阅读说明：本技术 高效装配空调风机箱体 (High-efficiency assembled air conditioner fan box ) 是由 鲁柏鑫 鲁雷杰 鲁锋杰 于 2019-09-25 设计创作，主要内容包括：本发明涉及一种高效装配空调风机箱体,其包括立方体的框架、面板,框架形成用于嵌设面板的框面,框架包括三通件和边框条,各边框条均设有朝框面内延伸并对框面内面板内侧面形成限位的衬板,衬板与面板之间通过松紧调节锁连接形成可卸式结构。松紧调节锁包括锁体、锁芯、旋转伸缩机构、旋转锁舌,当锁芯联动旋转伸缩机构带动旋转锁舌转动至其中一个限位端时,旋转锁舌与框面内的衬板背侧面抵紧,该抵紧力使面板与衬板形成夹紧固定；当联动旋转锁舌转动至另一个限位端时,旋转锁舌解除与框面内衬板背侧面的抵紧,并旋转脱离衬板背侧面,解除面板与框架的夹紧。通过上述结构,免去了检修门和把手的安装,装配省时省力的同时,便于包装和运输。(The invention relates to an efficient assembling air-conditioning fan box body which comprises a cubic framework and a panel, wherein the framework forms a frame surface for embedding the panel, the framework comprises a three-way piece and side frame strips, each side frame strip is provided with a lining plate which extends towards the inside of the frame surface and limits the inner side surface of the panel in the frame surface, and the lining plates and the panel are connected through a tightness adjusting lock to form a detachable structure. The tightness adjusting lock comprises a lock body, a lock core, a rotary telescopic mechanism and a rotary lock tongue, when the lock core is linked with the rotary telescopic mechanism to drive the rotary lock tongue to rotate to one of the limit ends, the rotary lock tongue is tightly abutted against the back side surface of the lining plate in the frame, and the panel and the lining plate are clamped and fixed by the abutting force; when the linkage rotary lock tongue rotates to the other limit end, the rotary lock tongue releases the tight support with the back side surface of the lining plate on the frame surface, and rotates to separate from the back side surface of the lining plate, and the clamping between the panel and the frame is released. Through the structure, the installation of the access door and the handle is omitted, and the assembly is time-saving and labor-saving, and meanwhile, the packaging and the transportation are convenient.)

1. The box body comprises a cubic framework and a panel (20), wherein the framework forms a frame face for embedding the panel, the framework comprises three-way pieces (19) positioned at the vertex angles of the framework and three side frame strips (16) leading to the three-way pieces, each side frame strip is provided with a lining plate (1601) which extends towards the inside of the frame face and limits the inner side face of the panel in the frame face, the lining plate is in planar contact with the inner side face of the corresponding panel, and the lining plate and the panel are locked and fixed through a connecting piece to form planar sealing; the anti-theft lock is characterized in that the connecting piece is an elastic adjusting lock, the elastic adjusting lock comprises a lock body (1), a lock cylinder (2), a rotary telescopic mechanism and a rotary lock tongue (12), a lock cylinder hole (102) is formed in the upper end of the lock body, the lock cylinder is rotationally limited in the lock cylinder hole, and a sealing ring which forms a seal with the lock cylinder hole is sleeved on the peripheral surface of the lock cylinder; the rotary telescopic mechanism is arranged in the lock body, the rotary telescopic mechanism is that one end rotates to drive the other end to form rotary telescopic, and the rotary end of the rotary telescopic mechanism is in linkage connection with the bottom of the lock core, namely the rotary end rotates along with the lock core; the rotary telescopic end of the rotary telescopic mechanism extends out of the lock body and is fixedly connected with the rotary lock tongue; the lock bodies are uniformly distributed along the periphery of the panel, the lock bodies are fixed with the panel and stop rotating, the lock cylinders at the upper ends of the lock bodies are exposed out of the outer plate surface of the panel, and the rotary lock tongues at the lower ends of the lock cylinders are positioned on the inner plate surface of the panel; when the lock cylinder is linked with the rotary lock tongue to rotate to one of the limiting ends, the rotary lock tongue is tightly abutted against the back side surface of the lining plate (1601) in the frame, and the panel and the lining plate are clamped and fixed by the abutting force, namely the panel and the frame are fixed; when the lock core is linked with the rotary lock tongue to rotate to the other limiting end, the rotary lock tongue is released from abutting against the back side surface of the lining plate in the frame and is rotated to be separated from the back side surface of the lining plate, namely the panel and the frame are released from being fixed.

2. The efficient assembling air-conditioning fan box body as claimed in claim 1, wherein the rotary telescopic mechanism comprises an outer sliding guide sleeve (5), an inner sliding guide sleeve (7), a pin shaft (6) and a shaft lever (8), wherein a spiral sliding hole (501) is formed in the peripheral surface of the outer sliding guide sleeve, an L-shaped sliding hole (701) is formed in the peripheral surface of the inner sliding guide sleeve, the inner sliding guide sleeve is rotatably sleeved in the outer sliding guide sleeve, one end of the shaft lever is rotatably sleeved in the inner sliding guide sleeve, the end of the shaft lever is vertically connected with the pin shaft, and the pin shaft is arranged in the spiral sliding hole and the L-shaped sliding hole in a penetrating and sliding manner; the other end of the shaft lever extends out of the bottom of the lock body (1) and is fixedly connected with the rotary lock tongue (12) through a clamping nut (11); the lock is characterized in that an inner cavity (106) matched with the outer sliding guide sleeve to rotate is arranged in the lock body, an upper convex rib (503) is arranged on the top surface of the outer sliding guide sleeve, a notch (204) matched with the upper convex rib and linked with the outer sliding guide sleeve to rotate is arranged at the bottom of the lock core (2), a lower convex rib (702) is arranged on the bottom surface of the inner sliding guide sleeve, and a limiting port (107) positioned with the lower convex rib and limiting the inner sliding guide sleeve to rotate is arranged at the bottom of the inner cavity of the lock.

3. The high-efficiency assembling air-conditioning fan box body according to claim 2, characterized in that a resisting booster spring (4) is arranged between the shaft lever (8) and the bottom of the lock cylinder (2), the upper end of the spiral stroke of the spiral sliding hole (501) of the outer sliding guide sleeve (5) is provided with a rotation stopping opening (502) which forms rotation stopping for the outer sliding guide sleeve when the pin shaft (6) slides to the end, namely when the pin shaft slides to the rotation stopping opening position at the upper end of the spiral stroke along the spiral sliding hole, the shaft lever is tightly pressed and limited in the rotation stopping opening under the action of the tension of the booster spring, so that the outer sliding guide sleeve forms a rotation stopping state; when the outer sliding guide sleeve rotates along with the lock cylinder and overcomes the rotation stopping acting force of the rotation stopping opening, the pin shaft is separated from the rotation stopping opening and enters the spiral sliding hole.

4. The high-efficiency assembling air-conditioning fan case body as claimed in claim 2, wherein the shaft portion of the shaft lever (8) is provided with an annular sealing groove (801) and nested with an annular sealing ring, and the shaft lever and the lock body are sealed by the annular sealing ring.

5. The efficient assembling air conditioner fan box body as claimed in claim 1, wherein a limiting head (101) is formed at the upper end of the lock body (1), a rotation stopping convex rib (109) is arranged on the inner side of the limiting head, a threaded section (103) is arranged at the lower end of the lock body, lock body holes for embedding the lock body are uniformly formed in the peripheral edge of the panel, the lock body is embedded into each lock body hole, the limiting head of the lock body is limited on the outer panel surface of the panel (20), a sealing gasket (18) is arranged between the limiting head and the outer panel surface in a cushioning mode, the rotation stopping convex rib is connected with the sealing gasket in a penetrating mode and then is connected with the outer panel surface in an inserting mode to form limiting, and the lower end of the lock body is limited on the inner panel surface of the.

6. The efficient assembling air conditioner fan box body as claimed in claim 1, wherein a circle of annular inner roller sliding groove (202) is formed in the circumferential surface of the lock cylinder (2), an annular outer ball sliding groove (108) matched with the annular inner roller sliding groove is formed in the lock body (1), a ball hole (104) communicated with the annular outer ball sliding groove is formed in the outer portion of the lock body, balls (3) are filled into the annular ball groove formed by the annular inner ball sliding groove and the annular outer ball sliding groove from the ball hole, and the ball hole is connected with a blocking screw (105).

7. The efficient assembling air conditioner fan box body as claimed in claim 1, wherein the end face of the lock cylinder (2) is provided with a socket (201) for inserting an external rotating tool, and the socket is any one of a straight port, a cross port and a polygonal port.

8. The efficient assembling air conditioner fan box body as claimed in claim 1, wherein the end face of the lock cylinder (2) is hinged to a foldable wrench (15), when the wrench is screwed out to the maximum, the face of the wrench is perpendicular to the end face of the lock cylinder, when the wrench is not screwed out, the wrench is embedded in embedding grooves (1010) formed in the end faces of the lock cylinder and the lock body (1), and the face of the wrench is flush with the end faces of the lock cylinder and the lock body.

9. The efficient assembling air-conditioning fan box body as claimed in claim 1, wherein the end of the rotary lock tongue (12) is in threaded connection with an adjusting bolt (13), the cap of the adjusting bolt is used for abutting against the lining plate (1601) of the side frame strip (16), and the adjusting bolt is connected with a rotation stopping nut (14) which stops the rotation of the adjusting bolt and the rotary lock tongue.

10. The efficient assembling air-conditioning fan box body as claimed in claim 1, wherein a lining (17) is sleeved on the lining plate (1601) of the side frame strip (16).

Technical Field

The invention relates to an air conditioner fan box body, in particular to an air conditioner fan box body capable of being assembled efficiently.

Background

The air conditioner fan box body is used for installing an air conditioner fan, plays a role in protecting and supporting the air conditioner fan, and has the effects of preventing cold bridges and preserving heat. The frame structure of the existing air-conditioning fan box body is mostly formed by fixedly connecting side frame strips, three-way pieces, middle strips, connecting blocks and other structures, and the adopted connecting pieces are usually screws or bolt pieces. Although the screw part is simple in connection, the problem of failure is easy to occur, the screw part cannot be repeatedly disassembled and assembled for use, and the loss is large; however, the structure of the bolt and the nut needs to be fixed by one of the bolt and the nut, and the other is rotated to realize connection, but because the frame of the air conditioner fan needs to be connected and the panel needs to be connected, the simultaneous operation of the bolt and the nut on the two sides inside and outside the box body is inconvenient. In addition, due to the fact that screwing operation of the bolts and the nuts is not easy, and more bolts and nuts are often designed on one panel, repeated disassembly operation is not convenient for the panel once the panel is installed, independent access doors are designed on the panels of more air conditioner fan boxes to facilitate conventional overhaul or maintenance operation, the requirement of tightness is considered by the access doors, manufacturing cost is not low, and the cost of the whole air conditioner fan box is high. Therefore, the structure of the existing air conditioner fan box body needs to be further improved.

Disclosure of Invention

In order to overcome the defects, the invention aims to provide an air-conditioning fan box body capable of being efficiently assembled in the field, so that the technical problems that the panel of the existing similar air-conditioning fan box body is inconvenient to disassemble and assemble, and the cost of additionally arranging an access door is high are solved. The purpose is realized by the following technical scheme.

The utility model provides a high-efficient assembly air conditioner fan box, this box includes the frame and the panel of cube, the frame forms the frame face that is used for inlaying the panel of establishing, the frame is including the tee bend spare that is located frame apex angle position for connect the three frame strip that accesss to of each tee bend spare, each frame strip all is equipped with and extends towards the frame face and forms spacing welt to the panel medial surface in the frame face, and the welt is the plane contact with the medial surface that corresponds the panel, it is fixed and form plane seal through the connecting piece locking between welt and the panel. The structure is characterized in that the connecting piece is an elastic adjusting lock, the elastic adjusting lock comprises a lock body, a lock cylinder, a rotary telescopic mechanism and a rotary lock tongue, a lock cylinder hole is formed in the upper end of the lock body, the lock cylinder is limited in the lock cylinder hole in a rotating mode, and a sealing ring which forms a seal with the lock cylinder hole is sleeved on the peripheral surface of the lock cylinder; the rotary telescopic mechanism is arranged in the lock body, the rotary telescopic mechanism is that one end rotates to drive the other end to form rotary telescopic, and the rotary end of the rotary telescopic mechanism is in linkage connection with the bottom of the lock core, namely the rotary end rotates along with the lock core; the rotary telescopic end of the rotary telescopic mechanism extends out of the lock body and is fixedly connected with the rotary lock tongue; the lock bodies are uniformly distributed along the periphery of the panel, the lock bodies are fixed with the panel and stop rotating, the lock cylinders at the upper ends of the lock bodies are exposed out of the outer plate surface of the panel, and the rotary lock tongues at the lower ends of the lock cylinders are positioned on the inner plate surface of the panel; when the lock core is linked with the rotary lock tongue to rotate to one of the limiting ends, the rotary lock tongue is tightly propped against the back side face of the lining plate in the frame, and the propping force enables the panel and the lining plate to form clamping fixation, namely the panel and the frame to form fixation; when the lock core is linked with the rotary lock tongue to rotate to the other limiting end, the rotary lock tongue is released from abutting against the back side surface of the lining plate in the frame and is rotated to be separated from the back side surface of the lining plate, namely the panel and the frame are released from being fixed. Through the air conditioner fan box that above-mentioned structure formed, only need to rotate the lock core and can realize the locking or the dismantlement of panel and frame, the operation is comparatively convenient, swift, labour saving and time saving, and the panel need not to design the access door, does not have convex door handle, when reducing the cost of manufacture, makes things convenient for packing and transportation operation, need not to consider the protection problem of access door and door handle again in packing and the transportation, has reduced the cost of packing and transportation.

The rotary telescopic mechanism comprises an outer sliding guide sleeve, an inner sliding guide sleeve, a pin shaft and a shaft lever, wherein a spiral sliding hole is formed in the peripheral surface of the outer sliding guide sleeve, an L-shaped sliding hole is formed in the peripheral surface of the inner sliding guide sleeve, the inner sliding guide sleeve is rotatably sleeved in the outer sliding guide sleeve, one end of the shaft lever is rotatably sleeved in the inner sliding guide sleeve, the end of the shaft lever is vertically connected with the pin shaft, and the pin shaft is connected with the spiral sliding hole and the L-shaped sliding hole in a penetrating and sliding mode; the other end of the shaft lever extends out of the bottom of the lock body and is fixedly connected with the rotary lock tongue through a clamping nut; the lock body is internally provided with an inner cavity matched with the outer sliding guide sleeve to rotate, the top surface of the outer sliding guide sleeve is provided with an upper convex rib, the bottom of the lock core is provided with a notch matched with the upper convex rib and linked with the outer sliding guide sleeve to rotate, the bottom surface of the inner sliding guide sleeve is provided with a lower convex rib, and the bottom of the inner cavity of the lock body is provided with a limiting port positioned with the lower convex rib and used for limiting the rotation of the inner sliding guide sleeve. Through this structure, when making outer sliding guide cover rotate, the spiral slide opening of outer sliding guide cover promotes the round pin axle and slides along the L type slide opening of interior sliding guide cover, and when the round pin axle slides along the vertical section of L type slide opening, the axostylus axostyle forms concertina movement, when the round pin axle slides along the horizontal segment of L type slide opening, the axostylus axostyle forms rotary motion, when rotatory spring bolt is rotatory along the axostylus axostyle promptly, rotatory spring bolt and the welt that corresponds contactless of welt, when rotatory spring bolt is flexible along the axostylus axostyle, rotatory spring bolt switches between "locking is supported tightly" and "release and is supported tightly" two kinds. The structure can effectively avoid abrasion between the rotary lock tongue and the lining plate when the rotary lock tongue rotates, and prolongs the service life of the rotary lock tongue and the lining plate of the frame strip.

A resisting power spring is arranged between the shaft lever and the bottom of the lock core, a rotation stopping opening which can stop rotation of the outer sliding guide sleeve when the pin shaft slides to the end is arranged at the upper end of the spiral stroke of the spiral sliding hole of the outer sliding guide sleeve, namely, when the pin shaft slides to the rotation stopping opening position at the upper end of the spiral stroke along the spiral sliding hole, the shaft lever is tightly pressed and limited in the rotation stopping opening under the tensioning action of the power spring, so that the outer sliding guide sleeve can form a rotation stopping state; when the outer sliding guide sleeve rotates along with the lock cylinder and overcomes the rotation stopping acting force of the rotation stopping opening, the pin shaft is separated from the rotation stopping opening and enters the spiral sliding hole. Through this structure, play the rotatory spring bolt and correspond the welt and support the mesh that prevents not hard up after tight.

The shaft part of the shaft lever is provided with an annular sealing groove, an annular sealing ring is embedded in the shaft part, and the rotary pump and the lock body form sealing through the annular sealing ring. Through this structure, improve this air conditioner fan box's leakproofness.

The lock body upper end forms spacing head, and spacing first inboard is equipped with the protruding muscle of splining, and the lock body lower extreme is equipped with the screw thread section, the edge equipartition all around of panel is equipped with and is used for inlaying and establishes the lock body hole of lock body, embedding in each lock body hole the lock body, the spacing head of lock body is spacing in the outer face of panel, and the protruding muscle of splining is pegged graft with the planking face and is formed spacingly, and the lock body lower extreme passes through the screw thread section and connects spacing washer and lock nut spacing in the interior face of panel. The structure belongs to a specific implementation structure, and the connection is convenient and simple.

The lock comprises a lock body and is characterized in that a circle of annular inner roller sliding grooves are formed in the circumferential surface of the lock core, annular outer roller sliding grooves matched with the annular inner roller sliding grooves are formed in the lock body, ball holes communicated with the annular outer roller sliding grooves are formed in the outer portion of the lock body, balls are filled into the annular ball grooves formed by the annular inner roller sliding grooves and the annular outer roller sliding grooves through the ball holes, and the ball holes are connected with blocking screws. Through this structure, improve the rotatory flexibility ratio of lock core relative lock body, reduce wearing and tearing between the two, increase of service life.

The end face of the lock cylinder is provided with a socket for inserting an external rotating tool, and the socket is any one of a straight hole, a cross hole and a polygonal hole. Through the structure, the rotation operation of the lock cylinder is convenient.

The terminal surface of lock core articulates and is equipped with folding spanner, and when the spanner was unscrewed to the biggest, the face and the lock core terminal surface of spanner were perpendicular, and when the spanner was not unscrewed, the spanner inlayed in the caulking groove that lock core and lock body terminal surface were equipped with, and the face and the lock core and the lock body terminal surface of spanner flush. Through the structure, the lock core is provided with a rotating wrench, so that the rotating operation is convenient.

The bolt end of the rotary bolt is in threaded connection with an adjusting bolt, a bolt cap of the adjusting bolt is used for tightly abutting against the lining plate of the side frame strip, and the adjusting bolt is connected with a rotation stopping nut which enables the adjusting bolt and the rotary bolt to stop rotating. Through this structure, conveniently adjust adjusting bolt, it is more reliable that adjusting bolt supports tightly with the frame strip welt.

And the lining plate of the frame strip is sleeved with a lining. Through this structure, the welt of opposite side frame strip forms effective protection, and utilizes bush and panel to offset, can improve the leakproofness.

The invention has the advantages that: quick assembly disassembly can all be realized to each panel of air conditioner fan box, used repeatedly, the dismouting is comparatively convenient, laborsaving, the frame need not to carry on special counterpoint designs such as fluting again, the panel need not design access door and door handle, practiced thrift the consumptive material by a wide margin, manufacturing cost is reduced, in addition, the structure butt joint is simplified the back, the leakproofness is changeed and is guaranteed, the performance of air conditioner fan box anti-cold bridge has been improved, be fit for as all kinds of air conditioner fan box uses, or the improvement of box structure of the same kind.

Drawings

FIG. 1 is a schematic view of a tension adjusting lock explosion configuration of the present invention.

FIG. 2 is a schematic perspective view of the slack adjuster lock of the present invention.

Fig. 3 is a schematic structural view of the rotary telescopic mechanism of the present invention.

Fig. 4 is a schematic sectional view of the lock body of the present invention.

Fig. 5 is a schematic structural diagram of the lock body, the lock core and the wrench of the invention.

Fig. 6 is a schematic perspective view of fig. 5.

Fig. 7 is a schematic view of the wrench flip open configuration of fig. 6.

Fig. 8 is a sectional view of a panel installation partial structure of the present invention.

Fig. 9 is a schematic view of the overall structure of the present invention.

The sequence numbers and names in the figure are: 1. lock body, 101, limit head, 102, lock cylinder hole, 103, thread section, 104, ball hole, 105, blocking screw, 106, inner cavity, 107, limit opening, 108, annular outer roller groove, 109, rotation stopping convex rib, 1010, caulking groove, 2, lock cylinder, 201, spigot, 202, annular inner roller groove, 203, annular groove, 204, notch, 3, ball, 4, power spring, 5, outer sliding guide sleeve, 501, spiral sliding hole, 502, rotation stopping opening, 503, upper convex rib, 6, pin shaft, 7, inner sliding guide sleeve, 701, L-shaped sliding hole, 702, lower convex rib, 8, shaft rod, 801, annular sealing groove, 9, limit gasket, 10, lock nut, 11, clamping nut, 12, rotary lock tongue, 13, adjusting bolt, 14, rotation stopping nut, 15, wrench, 16, side frame strip, 1601, lining plate, 17, bush, 18, sealing gasket, 19, three-way member, 20, panel, 21, 20, lock cylinder hole, 2, lock cylinder, 201, socket, ball hole, 3, ball groove, 3, Window inspection mirrors.

Detailed Description

The invention will now be further described with reference to the accompanying drawings.

As shown in fig. 1-9, the high-efficiency assembled air-conditioning fan case comprises a cubic frame and a panel 20, and a connecting member for connecting the frame and the panel, wherein at least one panel in the panel has a window mirror 21 with an amplifying function, the frame forms a frame surface for embedding the panel, the frame comprises three-way members 19 located at the top angle position of the frame, and three leading-in frame strips 16 for connecting each three-way member, each frame strip is provided with a lining plate 1601 extending towards the inside of the frame surface, the lining plate supports against the inner side plate surface plane of the panel in the frame surface to form a limit, and the lining plate and the panel are locked and fixed through the connecting member and form a plane seal. The invention is mainly designed in that the connecting piece adopts a tightness adjusting lock, the tightness adjusting lock comprises a lock body 1, a lock core 2, a rotary telescopic mechanism and a rotary lock tongue 12, a limiting head 101 is arranged at the top of the lock body, a rotation stopping convex rib 109 is arranged at the inner side of the limiting head, a lock core hole 102 is arranged in the lock body, and a thread section 103 is arranged at the lower end of the lock body. The lock core is limited in the lock core hole of the lock body in a rotating mode, an annular groove 203 is formed in the peripheral face of the lock core, and a sealing ring which is sealed with the lock core hole is sleeved in the annular groove. The rotation limiting structure between the lock core and the lock body is as follows: the peripheral face of lock core is equipped with round annular inner roller spout 202, be equipped with the outer ball spout 108 of annular that matches with annular inner roller spout in the lock body, the lock body outside is equipped with the communicating ball hole 104 with annular outer ball spout, by ball hole to the annular ball inslot that annular inner roller spout, annular outer ball spout formed and load ball 3, after loading, ball jogged joint shutoff screw 105 carries out the shutoff, through this structure, when realizing that the lock core is rotatory for the lock body, form axial spacing.

The rotary telescopic mechanism is arranged in the lock body 1, the rotary telescopic mechanism is characterized in that one end rotates to drive the other end to form rotary telescopic, the rotary telescopic mechanism comprises an outer sliding guide sleeve 5, an inner sliding guide sleeve 7, a pin shaft 6 and a shaft lever 8, the peripheral surface of the outer sliding guide sleeve is provided with a spiral sliding hole 501 which is in central symmetric distribution relative to the outer sliding guide sleeve, the peripheral surface of the inner sliding guide sleeve is provided with an L-shaped sliding hole 701 which is in central symmetric distribution relative to the inner sliding guide sleeve, the inner sliding guide sleeve is rotatably sleeved in the outer sliding guide sleeve, one end of the shaft lever is rotatably sleeved in the inner sliding guide sleeve, the end of the shaft lever is provided with a pin hole which is radially arranged, the. The pin shaft is connected in a penetrating way and is arranged in the spiral sliding hole and the L-shaped sliding hole in a sliding way. The other end of the shaft lever extends out of the bottom of the lock body and is fixedly connected with one end of a rotary bolt 12 through a clamping nut 11, the other end of the rotary bolt is in threaded connection with an adjusting bolt 13, a bolt cap of the adjusting bolt is used for abutting against a lining plate 1601 of a side frame strip 16, and the adjusting bolt is connected with a rotation stopping nut 14 which enables the adjusting bolt and the rotary bolt to stop rotating.

The working principle of the rotary telescopic mechanism is as follows: when the outer sliding guide sleeve 5 rotates, the spiral sliding hole 501 of the outer sliding guide sleeve pushes the pin shaft 6 to slide along the L-shaped sliding hole 701 of the inner sliding guide sleeve 7, and when the pin shaft slides along the vertical section of the L-shaped sliding hole, the shaft lever forms a telescopic motion, and when the pin shaft slides along the horizontal section of the L-shaped sliding hole, the shaft lever forms a rotary motion.

An inner cavity 106 matched with the outer sliding guide sleeve 5 to rotate is arranged in the lock body 1, an upper convex rib 503 is arranged on the top surface of the outer sliding guide sleeve, a notch 204 matched with the upper convex rib and linked with the outer sliding guide sleeve to rotate is arranged at the bottom of the lock core 2, a lower convex rib 702 is arranged on the bottom surface of the inner sliding guide sleeve 7, and a limiting port 107 positioned with the lower convex rib and limiting the rotation of the inner sliding guide sleeve is arranged at the bottom of the inner cavity of the lock body. A resisting power spring 4 is arranged between the shaft lever 8 and the bottom of the lock core, a rotation stopping opening 502 which forms rotation stopping for the external sliding guide sleeve when the pin shaft slides to the end is arranged at the upper end of the spiral stroke of the spiral sliding hole 501 of the external sliding guide sleeve, namely, when the pin shaft 6 slides to the rotation stopping opening position at the upper end of the spiral stroke along the spiral sliding hole, the shaft lever is tightly pressed and limited in the rotation stopping opening under the tensioning action of the power spring, so that the external sliding guide sleeve forms a rotation stopping state; when the outer sliding guide sleeve rotates along with the lock cylinder and overcomes the tension force of the power-assisted spring, the pin shaft is separated from the rotation stopping opening and enters the spiral sliding hole.

In order to make the tight sealing between the lining board 1601 of the side frame strip 16 and the inner side of the corresponding panel 20 more reliable, the lining board may also be sleeved with a lining 17.

In order to facilitate the rotation of the lock cylinder 2, the end surface of the lock cylinder can be designed into the following two schemes: in the first scheme, the end face of the lock cylinder is provided with a socket 201 for inserting an external rotating tool, and the socket is any one of a straight opening, a cross opening and a polygonal opening, for example, as shown in fig. 1 and 2, a wrench 15 with a straight plug is matched with the straight opening. Scheme two, as shown in fig. 5-7, the terminal surface of lock core is articulated to be equipped with folding spanner through the articulated piece, and when the spanner was screwed out to the biggest, the face of spanner was perpendicular with the lock core terminal surface, otherwise, the spanner inlays in caulking groove 1010 that lock core and lock body terminal surface were equipped with, and the face of spanner flushes with lock core and 1 terminal surface of lock body, plays the purpose of protection spanner.

The panel assembling process of the air conditioner fan box body comprises the following steps: firstly all set up the body hole that is used for inlaying the lock body 1 in the edge all around of panel 20 to with each body hole embedded establish the lock body, the spacing head 101 of lock body is spacing in the panel outer plate face, and fills up between spacing head and the planking face and establish sealed 18, the protruding muscle 109 cross-under of the inboard commentaries on classics of spacing head pegs graft with the planking face after sealed pad and forms spacingly, the lock body lower extreme passes through screw thread section 103 and connects spacing packing ring 9 and lock nut 10 spacing in the interior face of panel. After the lock body is fixed, the lock cylinder 2 is rotated, the lock cylinder is linked with the rotary telescopic mechanism, the shaft lever 8 drives the rotary lock tongue 12 to rotate to the back side surface of the lining plate 16 on the inner side of the panel, when the lock cylinder rotates in place, the shaft lever drives the bolt cap of the adjusting bolt 13 on the rotary lock tongue to be tightly propped against the back side surface of the lining plate, under the state, the panel and the lining plate are clamped and fixed, namely, the panel and the frame are fixed, and a reliable plane seal is formed between the fixed panel and the lining plate. When the lock core is rotated reversely, the lock core is linked with the rotary telescopic mechanism, so that the shaft lever drives the adjusting bolt of the rotary lock tongue to remove and abut against the back side face of the corresponding lining plate, then the rotary lock tongue is driven to rotate, the adjusting bolt is separated from the back side face of the lining plate, under the state, the panel and the lining plate are removed and fixed, namely the panel and the frame are removed and fixed, and the panel can be separated from the frame at the moment to finish the panel dismounting operation.

The above description is intended to illustrate the technical means of the present invention, and not to limit the technical scope of the present invention. Modifications of the invention which are obvious to those skilled in the art in view of the prior art are also within the scope of the invention as claimed.