CN216077667U

CN216077667U - Tower fan of hidden installation of screw

Info

Publication number: CN216077667U
Application number: CN202122641240.8U
Authority: CN
Inventors: 高魏林; 高满林; 钟跃强; 叶月全
Original assignee: Zhongshan Shanzhu Electric Appliance Technology Co ltd
Current assignee: Zhongshan Shanzhu Electric Appliance Technology Co ltd
Priority date: 2021-10-30
Filing date: 2021-10-30
Publication date: 2022-03-18
Anticipated expiration: 2031-10-30

Abstract

The utility model relates to a tower fan with concealed installation by screws, which comprises a chassis and a body shell arranged on the chassis. An accommodating cavity is arranged in the body shell, and the body shell includes a rear shell and a front shell. The outer peripheral surface of the rear casing is recessed inwardly to form a remote controller accommodating groove and a first plane, a bracket is also arranged between the rear casing and the front casing, and one end of the bracket is fixedly connected to the front casing , the other end of the bracket is provided with a second plane, the bracket and the rear shell are fixedly connected together by a first fixing screw, a bracket is arranged in the accommodating cavity to assist the fixing of the rear shell and the front shell, and the first plane is connected to the rear shell. The second planes fit together, so that the rear shell and the front shell are firmly fixed, and the support of the bracket can also prevent the rear shell or the front shell from being squeezed and deformed. The first fixing screw is hidden in the lift of the rear shell. In the hand groove, the hidden design makes the product beautiful and elegant, which improves the user's experience.

Description

Tower fan of hidden installation of screw

[ technical field ] A method for producing a semiconductor device

The utility model relates to the field of tower fans, in particular to a tower fan with hidden screws.

[ background of the utility model ]

In the prior art, the screw of the outer shell of the tower fan is usually exposed outside, so that the appearance of the tower fan is greatly influenced, the connection mode is single, the appearance is not attractive, the screw column is designed to be longer, and the connection strength is insufficient.

To this end, the utility model patent with publication number CN108730216A discloses a tower fan capable of hiding the fixing screws of the casing, which comprises a columnar casing body, the outer shell is internally provided with an accommodating space, the accommodating space is internally provided with a cross-flow wind wheel, the outer shell comprises a front shell and a rear shell, the front shell is provided with a front mounting groove, the rear shell is provided with a rear mounting groove, the front mounting groove and the rear mounting groove surround to form the accommodating space, mounting wings extending outwards are arranged on two sides of the front shell, a plurality of screw posts integrally formed with the rear shell are arranged on two sides in the rear mounting groove, the mounting wing on the front shell is fixed on the screw post of the rear shell through screws, the middle part of the front shell in the transverse direction is provided with a grid for air inlet or air outlet, and side decorative covers for covering the mounting wings and the screws on the mounting wings are respectively arranged at two sides of the grating. Above-mentioned tower fan can not only hide the set screw on the shell, still reduce the cost simultaneously, has improved the intensity that the shell is connected.

The above prior art has the following problems: the clearance is big between procapsid and the back casing, and the installation is insecure, all adopts screwed connection between procapsid and the back casing, and the screw installation is troublesome, need twist one by one during the dismouting and moves, has reduced the efficiency of dismouting, and the dismouting is overhauld, is clean and debugs inconveniently to the dress trim cover block is on the casing in the front, easily drops.

The prior art does not meet our needs.

[ Utility model ] content

In order to solve the problems, the utility model provides an attractive tower fan with hidden screws.

In order to achieve the purpose, the utility model provides the following technical scheme:

a tower fan with hidden screws comprises a chassis and a body shell arranged on the chassis, wherein a containing cavity is arranged in the body shell, the body shell comprises a rear shell and a front shell fixedly arranged on the rear shell, the outer peripheral surface of the rear shell is inwards sunken to form a remote controller containing groove and a first plane positioned in the containing cavity, a support positioned in the containing cavity is further arranged between the rear shell and the front shell, one end of the support is fixedly connected with the front shell, the other end of the support is provided with a second plane, a first support threaded hole is formed in the second plane, a rear shell threaded hole aligned with the first support threaded hole after assembly is formed in the bottom wall of the remote controller containing groove, the support and the rear shell are fixedly connected together through a first fixing screw, and the first plane is attached to the second plane during assembly, and the first fixing screw penetrates through the threaded hole of the rear shell and then is in threaded connection with the threaded hole of the first support.

As a preferred embodiment, further defined is: the front shell is provided with a front accommodating cavity, the inner wall of the front accommodating cavity is provided with a plurality of raised first connecting columns, first connecting threaded holes are formed in the first connecting columns, and the support is provided with a plurality of second support threaded holes aligned with the first connecting threaded holes after being assembled; the support and the front shell are fixedly connected together through a second fixing screw, and the second fixing screw penetrates through the second support threaded hole and then is in threaded connection with the first connecting threaded hole during assembly.

As a preferred embodiment, further defined is: a convex second connecting column is further arranged on the inner wall of the front accommodating cavity, a second connecting threaded hole is formed in the second connecting column, a convex bracket connecting column is arranged on one end, away from the second plane, of the bracket, a connecting cavity is formed in the bracket connecting column, and a third bracket threaded hole which is aligned with the second connecting threaded hole after assembly is formed in the bottom wall of the connecting cavity; the support and the front shell are fixedly connected together through a third fixing screw, and the third fixing screw penetrates through a third support threaded hole and then is in threaded connection with the second connecting threaded hole during assembly.

As a preferred embodiment, further defined is: the rear shell is provided with a rear accommodating cavity, the front accommodating cavity and the rear accommodating cavity are combined to form the accommodating cavity, a plurality of raised positioning columns are arranged on the inner wall of the rear accommodating cavity, positioning slots are formed in the positioning columns, and a plurality of positioning insertion rods which are inserted into the positioning slots after being assembled are arranged on the inner wall of the front accommodating cavity.

As a preferred embodiment, further defined is: the upper end of support be provided with after the assembly with preceding chamber or the back arc portion that holds intracavity wall upper end looks adaptation, second support screw hole sets up on the arc portion, seted up a plurality of confession on the outer peripheral face of arc portion upper end the reference column and the male holding tank of location inserted bar.

As a preferred embodiment, further defined is: the left and right sides of back casing is provided with the first connecting portion that just stretches out outside that is located the lower part respectively and still be provided with at least one second connecting portion between the first connecting portion, the both sides of procapsid be provided with respectively after the assembly with first connecting portion threaded connection's third connecting portion and with the fourth connecting portion that the second connecting portion buckle is connected, the both sides of back casing and procapsid still block to be equipped with and are used for hiding the dress trim cover of first connecting portion, third connecting portion, second connecting portion and fourth connecting portion.

As a preferred embodiment, further defined is: be provided with first screw on the first connecting portion, be provided with the casing buckle on the second connecting portion, be provided with the assembly back on the third connecting portion with the second screw that first screw is aligned, be provided with on the fourth connecting portion with the casing bayonet socket of casing buckle looks adaptation, the dress trim cover still is used for hiding first screw, casing buckle, second screw and casing bayonet socket.

As a preferred embodiment, further defined is: the both sides of back casing still are provided with first spout, the both sides of procapsid still correspond and are provided with the second spout, decorate to cover be provided with the thread slipping of first spout and second spout looks adaptation, decorate the lower extreme of lid respectively with back casing and procapsid fixed connection.

As a preferred embodiment, further defined is: the lower extreme of dress trim cover is provided with outside bellied connecting portion, the dress trim cover connecting hole has been seted up on the connecting portion, the lower extreme of back casing be provided with the third screw that the dress trim cover connecting hole was aimed at, the lower extreme of procapsid be provided with the fourth screw that the dress trim cover connecting hole was aimed at.

As a preferred embodiment, further defined is: the slide fastener comprises a slide fastener connecting part connected with the side surface of the decorative cover and a slide fastener clamping part which is connected with the slide fastener connecting part and extends upwards, a slide fastener bayonet groove is formed among the slide fastener connecting part, the slide fastener clamping part and the side surface of the decorative cover, and the slide fastener bayonet groove is clamped in the first sliding groove and the second sliding groove respectively during clamping; the upper end of the clamping part of the slide fastener, which is positioned at one side of the clamping groove of the slide fastener, is provided with a slide fastener sliding guide surface.

The utility model has the beneficial effects that:

1. the rear shell and the front shell are fixedly connected together through the support, the support is fixedly connected with the front shell through screws and then fixedly connected with the rear shell through first fixing screws, due to the arrangement of the accommodating cavity, a space gap between the rear shell and the front shell is large, the support is arranged to assist the fixing of the rear shell and the front shell, so that the rear shell and the front shell are firmly fixed, the first plane is attached to the second plane after the assembly, the support supports the rear shell to prevent the rear shell or the front shell from being extruded and deformed, the generation of gaps and dislocation between the rear shell and the front shell are avoided, the first fixing screws are hidden in a handle groove of the rear shell, the design is hidden, the screws are not exposed, the product is attractive and elegant, the better design is conveniently made on the appearance of the product, and the use experience of a user is improved;

2. the decorative cover is fixedly arranged between the rear shell and the front shell in a screw and slide fastener mode and is not easy to fall off, the screws cannot be seen on the surface after the installation, the screws are hidden by the decorative cover, no screw is exposed at the periphery of the whole tower fan, the product is beautified, the better design of the product appearance is facilitated, and the use experience of a user is improved;

3. the rear shell is provided with a first connecting part which is positioned at the upper part and the lower part and extends outwards, and at least one second connecting part is arranged between the first connecting parts, the two sides of the front shell are respectively provided with a third connecting part which is matched with the first connecting part after assembly and a fourth connecting part which is matched with the second connecting part, the first connecting part is provided with a first screw hole, the second connecting part is provided with a shell buckle, the third connecting part is provided with a second screw hole which is aligned with the first screw hole after assembly, the fourth connecting part is provided with a shell bayonet matched with the shell buckle, the rear shell and the front shell are connected by screws and buckles, the number of screws is reduced, the complexity of disassembly and assembly is simplified, the disassembly and assembly efficiency is greatly improved, and the mounting is firm, and the disassembly, the overhaul, the cleaning and the debugging are convenient.

[ description of the drawings ]

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is an exploded schematic view of the present invention;

FIG. 3 is an enlarged schematic view of A in FIG. 2;

FIG. 4 is an enlarged schematic view of B in FIG. 2;

FIG. 5 is an enlarged schematic view of C in FIG. 2;

FIG. 6 is a schematic view of the present invention with the housing removed;

FIG. 7 is an enlarged schematic view of E in FIG. 6;

FIG. 8 is a partial cross-sectional view taken along D-D of FIG. 6;

FIG. 9 is an enlarged schematic view of F in FIG. 8;

FIG. 10 is a partial cross-sectional view of one of the present inventions;

FIG. 11 is an enlarged schematic view of G of FIG. 10;

FIG. 12 is an enlarged schematic view of H in FIG. 10;

FIG. 13 is a second partial cross-sectional view of the present invention;

FIG. 14 is an enlarged schematic view of I of FIG. 13;

FIG. 15 is an enlarged schematic view of J of FIG. 13;

FIG. 16 is a schematic structural view of the rear housing;

FIG. 17 is an enlarged schematic view of K of FIG. 16;

FIG. 18 is an enlarged schematic view of L of FIG. 16;

FIG. 19 is one of the structural schematic diagrams of the stent;

fig. 20 is a second schematic structural view of the stent.

[ detailed description ] embodiments

The utility model is described in further detail below with reference to the following figures and detailed description:

as shown in fig. 1 to 20, a tower fan with hidden screw installation comprises a chassis and a body case 1 disposed on the chassis, wherein a receiving cavity 10 is disposed in the body case 1, the body case 1 comprises a rear case 11 and a front case 12 fixedly disposed on the rear case 11, a remote controller receiving groove 111 and a first plane 112 disposed in the receiving cavity 10 are formed on an outer circumferential surface of the rear case 11, a bracket 2 disposed in the receiving cavity 10 is further disposed between the rear case 11 and the front case 12, one end of the bracket 2 is fixedly connected to the front case 12, the other end of the bracket 2 is provided with a second plane 20, the second plane 20 is provided with a first bracket screw hole 21, a rear case screw hole 1111 aligned with the first bracket screw hole 21 after being assembled is disposed on a bottom wall of the remote controller receiving groove 111, the bracket 2 and the rear shell 11 are fixedly connected together through a first fixing screw 3, the first plane 112 is attached to the second plane 20 during assembly, and the first fixing screw 3 penetrates through the rear shell threaded hole 1111 and then is in threaded connection with the first bracket threaded hole 21; the front housing 12 is provided with a front accommodating cavity 120, the inner wall of the front accommodating cavity 120 is provided with a plurality of raised first connecting columns 121, the first connecting columns 121 are internally provided with first connecting threaded holes 1211, and the bracket 2 is provided with a plurality of second bracket threaded holes 22 aligned with the first connecting threaded holes 1211 after being assembled; the bracket 2 and the front housing 12 are fixedly connected together by a second fixing screw 201, and the second fixing screw 201 passes through the second bracket screw hole 22 and then is in threaded connection with the first connecting screw hole 1211 when being assembled; a second protruding connecting column 122 is further arranged on the inner wall of the front accommodating cavity 120, a second connecting threaded hole 1221 is arranged in the second connecting column 122, a protruding bracket connecting column 23 is arranged on one end, away from the second plane 20, of the bracket 2, a connecting cavity 231 is formed in the bracket connecting column 23, and a third bracket threaded hole 232 which is aligned with the second connecting threaded hole 1221 after assembly is arranged on the bottom wall of the connecting cavity 231; the bracket 2 and the front housing 12 are also fixedly connected together by a third fixing screw 301, and the third fixing screw 301 passes through the third bracket screw hole 232 and then is in threaded connection with the second connecting screw hole 1221 during assembly; the rear shell 11 and the front shell 12 are fixedly connected together through the bracket 2, the bracket 2 is fixedly connected with the front shell 12 through screws, and then fixedly connected with the rear shell 11 through the first fixing screws 3, due to the arrangement of the accommodating cavity 10, the gap between the rear shell 11 and the front shell 12 is large, the bracket 2 is arranged to assist the fixation of the rear shell 11 and the front shell 12, so that the fixation between the rear shell 11 and the front shell 12 is firm, meanwhile, the support function of the bracket 2 can also prevent the deformation phenomenon caused by the extrusion of the rear shell 11 or the front shell 12, in addition, the first plane 112 is attached to the second plane 20 after the assembly, the bracket 2 plays a support function for the rear shell 11, so as to prevent the extrusion deformation of the rear shell 11 or the front shell 12, the gap and the dislocation between the rear shell 11 or the front shell 12 are avoided, and meanwhile, the first fixing screws 3 are hidden in the remote controller accommodating groove 111 of the rear shell 11, the hidden design, the screw does not expose, and product elegant appearance conveniently does better design to the product outward appearance, has improved user's use and has experienced.

As shown in fig. 2, fig. 5 to fig. 7, fig. 17, and fig. 19 to fig. 20, in this embodiment, the rear housing 11 is provided with a rear accommodating cavity 110, the front accommodating cavity 120 and the rear accommodating cavity 110 are combined to form the accommodating cavity 10, a plurality of protruding positioning pillars 115 are provided on an inner wall of the rear accommodating cavity 110, positioning slots 116 are provided in the positioning pillars 115, and a plurality of positioning insertion rods 125 are provided on an inner wall of the front accommodating cavity 120 and inserted into the positioning slots 116 after being assembled; the upper end of the bracket 2 is provided with an arc-shaped part 24 which is matched with the upper end of the inner wall of the front accommodating cavity 120 or the rear accommodating cavity 110 after assembly, the threaded hole 22 of the second bracket is arranged on the arc-shaped part 24, and the outer peripheral surface of the upper end of the arc-shaped part 24 is provided with a plurality of accommodating grooves 25 for inserting the positioning columns 115 and the positioning inserted rods 125; after the assembly, the positioning slot 116 and the positioning insertion rod 125 are mutually matched to further reinforce the connection between the rear shell 11 and the front shell 12, so that the phenomena of clearance, dislocation and the like are generated between the rear shell 11 and the front shell 12 after the assembly, the smoothness of the outer surface of the machine shell 1 is kept, and the use experience of a user is improved.

As shown in fig. 2 to 5 and 10 to 18, the left and right sides of the rear housing 11 are respectively provided with first connecting portions 4 located at the upper and lower portions and extending outward, and at least one second connecting portion 5 is further provided between the first connecting portions 4, the two sides of the front housing 12 are respectively provided with a third connecting portion 6 connected with the first connecting portion 4 by screw threads after assembly and a fourth connecting portion 7 connected with the second connecting portion 5 by snap fit, and the two sides of the rear housing 11 and the front housing 12 are further provided with a decorative cover 8 for covering the first connecting portion 4, the third connecting portion 6, the second connecting portion 5 and the fourth connecting portion 7 by snap fit; a first screw hole 41 is formed in the first connecting portion 4, a housing fastener 51 is formed in the second connecting portion 5, a second screw hole 61 aligned with the first screw hole 41 after assembly is formed in the third connecting portion 6, a housing bayonet 71 matched with the housing fastener 51 is formed in the fourth connecting portion 7, and decorative covers 8 for covering the first screw hole 41, the housing fastener 51, the second screw hole 61 and the housing bayonet 71 are further clamped on two sides of the rear housing 11 and the front housing 12; the rear shell 11 and the front shell 12 are connected by screws and buckles, so that the number of screws is reduced, the complexity of disassembly and assembly is simplified, the disassembly and assembly efficiency is greatly improved, the installation is firm, and the disassembly, assembly, maintenance, cleaning and debugging are convenient; in this embodiment, the first connecting portions 4 are disposed in the upper and lower portions, so that the second connecting portion 5 is located between the first connecting portions 4, and thus the upper and lower portions of the housing 1 are connected by screws, and the middle portion is connected by a buckle, thereby reducing the number of screws used and also considering the firmness between the rear housing 11 and the front housing 12; in this embodiment, the first screw hole 41 and the second screw hole 61 are respectively set to 4, the housing fastener 51 and the housing bayonet 71 are respectively set to 6, further, the number of the housing fastener 51 and the housing bayonet 71 can be appropriately increased or decreased according to the height of the tower fan, even the first connecting portion 4 and the second connecting portion 5 are both provided with fasteners, and the third connecting portion 6 and the fourth connecting portion 7 are both provided with bayonets adapted to the fasteners, so that the rear housing 11 and the front housing 12 are both connected by using the fasteners, the number of screws used is further reduced, and the assembly and disassembly are convenient.

As shown in fig. 2 to 5 and 10 to 18, in this embodiment, two sides of the rear housing 11 are further provided with first sliding grooves 113, two sides of the front housing 12 are further provided with second sliding grooves 123, the trim cover 8 is provided with a slide fastener 81 adapted to the first sliding grooves 113 and the second sliding grooves 123, and a lower end of the trim cover 8 is fixedly connected to the rear housing 11 and the front housing 12, respectively; a connecting portion 82 protruding outwards is arranged at the lower end of the decorative cover 8, a decorative cover connecting hole 83 is formed in the connecting portion 82, a third screw hole 114 aligned with the decorative cover connecting hole 83 is formed at the lower end of the rear shell 11, and a fourth screw hole 124 aligned with the decorative cover connecting hole 83 is formed at the lower end of the front shell 12; the slide fastener 81 comprises a slide fastener connecting part 811 connected with the side surface of the decorative cover 8 and a slide fastener clamping part 812 connected with the slide fastener connecting part 811 and extending upwards, a slide fastener clamping groove 813 is formed between the slide fastener connecting part 811, the slide fastener clamping part 812 and the side surface of the decorative cover 8, and the slide fastener clamping groove 813 is clamped in the first sliding groove 113 and the second sliding groove 123 respectively during clamping; the upper end of the slide fastener clamping part 812, which is positioned at one side of the slide fastener clamping groove 813, is provided with a slide fastener guide sliding surface 814, so that the slide fastener is convenient to disassemble and assemble; the first sliding groove 113 is arranged on the inner side of the first connecting part 4 or the second connecting part 5, the second sliding groove 123 is arranged on the inner side of the third connecting part 6 or the fourth connecting part 7, and the second sliding groove 123 on the fourth connecting part 7 is communicated with the housing bayonet 71; the opening of the slide fastener bayonet groove 813 faces upwards, the slide fastener 81 is respectively inserted into the first sliding groove 113 and the second sliding groove 123 during clamping, the decorative cover 8 is pushed upwards to enable the slide fastener bayonet groove 813 to be clamped on the upper end surfaces of the first sliding groove 113 and the second sliding groove 123, the slide fastener clamping part 812 respectively abuts against the inner side surfaces of the rear shell 11 and the front shell 12, and then screws are screwed into the decorative cover connecting hole 83 and the third screw hole 114 and into the decorative cover connecting hole 83 and the fourth screw hole 124, so that the fixation can be completed; furthermore, can also use connected modes such as buckle will dress trim cover 8 is fixed to be set up on back casing 11 and procapsid 12, perhaps directly pass through 2 assembly back effects are at the effort of dress trim cover 8 lower extreme for dress trim cover 8 keeps the card to be established on back casing 11 and procapsid 12, the quantity of screw has been reduced, the complexity of dismouting has been simplified, the efficiency of dismouting is greatly improved, and the installation is firm, conveniently carry out dismouting maintenance, cleanness and debugging, it is difficult for droing, the screw also can not be seen to the installation rear surface, dress trim cover 8 has hidden the screw, make whole tower fan periphery not have a screw to expose, the product has been beautified, the convenience is better design to the product outward appearance, user's use experience has been improved.

As shown in fig. 2 to 5 and 10 to 18, in this embodiment, the third connecting portion 6 is provided with a third groove 63 for accommodating the first connecting portion 4, the fourth connecting portion 7 is further provided with a fourth groove 73 for accommodating the second connecting portion 5, and the third groove 63 and the fourth groove 73 are provided, so that after assembly, the outer side surface of the first connecting portion 4 is aligned with the outer side surface of the third connecting portion 6, and the outer side surface of the second connecting portion 5 is aligned with the outer side surface of the fourth connecting portion 7, so that the surface of the joint between the rear housing 11 and the front housing 12 is flat after assembly, which facilitates assembly of the decorative cover 8, and is beautiful and easy to assemble.

Claims

1. The utility model provides a tower fan of hidden installation of screw, includes the chassis and sets up organism shell (1) on the chassis, be provided with in organism shell (1) and hold chamber (10), organism shell (1) includes back casing (11) and fixed the setting is in procapsid (12) on back casing (11), the outer peripheral face of back casing (11) is inwards sunken to be formed with remote controller holding tank (111) and to be formed with and to be located hold first plane (112) in chamber (10), its characterized in that: a bracket (2) positioned in the accommodating cavity (10) is also arranged between the rear shell (11) and the front shell (12), one end of the bracket (2) is fixedly connected with the front shell (12), the other end of the bracket (2) is provided with a second plane (20), a first bracket threaded hole (21) is formed in the second plane (20), a rear shell threaded hole (1111) which is aligned with the first bracket threaded hole (21) after assembly is formed in the bottom wall of the remote controller accommodating groove (111), the bracket (2) and the rear shell (11) are fixedly connected together through a first fixing screw (3), the first plane (112) is attached to the second plane (20) during assembly, the first fixing screw (3) penetrates through the rear shell threaded hole (1111) and then is in threaded connection with the first support threaded hole (21).

2. The tower fan with concealed screws as claimed in claim 1, wherein: the front shell (12) is provided with a front accommodating cavity (120), the inner wall of the front accommodating cavity (120) is provided with a plurality of raised first connecting columns (121), first connecting threaded holes (1211) are formed in the first connecting columns (121), and the bracket (2) is provided with a plurality of second bracket threaded holes (22) aligned with the first connecting threaded holes (1211) after being assembled; the support (2) and the front shell (12) are fixedly connected together through a second fixing screw (201), and the second fixing screw (201) penetrates through the second support threaded hole (22) and then is in threaded connection with the first connecting threaded hole (1211) during assembly.

3. The screw concealed installation tower fan according to claim 2, wherein: a second protruding connecting column (122) is further arranged on the inner wall of the front accommodating cavity (120), a second connecting threaded hole (1221) is formed in the second connecting column (122), a protruding bracket connecting column (23) is arranged on one end, away from the second plane (20), of the bracket (2), a connecting cavity (231) is formed in the bracket connecting column (23), and a third bracket threaded hole (232) which is aligned with the second connecting threaded hole (1221) after assembly is formed in the bottom wall of the connecting cavity (231); the support (2) and the front shell (12) are fixedly connected together through a third fixing screw (301), and the third fixing screw (301) penetrates through a third support threaded hole (232) and then is in threaded connection with a second connecting threaded hole (1221) during assembly.

4. The tower fan with concealed screws as claimed in claim 3, wherein: the rear shell (11) is provided with the back and holds chamber (110), preceding chamber (120) and the back of holding chamber (110) combination formation of holding chamber (10), be provided with a plurality of bellied reference column (115) on the inner wall of back chamber (110), set up location slot (116) in reference column (115), preceding insert after being provided with a plurality of assembly on the inner wall of holding chamber (120) and establish location inserted bar (125) in location slot (116).

5. The screw concealed installation tower fan according to claim 4, wherein: the upper end of support (2) be provided with after the assembly with preceding chamber (120) or the back arc portion (24) that hold chamber (110) inner wall upper end looks adaptation are held, second support screw hole (22) set up on arc portion (24), a plurality of confession has been seted up on the outer peripheral face of arc portion (24) upper end reference column (115) and location inserted bar (125) male holding tank (25).

6. The tower fan with concealed screws according to any one of claims 1 to 5, wherein: the left and right sides of back casing (11) is provided with first connecting portion (4) that are located the lower part and outwards stretch out respectively and still be provided with at least one second connecting portion (5) between first connecting portion (4), the both sides of procapsid (12) be provided with respectively after the assembly with first connecting portion (4) threaded connection's third connecting portion (6) and with fourth connecting portion (7) that second connecting portion (5) buckle is connected, the both sides of back casing (11) and procapsid (12) still the card be equipped with be used for hiding dress trim (8) of first connecting portion (4), third connecting portion (6), second connecting portion (5) and fourth connecting portion (7).

7. The screw concealed installation tower fan according to claim 6, wherein: be provided with first screw (41) on first connecting portion (4), be provided with casing buckle (51) on second connecting portion (5), be provided with on third connecting portion (6) after the assembly with second screw (61) that first screw (41) are aligned mutually, be provided with on fourth connecting portion (7) with casing bayonet socket (71) of casing buckle (51) looks adaptation, dress trim cover (8) still are used for hiding first screw (41), casing buckle (51), second screw (61) and casing bayonet socket (71).

8. The screw concealed installation tower fan according to claim 7, wherein: the both sides of back casing (11) still are provided with first spout (113), the both sides of procapsid (12) still correspond and are provided with second spout (123), be provided with on dress trim cover (8) with first spout (113) and second spout (123) looks adaptation slide fastener (81), the lower extreme of dress trim cover (8) respectively with back casing (11) and procapsid (12) fixed connection.

9. The screw concealed installation tower fan according to claim 8, wherein: the lower extreme of dress trim cover (8) is provided with outside bellied connecting portion (82), dress trim cover connecting hole (83) have been seted up on connecting portion (82), the lower extreme of back casing (11) be provided with dress trim cover connecting hole (83) third screw (114) of aiming at, the lower extreme of procapsid (12) be provided with dress trim cover connecting hole (83) fourth screw (124) of aiming at.

10. The screw concealed installation tower fan according to claim 9, wherein: the slide fastener (81) comprises a slide fastener connecting part (811) connected with the side surface of the decorative cover (8) and a slide fastener clamping part (812) connected with the slide fastener connecting part (811) and extending upwards, a slide fastener clamping groove (813) is formed among the slide fastener connecting part (811), the slide fastener clamping part (812) and the side surface of the decorative cover (8), and the slide fastener clamping groove (813) is clamped in the first sliding groove (113) and the second sliding groove (123) respectively during clamping; the upper end of the slide fastener clamping part (812) positioned at one side of the slide fastener clamping groove (813) is provided with a slide fastener guide sliding surface (814).