits the position when the user moves his fingers.

[0011] Preferably, the groove is provided with a guide slope on the side away from the buckle cover, and a limit surface is provided on the side of the groove close to the buckle cover. The groove is provided with a guide slope on the side away from the buckle cover, wherein the guide slope can provide a smooth positioning effect for the user and avoid scratching the user, and the limit surface provided on the other side of the groove can provide the user with in-position feedback, and when the user's finger contacts the limit surface, the finger is prevented from continuing to move and the finger is prevented from being pinched.

[0012] Preferably, the buckle cover includes a locking part and a supporting part, the supporting part is rotatably connected to the shell body, the locking part is arranged on the side of the supporting part away from the shell body, and the locking part and the supporting part are bent. The buckle cover includes a locking part and a supporting part, wherein a fixing groove is arranged on the locking part, the locking part is connected to the air filter cover, and the supporting part is rotatably connected to the shell body, and the two are bent to ensure tightness of the fit.

[0013] Preferably, the support portion is provided with a plurality of support ribs, which can improve the strength of the cover and increase the friction force, so that the cover can be prevented from being sunken after multiple presses during use, and can effectively limit the position where the user presses to prevent sliding.

[0014] Preferably, a return hook is provided on the side of the support portion close to the shell body, a rotating shaft is provided on the shell body, the return hook is engaged with the rotating shaft, and the return hook includes an elastic shrink opening. A return hook is provided on the support portion close to the shell body, the return hook is provided with an elastic shrink opening, and the return hook can be engaged and rotated through the elastic shrink opening, and the rotation is formed. Due to the restriction of the elastic shrink opening, it can be ensured that the return hook will not fall off the rotating shaft, and it can be easily installed.

[0015] Preferably, the air filter cover is provided with two limiting guide plates on one side close to the buckle cover, the bottom edge of the limiting guide plates is in contact with the shell body, and the buckle cover is provided between the two limiting guide plates. A limiting guide plate is provided on one side of the air filter cover close to the buckle cover, wherein the limiting guide plate can provide a certain guiding effect for the movement of the buckle cover, and can form a limiting constraint between the buckle cover and the buckle cover after the buckle cover is rotated into place, thereby further improving the stability of the air filter cover.

[0016] The beneficial effects of the utility model are as follows:

[0017] (1) It can improve the efficiency of disassembly and assembly of the air filter cover and ensure the connection stability of the air filter cover;

[0018] (2) It can facilitate users to operate and improve the fluency of operation;

[0019] (3) It can improve assembly efficiency and ensure the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is an axonometric drawing of the utility model.

[0021] Figure 2 This is the first exploded view of the present invention.

[0022] Figure 3 This Figure 1 Schematic diagram of a section of the hollow filter cover.

[0023] Figure 4 This is the second exploded view of the present invention.

[0024] Figure 5 yes Figure 1 Axonometric view of the center buckle cover.

[0025] In the figure:

[0026] 1 housing body, 11 mounting slot, 12 rotating shaft;

[0027] 2 air filter cover, 21 fixing protrusion, 22 recessed groove, 23 guide inclined surface, 24 limiting surface, 25 limiting guide plate, 26 clamping plate, 27 clamping edge;

[0028] 3 buckle cover, 31 fixing groove, 32 pull plate, 321 pull inclined surface, 33 locking part, 34 supporting part, 341 supporting rib, 35 return bending hook, 351 elastic shrinkage mouth. DETAILED DESCRIPTION

[0029] The utility model is further described below in conjunction with the accompanying drawings and specific embodiments.

[0030] Embodiment 1:

[0031] like Figure 1 As shown, a detachable outer shell of a chain saw includes an outer shell body 1, an air filter cover 2 is detachably connected to the upper part of the outer shell body 1, a buckle cover 3 is rotatably connected to the outer shell body 1, a fixing protrusion 21 is provided on the air filter cover 2, and a fixing groove 31 is provided on the buckle cover 3, and the fixing groove 31 is engaged and connected with the fixing protrusion 21. In the present application, the outer shell body 1 and the air filter cover 2 are separated so that the two can form a detachable state, the buckle cover 3 is rotatably connected to the outer shell body 1, the buckle cover 3 can rotate relative to the outer shell body 1, the buckle cover 3 is provided with a fixing groove 31, and the air filter cover 2 is correspondingly provided with a fixing protrusion, wherein the fixing protrusion can be engaged and connected with the fixing groove 31, so that the buckle cover 3 can form a restraining effect on the air filter cover 2, and because the two are engaged and connected, the separation is relatively simple and convenient, and the maintenance efficiency of the air filter element is improved.

[0032] Embodiment 2:

[0033] like Figure 1 , 2 As shown, a detachable outer shell of a chain saw includes an outer shell body 1, an air filter cover 2 is detachably connected to the upper part of the outer shell body 1, a buckle cover 3 is rotatably connected to the outer shell body 1, a fixing protrusion 21 is provided on the air filter cover 2, and a fixing groove 31 is provided on the buckle cover 3, and the fixing groove 31 is engaged and connected with the fixing protrusion 21. An installation groove 11 is provided on the outer shell body 1, and a rotating shaft 12 is connected to the installation groove 11, and the rotating shaft 12 is rotatably connected to the buckle cover 3. The buckle cover 3 includes a trigger plate 32, and the trigger plate 32 is tilted away from the side of the air filter cover 2, and a gap is left between the trigger plate 32 and the air filter cover 2. The trigger plate 32 tilts up, and the trigger plate 32 forms a triggering inclined surface 321. A recessed groove 22 is provided on the side of the air filter cover 2 close to the buckle cover 3, and the recessed groove 22 is arranged below the buckle cover 3, and a gap is left between the recessed groove 22 and the buckle cover 3.

[0034] like Figure 3 , 4As shown in Figures 5 and 6, a guide slope 23 is provided on the side of the groove 22 away from the buckle cover 3, and a limited surface 24 is provided on the side of the groove 22 close to the buckle cover 3. The buckle cover 3 includes a locking portion 33 and a supporting portion 34, the supporting portion 34 is rotatably connected to the shell body 1, the locking portion 33 is arranged on the side of the supporting portion 34 away from the shell body 1, and the locking portion 33 and the supporting portion 34 are bent. A plurality of supporting ribs 341 are provided on the supporting portion 34. A return hook 35 is provided on the side of the supporting portion 34 close to the shell body 1, a rotating shaft 12 is provided on the shell body 1, the return hook 35 is engaged with the rotating shaft 12, and the return hook 35 includes an elastic shrinkage port 351. Two limiting guide plates 25 are provided on the side of the air filter cover 2 close to the buckle cover 3, the bottom edge of the limiting guide plate 25 is in contact with the shell body 1, and the buckle cover 3 is arranged between the two limiting guide plates 25.

[0035] In this embodiment, the shell body 1 and the air filter cover 2 are separated so that the two can form a detachable state, and the buckle cover 3 is rotatably connected on the shell body 1, and the buckle cover 3 can rotate relative to the shell body 1, and a fixing groove 31 is provided on the buckle cover 3, and a fixing protrusion is correspondingly provided on the air filter cover 2, wherein the fixing protrusion can be engaged with the fixing groove 31, so that the buckle cover 3 can form a restraining effect on the air filter cover 2. Since the two are engaged, the separation is relatively simple and convenient, which improves the maintenance efficiency of the air filter element.

[0036] Preferably, a mounting groove 11 is provided on the shell body 1, and a rotating shaft 12 is provided on the mounting groove 11. The rotating shaft 12 is rotatably connected to the buckle cover 3, and the buckle cover 3 rotates relative to the shell body 1, thereby improving the convenience and smoothness of operation.

[0037] Preferably, a pull plate 32 is provided on the buckle cover 3, and a gap is left between the pull plate 32 and the air filter cover 2 to facilitate the user to pull.

[0038] Preferably, the pull plate 32 is tilted and tilted, so an inclined pull surface 321 is formed on the pull plate 32 to facilitate the user to exert force during the pulling process and to facilitate the user to exert force during the process of pressing the buckle cover 3.

[0039] Preferably, a groove 22 is provided on one side of the air filter cover 2 close to the buckle cover 3, wherein the groove 22 is provided below the buckle cover 3. Due to the presence of the groove 22, the gap below the buckle cover 3 is enlarged, thereby facilitating the operation of the user. At the same time, the groove 22 can facilitate the user to quickly find the positioning point and the support line on the air filter cover 2, and limit the position of the user by moving his fingers.

[0040] Preferably, a guide slope 23 is provided on the side of the groove 22 away from the buckle cover 3, wherein the guide slope 23 can provide a smooth positioning effect for the user and avoid scratching the user, and the limiting surface 24 provided on the other side of the groove 22 can provide the user with positioning feedback, and when the user's finger abuts against the limiting surface 24, the finger is prevented from continuing to move and the finger is prevented from being pinched.

[0041] Preferably, the buckle cover 3 includes a locking portion 33 and a supporting portion 34, wherein a fixing groove is provided on the locking portion 33, the locking portion 33 is connected to the air filter cover 2, and the supporting portion 34 is rotatably connected to the outer shell body 1, and the two are bent to ensure the tightness of the fit.

[0042] Preferably, support ribs 341 are provided, which can improve the strength of the result and increase the friction. During use by the user, it can avoid the buckle cover 3 from being dented after multiple presses, and at the same time, it can form an effective limiting effect on the user's pressing point to avoid sliding.

[0043] Preferably, a return hook 35 is provided on the support portion 34 near the shell body 1, and an elastic shrinkage opening 351 is provided on the return hook 35. The elastic shrinkage opening 351 can be engaged and connected to rotate, and rotation is formed. Due to the limitation of the elastic shrinkage opening 351, the return hook 35 will not fall off the rotating shaft 12, and can be easily installed.

[0044] Preferably, a limiting guide plate 25 is provided on the side of the air filter cover 2 close to the buckle cover 3, wherein the limiting guide plate 25 can provide a certain guiding effect for the movement of the buckle cover 3, and can form a limiting constraint between the buckle cover 3 after the buckle cover 3 is rotated into place, thereby further improving the stability of the air filter cover 2.

[0045] The assembly and working process of the detachable outer shell of the chain saw in this embodiment are as follows: in this embodiment, it includes an outer shell body 1, an opening is arranged on the upper part of the outer shell body 1, wherein the air filter element of the chain saw is arranged inside the opening, an air filter cover 2 is arranged on the upper part of the outer shell body 1, wherein a clamping plate 26 is arranged on the air filter cover 2, and a clamping groove corresponding to the clamping plate 26 is arranged on the outer shell body 1, and the clamping groove is engaged with the clamping plate 26 to form a limiting and preliminary positioning effect on the air filter cover 2, wherein the edge of the air filter cover 2 is provided with a circle of shrinking clamping edge 27 structure, which can be engaged with the opening of the outer shell body 1 A groove is provided around the edge of the opening, and the groove can be engaged with the card edge 27, so as to achieve effective fixation of the air filter cover 2. A fixing protrusion 21 is provided on the air filter cover 2, and an even mounting groove 11 is provided on the side of the shell body 1, and a rotating shaft 12 is provided in the mounting groove 11, and a buckle cover 3 is rotatably connected to the rotating shaft 12, and the buckle cover 3 includes a locking portion 33 and a supporting portion 34, wherein the locking portion 33 and the supporting portion 34 are bent, and a fixing groove 31 is provided on the locking portion 33, and the fixing groove 31 can be engaged with the fixing protrusion 21, thereby forming a limiting effect on the fixing protrusion 21.

[0046] The locking portion 33 is provided with a pull plate 32 on one side away from the supporting portion 34 in the present embodiment, wherein the pull plate 32 is tilted upward, and the tilting of the pull plate 32 is tilted obliquely, and the pull plate 32 forms a pull inclined surface 321, wherein a gap is formed between the pull plate 32 and the air filter cover 2, the pull plate 32 is expanded, and a recessed groove 22 is provided on the air filter cover 2, and the recessed groove 22 is partially provided below the pull plate 32, thereby increasing the gap distance between the pull plate 32 and the pull plate 32, so that the user can have sufficient pull space, wherein the recessed groove 22 is provided on the bottom of the pull plate 32, and ... A guide slope 23 is provided on the side of the groove 22 away from the buckle cover 3, and a limiting surface 24 is provided on the side of the groove 22 close to the buckle cover 3, wherein the guide slope 23 can provide guidance, and the limiting surface 24 can give the user feedback of the position; a plurality of vertically extending support ribs 341 are provided on the support portion 34 of the buckle cover 3, wherein the support ribs 341 can provide effective support and improve the structural strength. When the user pulls the buckle cover 3, the thumb can abut the support portion 34, which can also provide an anti-slip effect and prevent depression when pressed.

[0047] Furthermore, a return hook 35 is also provided at the end of the support portion 34, wherein the return hook 35 includes an elastic shrinkage opening 351, and the elastic shrinkage opening 351 can be engaged with the connecting shaft 12, and will not fall off the rotating shaft 12 without the action of external force, thereby ensuring the convenience and stability of the connection. Two limiting guide plates 25 are provided on the side of the air filter cover 2 close to the buckle cover 3, wherein the buckle cover 3 is arranged between the limiting guide plates 25, so that the limiting guide plates 25 can provide a guiding function for the buckle cover 3, and realize an engaging constraint with the buckle cover 3 to ensure stability.

[0048] The locking plate 321 is then pressed against the locking cam 322 to lock the air filter cover 2 and the air filter cover 2 is then unlocked. In this embodiment, the above-mentioned setting method can improve the efficiency of disassembly and assembly of the air filter cover, ensure the connection stability of the air filter cover; facilitate the user to operate and improve the smoothness of operation; improve the assembly efficiency and ensure the stability of the device.

Claims

1. A detachable outer shell of a chain saw, characterized in that: The invention comprises a shell body (1), an air filter cover (2) is detachably connected to the upper part of the shell body (1), a buckle cover (3) is rotatably connected to the shell body (1), a fixing protrusion (21) is arranged on the air filter cover (2), a fixing groove (31) is arranged on the buckle cover (3), and the fixing groove (31) is snap-fitted and connected to the fixing protrusion (21).

2. The detachable outer shell of a chainsaw according to claim 1, characterized in that: The housing body (1) is provided with a mounting groove (11), the mounting groove (11) is connected with a rotating shaft (12), and the rotating shaft (12) is rotatably connected to the buckle cover (3).

3. The detachable outer shell of a chainsaw according to claim 1, characterized in that: The buckle cover (3) comprises a pull plate (32), the pull plate (32) is tilted away from one side of the air filter cover (2), and a gap is left between the pull plate (32) and the air filter cover (2).

4. The detachable outer shell of a chainsaw according to claim 3, characterized in that: The pull plate (32) is tilted and tilted, and the pull plate (32) is formed with a pull inclined surface (321).

5. The detachable outer shell of a chainsaw according to claim 3, characterized in that: A recessed groove (22) is provided on one side of the air filter cover (2) close to the buckle cover (3); the recessed groove (22) is provided below the buckle cover (3); and a gap is left between the recessed groove (22) and the buckle cover (3).

6. A detachable outer shell of a chainsaw according to claim 5, characterized in that: A guiding inclined surface (23) is provided on the side of the recess (22) away from the buckle cover (3), and a limiting surface (24) is provided on the side of the recess (22) close to the buckle cover (3).

7. A detachable outer shell of a chainsaw according to any one of claims 1 to 6, characterized in that: The buckle cover (3) comprises a locking portion (33) and a supporting portion (34); the supporting portion (34) is rotatably connected to the shell body (1); the locking portion (33) is arranged on a side of the supporting portion (34) away from the shell body (1); and the locking portion (33) and the supporting portion (34) are arranged in a bent state.

8. The detachable outer shell of a chainsaw according to claim 7, characterized in that: A plurality of supporting ribs (341) are arranged on the supporting portion (34).

9. The detachable outer shell of a chainsaw according to claim 7, characterized in that: The support portion (34) is provided with a recurving hook (35) on one side close to the outer shell body (1); a rotating shaft (12) is provided on the outer shell body (1); the recurving hook (35) is engaged with the rotating shaft (12); and the recurving hook (35) includes an elastic shrinkage opening (351).

10. A detachable outer shell of a chainsaw according to any one of claims 1 to 6, characterized in that: Two limiting guide plates (25) are arranged on one side of the air filter cover (2) close to the buckle cover (3); the bottom edge of the limiting guide plate (25) is in contact with the shell body (1); and the buckle cover (3) is arranged between the two limiting guide plates (25).

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