CN202111431U - Fastening connection mechanism for connection of box cover and box body of distribution box - Google Patents
Fastening connection mechanism for connection of box cover and box body of distribution box Download PDFInfo
- Publication number
- CN202111431U CN202111431U CN2011201718800U CN201120171880U CN202111431U CN 202111431 U CN202111431 U CN 202111431U CN 2011201718800 U CN2011201718800 U CN 2011201718800U CN 201120171880 U CN201120171880 U CN 201120171880U CN 202111431 U CN202111431 U CN 202111431U
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- fastening base
- fastening
- fastenedly connected
- securing member
- casing
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Abstract
The utility model discloses a fastening connection mechanism for connection of the box cover and the box body of a distribution box. The fastening connection mechanism comprises a fastening base, a fastener and a fixing element, wherein the fastening base is a cylindrical body; a central hole is formed along the central axis of the cylindrical body and a connection structure connected with the fastener is arranged on the wall of the central hole; the outer wall of the cylindrical body of the fastening base is matched with the inner wall of a fastening base mounting hole on the distribution box; the fixing element is used for fixing the fastening base in the fastening base mounting hole on the box body; and the fastener is used for penetrating through the insertion hole of the box cover and then connected and fastened with the connection structure in the fastening base, so that the box cover and the box body of the box are fastened and connected together. The fastening connection mechanism of the utility model is capable of greatly simplifying the mould structure of the box; only a set of small movable connection mechanism mould is needed to additionally produce a movable connection mechanism; and the large-scale production efficiency of the box body can be also effectively improved.
Description
Technical field
The utility model relates to the bindiny mechanism that a kind of distribution box is used, and what be specifically related to is a kind of case lid that is used for distribution box is connected usefulness with casing the mechanism that is fastenedly connected.
Background technology
In the prior art; The distribution box of distribution system is made up of casing and case lid, and from reducing chest weight and the requirement that requires in the case with the case exterior insulation, casing and case lid are plastic product; Injection mo(u)lding; But chest both need make cabinet interior form the space of a sealing casing and case lid locking in the process of using; Need again often to unpack and carry out power supply distribution maintenance, therefore, casing will adopt reliable flexible connection to be fastenedly connected mechanism with being connected of case lid.
In the existing plastic box product; The flexible connection of casing and case lid is fastenedly connected the normal form that is threaded that adopts of mechanism; Because tapping screw thread is easy to processing, cost is lower, so the said form great majority that are threaded are to adopt the tapping screw thread form; I.e. direct tap out on casing, and then be connected casing fastening with case lid through bolt.But for the chest more large-scale like this type of distribution box; What the desired diameter of thread was bigger and bolt need often be dismantled; The form that is threaded from merit just can not adopt; Because spiral shell footpath is being easy to cause connecting screw from the merit screw and producing very big distortion more than the M10 in tapping process, this distortion meeting constitutes fatefulue destruction to casing.Therefore; Existing distribution box is directly to inject internal thread at four jiaos of places of casing; Be that helicitic texture adopts the mode of production with the casing integrated injection molding, and then pass four jiaos of patchholes of case lid through bolt and be connected also fastening with the screw of casing corresponding to four jiaos of screws of casing.Its weak point is:
1. the die cost of casing injection moulding is very high: because casing is provided with internal thread; Helicitic texture must rotating stripping demoulding; Cause the complex structure of casing injection mold, therefore, this casing that has female thread structure can increase the cost of investment of mould greatly; And if in a casing, needed many places to be provided with helicitic texture, the cost of investment of mould could be higher.
2. the production efficiency of injection moulding casing is lower: in the production process of casing, because that the screw thread demoulding takes is longer, can influences the extensive of casing and produce fast, production efficiency is lower.
3. even if under condition of cost with high investment, also there are following two problems in this casing that is provided with internal thread:
The first is difficult to guarantee the injection moulding precision of internal thread, causes percent defective to increase;
It two is in use if the situation that certain internal thread lost efficacy, and can't change the internal thread at this place, can only cause the inefficacy of whole box body.
4. embedding the screw thread mold insert when using injection moulding instead can not address the above problem effectively: if embed the screw thread mold insert when being employed in the injection moulding casing; Casing of then every injection moulding all will be placed interior mold insert; Both be unfavorable for rapid large-scale production, and can be easy to generate defect ware owing to the reason of placing mold insert.
The utility model content
The purpose of the utility model provides a kind of case lid that is used for distribution box is connected usefulness with casing the mechanism that is fastenedly connected; Through the case lid of distribution box and the moving connecting mechanism of casing are separated manufacturing with the casing injection moulding; And then the technological transformation that is assembled into one, though need open the mould that a cover is fastenedly connected mechanism in addition, it does not only increase the production cost of distribution box; On the contrary; Also, reach the input cost that reduces the casing injection mold significantly, thereby reduce the production cost of distribution box and the purpose of enhancing productivity owing to can simplify the structure of casing injection mold greatly.And it is reasonable originally to be fastenedly connected mechanism structure, quick for installation reliable, and single mechanism has damaged can also dismounting and change, can effectively avoid distribution box to damage the waste situation appearance that causes whole chest to be scrapped because of being fastenedly connected mechanism individually.
The above-mentioned purpose of the utility model realizes through following technical scheme: a kind of case lid that is used for distribution box is connected the mechanism that is fastenedly connected of usefulness with casing; Comprise fastening base, securing member and retaining element; It is characterized in that: described fastening base is a cylindrical body; Axis along cylindrical body has centre bore, be provided with on its center hole wall and the securing member connection structure connecting, the outer wall of the cylindrical body of locking pedestal be used for distribution box on fastening base installing hole inwall suitable; Said retaining element then is used for fastening base is fixed on the fastening base installing hole on the casing; Said securing member then be used to pass behind the patchhole of case lid with fastening base in syndeton be connected and fastening, thereby the case lid and the casing of chest is fastenedly connected.
The described mechanism that is fastenedly connected of the utility model can adopt threaded connection, also can adopt grab bindiny mechanism.Retaining element wherein can adopt pin or screw or key, correspondingly will be provided with on the outer wall of fastening base and on the hole wall of casing fastening base installing hole and the location hole or the location notch of pinning or screw or key piece cooperate; Also can adopt the custom-designed telescopic retaining element that need not just can carry out fitting operation by instrument, correspondingly, on the outer wall of fastening base and the hole wall of casing fastening base installing hole all need corresponding fit structure.
The syndeton that is fastenedly connected mechanism's employing engage thread in the utility model; Concrete structure is following: said securing member is a fastening bolt; Have the internal thread that cooperates with fastening bolt in the centre bore of said fastening base, said fastening base is installed in the fastening base installing hole of casing, be fixed in the fastening base installing hole by retaining element; The patchhole that passes on the case lid with said fastening bolt again is threaded with fastening base, can realize that case lid is also fastening with being connected of casing.
The utility model can be done following improvement: retaining element adopts the custom-designed fixedly tubular construction that need not just can carry out by instrument fitting operation; Said retaining element is a stationary magazine creel; It is sagittate plug-in unit to the termination that extends below that the lower end of its cylindrical shell is arranged with a pair of, and the position symmetry of said cylindrical shell between said a pair of plug-in unit has draw-in groove; Correspondingly; The inwall of the fastening base installing hole on the distribution box is arranged with two arc locating pieces of protrusion; The upper surface of each piece arc locating piece is the leave from office terrace with one-level step and two step surfaces of terrace of appearing on the stage; The step junction is the vertical wall with barrier functionality, and the arc locating piece is " T " font structure, makes the placed channel that on hole wall, has constituted two " ⊥ " shapes between two arc locating pieces; The outer wall of said fastening base is provided with two fixture blocks of symmetry protrusion; In the time of in fastening base is fit into the fastening base installing hole on the casing; This symmetrical fixture block passes the leave from office terrace that arrives the upper surface of said arc locating piece behind the described symmetrical placed channel; The rotation fastening base makes this lower surface to fixture block move along the leave from office terrace on the arc locating piece; Prop up said wall until fixture block, so said fastening base fixture block is used to usefulness that fastening base is located in the fastening base installing hole of casing, so that the restriction fastening base can not move up and down in installing hole; And the plug-in unit of said stationary magazine creel; Then be used for when stationary magazine creel inserts the annular space between fastening base installing hole inwall and the fastening base, inserting the placed channel of said " ⊥ " shape; And utilize the open area place of the back dogging of arrow, thereby stationary magazine creel is fixed in the casing, simultaneously at placed channel; Draw-in groove on the stationary magazine creel then just in time with fastening base on fixture block match, thereby the restriction fastening base can not left-right rotation.
The utility model can also be done further improvement: have a vertical groove in the middle of the described plug-in unit; Make sagittate plug-in unit have elasticity; The arrow of plug-in unit is drawn in; Arrow restores after the forces, so that be buckled on the said placed channel at the easy described placed channel of insertion of the plug-in unit on the stationary magazine creel and through the barb fixed card.
For making fastening base and stationary magazine creel have better positioning action; The utility model can be done following improvement: the upper surface of said fastening base has at least one locating notch; The inwall of said retaining element is provided with and the suitable reference column of said locating notch; Reference column snaps in the locating notch behind said retaining element and the locking pedestal cutting ferrule, strengthens the motion of restriction locking pedestal.
The utility model can also further improve: the said mechanism that is fastenedly connected sets up the grab syndeton; Promptly offer the curved groove of the J font of opening from the upper surface on the hole wall above the internal thread in the fastening base centre bore downwards; Should form the continuous passage that can supply fastening grab to slide into by curved groove; The termination of curved groove is a groove tail ditch; Simultaneously, securing member constitutes " T " font structure by cap body and cylindrical fastener body, a projection is set at least as fastening grab on the sidewall of fastener body; When the securing member of clasp type passes the patchhole of case lid and fastening base on the casing is connected; Curved groove on the corresponding fastening base of the fastening grab of said securing member gets into curved groove downwards and locates down to the groove tail exit or entrance of a clitch along curved groove; Rotating securing member makes fastening grab get in the groove tail ditch; Promptly realized fixing securing member and being connected of fastening base, made the dual linkage function that mechanism has screw thread and grab that is fastenedly connected of the utility model.
In the utility model; Described fastening base, securing member and retaining element both can adopt metal material to process; Also can adopt engineering plastics to process,, also go for other chests that other similar distribution boxs are higher to seal request like this, build is bigger promptly applicable to distribution box.
Compared with prior art, the utlity model has following remarkable result:
(1) fastening base and the securing member that are fastenedly connected in the mechanism of the utility model are made separately respectively; Can significantly reduce the cost that product mold drops into; Be fastenedly connected mechanism when being fastenedly connected at same or same type chest plastic cement products when this needs repeatedly occurring; The locking element that the utility model is fastenedly connected in the mechanism only need be opened once the slight mould of cover and can realize; Can not let producer in same product, repeat repeatedly, let product in the like product competition, have good market price advantage the mould input of this type of mechanism.
(2) the utility model to be fastenedly connected mechanism easy to use, can adopt is threaded is connected two kinds of connected modes with grab, the user can select the mechanism that is fastenedly connected of different structure to use according to individual's the hobby or the needs of product.
(3) the mechanism product of being fastenedly connected of the utility model uses lightly, and the locking element that is fastenedly connected in the mechanism all can adopt plastic cement to make, and not only operates lightly, also can reduce the weight of whole chest simultaneously.
(4) the utility model to be fastenedly connected mechanism safe in utilization; The locking element that is fastenedly connected in the mechanism all can adopt insulating properties than engineering plastics higher, that intensity is harder such as the injection mo(u)lding of PC+ glass fiber compound material, guarantees that this is fastenedly connected mechanism and in product uses, is difficult for electric leakage and destruction
(5) being fastenedly connected mechanism and in like product, can making general part of the utility model adopts little mould to manufacture, and can improve Products Development efficient greatly, reduces the cost of investment of product.
Description of drawings
Below in conjunction with accompanying drawing and embodiment the utility model is explained further details.
Fig. 1 is that the utility model is fastenedly connected the overall structure sketch map that mechanism for implementing example one is installed in the distribution box;
Fig. 2 is the installation diagram that the utility model is fastenedly connected mechanism for implementing example one;
Fig. 3 is the explosive view that the utility model is fastenedly connected mechanism for implementing example one;
Fig. 4 installs the partial top view that the utility model is fastenedly connected the distribution box of mechanism for implementing example one, shows the structure of fastening base installing hole inner part;
Fig. 5 is that the utility model is fastenedly connected fastening base and the interior structural representation of fastening base installing hole in the mechanism for implementing example one, shows the installation site relation between fastening base and the arc locating piece;
Fig. 6 is that the utility model is fastenedly connected that retaining element is installed in the structural representation in the fastening base installing hole in the mechanism for implementing example one, shows the installation site relation between retaining element and the placed channel;
Fig. 7 is that the utility model is fastenedly connected that retaining element inserts the scheme of installation in the fastening base installing hole that fastening base is installed in the mechanism for implementing example one;
Fig. 8 is that the utility model is fastenedly connected the overall structure sketch map that mechanism for implementing example two is installed in the distribution box;
Fig. 9 is that the utility model is fastenedly connected the installation diagram that is fastenedly connected mechanism in the mechanism for implementing example three, and this moment, securing member had fastening grab;
Figure 10 is that the utility model is fastenedly connected another installation diagram that is fastenedly connected mechanism in the mechanism for implementing example three, and this moment, securing member was a fastening bolt;
Figure 11 is the explosive view of Figure 10.
Description of reference numerals
1, casing; 11, fastening base installing hole; 12, arc locating piece; 121, leave from office terrace; 122, wall;
14, placed channel; 2, case lid; 21, patchhole; 22, shoulder; 3, securing member;
31, fastening grab; 32, preloading spring; 33, cap body; 34, fastener body;
4, retaining element; 41, plug-in unit;
42, draw-in groove; 43, vertical groove; 44, pin unit; 45, barb; 5, fastening base;
51, curved groove; 52, groove tail ditch; 53, fixture block; 54, centre bore; 55, locating notch;
56, marginal ridge; 6, clamping screw; 61, external screw thread; 62, neck
Embodiment
Embodiment one
The mechanism that is fastenedly connected that is connected usefulness with casing to a kind of case lid that is used for distribution box shown in Figure 7 like Fig. 1 is one of embodiment of the utility model; Distribution box comprises casing 1 and case lid 2; Case lid 2 has the patchhole 21 that supplies securing member 3 plug-in mountings; According to design demand four fastening base installing holes 11 are set on the casing 1, promptly respectively establish a vertical fastening base installing hole 11 at the place, four angles of casing, the described mechanism that is fastenedly connected comprises fastening base 5, securing member 3 and retaining element 4; Fastening base 5 is a cylindrical body; Axis along cylindrical body has centre bore 54, be provided with on its center hole wall and securing member 3 connection structure connecting, the outer wall of the cylindrical body of locking pedestal 5 be used for distribution box on fastening base installing hole 11 inwalls suitable; 4 of retaining elements are used for fastening base 5 is fixed on the fastening base installing hole 11 on the casing 1; 3 of securing members are used to pass that patchhole 21 backs of case lid 2 are connected with syndetons in the fastening base 5 and fastening, thereby case lid 2 and casing 1 are fastenedly connected.
The described mechanism that is fastenedly connected of the utility model adopts grab bindiny mechanism, and concrete structure is following: securing member 3 constitutes " T " font by cap body 33 and cylindrical fastener body 34, and projection of protrusion is as fastening grab 31 on the sidewall of fastener body; Said fastening base 5 is the cylinder of band marginal ridge 56 and hook groove; Be that fastening base 5 is cylinder; Cylindrical sidewall is provided with two fixture blocks 53 of symmetry protrusion; Have the bigger marginal ridge of external diameter 56 on the outer end, lower end, direction offers centre bore 54 to fastening base 5 along the cylinder axis, offers the curved groove 51 of the J font of opening from the upper surface on the sidewall of fastening base 5 downwards; Should form the continuous passage that can supply grab to slide into by curved groove 51; The termination of curved groove 51 is the groove tail ditch 52 slightly higher than translot, fastening base 5 is installed in the fastening base installing hole 11 of casing 1, is fixed in the fastening base installing hole 11 by retaining element 4; Insert in the centre bore 54 of the fastening base 5 in the casings 1 patchhole 21 back of passing case lid 2 with fastener body 34 again; Curved groove 51 on the corresponding fastening base 5 of 31 need of the fastening grab of said securing member 3 get into curved groove downwards and along curved groove down to 52 mouthfuls of places of groove tail ditch, rotate securing member 3 and make fastening grab 31 get in the groove tail ditches 52, realization securing member 3 was fixed with being connected of fastening base 5.
For preventing that securing member 3 is being connected fastening back becoming flexible with fastening base 5; Top loop at securing member 3 is with preloading spring 32; The inwall of the patchhole 21 of case lid 2 is provided with the shoulder 22 of protrusion, and the two ends of preloading spring 32 are can be respectively inconsistent with the shoulder 22 of the cap body 33 of securing member 3 and case lid 2 patchholes 21, pretightning force upwards are provided for securing member 3; Fastening grab 31 is stuck in the groove tail ditch 52 all the time, prevents that securing member 3 is loosening.
In the present embodiment; Retaining element 4 adopts the custom-designed fixedly tubular construction that need not just can carry out by instrument fitting operation; Abbreviate stationary magazine creel as; Cylindrical shell external diameter and installing hole internal diameter adapt, and the internal diameter of cylindrical shell then adapts with the external diameter of fastening base, and it is sagittate plug-in unit 41 to the termination that extends below that the lower end of cylindrical shell is arranged with a pair of; Thereby be used for inserting placed channel 14 retaining element 4 is fixed in the fastening base installing hole 11, symmetry has draw-in groove 42 on retaining element 4 sidewalls between said two plug-in units 41; Correspondingly; The inwall of the fastening base installing hole 11 on the distribution box is arranged with two arc locating pieces 12 of protrusion; The upper surface of each piece arc locating piece 12 is the leave from office terrace 121 with one-level step and two step surfaces of terrace of appearing on the stage; The step junction is the vertical wall 122 with barrier functionality; The wall 122 at step place plays the block effect, and arc locating piece 12 is " T " font structure, makes the placed channel 14 that on hole wall, has constituted two " ⊥ " shapes between two arc locating pieces 12; The outer wall of fastening base 5 is provided with two fixture blocks 53 of symmetry protrusion; The cylinder outer wall of fastening base 5 and arc locating piece 12 formed inwalls adapt; In the time of in fastening base 5 is fit into the fastening base installing hole 11 on the casing 1; This symmetrical fixture block 53 passes the leave from office terrace 121 that symmetrical placed channel 14 backs arrive the upper surface of arc locating piece; Rotation fastening base 5 makes this lower surface to fixture block move along the leave from office terrace 121 on the arc locating piece, props up wall 122 until fixture block 53, and the marginal ridge 56 of fastening base 5 arrives to arc locating piece 12; So fastening base fixture block 53 is used to make the usefulness of fastening base 5 location in the fastening base installing hole 11 of casing 1, so that restriction fastening base 5 can not move up and down in installing hole; And the plug-in unit 41 of stationary magazine creel; Then be used for when stationary magazine creel inserts the annular space between fastening base installing hole 11 inwalls and the fastening base 5, inserting the placed channel of " ⊥ " shape; And utilize the open area place of the back dogging of arrow, thereby stationary magazine creel is fixed in the casing, simultaneously at placed channel; 42 of draw-in grooves on the stationary magazine creel just in time with fastening base 5 on fixture block 53 match, thereby restriction fastening base 5 can not left-right rotation.
Have a vertical groove 43 in the middle of the described plug-in unit 41; Make sagittate plug-in unit 41 have elasticity; The arrow of plug-in unit is drawn in; Arrow restores after the forces, so that be buckled on the said placed channel at the easy described placed channel of insertion of the plug-in unit on the stationary magazine creel and through the barb fixed card.
The upper surface of the fastening base 5 in the present embodiment has three locating notches 55; The inwall of retaining element 4 is provided with the reference column suitable with locating notch 55; The shape and structure of reference column and locating notch 55 adapts; Reference column snaps in the locating notch 55 behind retaining element 4 and fastening base 5 cutting ferrules, strengthens the motion of restriction fastening base 5.
The installation process that is fastenedly connected mechanism in the present embodiment distribution box is following:
At first fastening base 5 is packed into from the fastening base installing hole 11 in the casing from bottom to top; The fixture block 53 of fastening base 5 passes placed channel 14; Rotation fastening base 5 makes the lower surface of this fixture block 53 rotate along the leave from office terrace of arc locating piece 12 upper ends 121, props up wall 122 until fixture block 53;
Then retaining element 4 is inserted in the annular space between fastening base installing hole 11 and the fastening base 5 from top to bottom; Through the placed channel 14 on the pin unit 44 insertion fastening base installing holes 11; Be buckled on the port of placed channel 14 through barb 45 fixed card, retaining element 4 is fixing, and the fixture block 53 of fastening base 5 inserts in the draw-in groove 42 simultaneously; Restriction fastening base 5 can not rotate, thereby fastening base 5 is fixed in the fastening base installing hole 11;
At last securing member 3 is inserted in the patchhole 21 of case lid from top to bottom; At the fastening base installing hole 11 that gets into casing 1; The fastening grab 31 of securing member 3 gets into curved groove 51 backs of fastening base 5 downwards and rotates; Make fastening grab 31 trips live the groove tail ditch 52 of curved groove 51, realize the locking of securing member 3 and fastening base 5, thereby case lid 2 and casing 1 are fastenedly connected.
Variation as present embodiment; Being fastenedly connected mechanism and can adopting following form in the present embodiment; Do not establish arc locating piece 12 in the fastening base installing hole 11 of casing 1, the internal diameter of the external diameter of fastening base 5 and fastening base installing hole 11 adapts, and the fixed form of fastening base 5 is following:
Mode one, retaining element are pin: fastening base 5 is installed in the casing 1 through the dowel fixes of horizontal plug-in mounting;
Mode two, retaining element are rivet: fastening base 5 is fixedly mounted in the casing 1 through the rivet of horizontal plug-in mounting;
Mode three, fix: be between the fastening base installing hole of offering in fastening base 5 and the casing 1 11 promptly fastening base 5 to be fixed on tight fit in the fastening base installing hole 11 through interference fit through the interference fit between the axle of hole.
Can offer internal thread in the centre bore 54 of present embodiment fastening base 5, also can not offer internal thread, when it offers internal thread, can be used with the securing member among the embodiment two.
Fastening base in the distribution box in the present embodiment, securing member and retaining element all adopt metal or engineering plastics to process; The preferred insulating properties that adopts is difficult for leaking electricity and destroying in the distribution box product uses than the material PC+ glass fiber compound material injection mo(u)lding higher, that intensity is harder.
Embodiment two
The case lid that the utility model is used for distribution box is connected the embodiment that is fastenedly connected mechanism two of usefulness with casing as shown in Figure 8; Wherein fastening base 5 also is to be fixed in the fastening base installing hole 11 in the casing 1 as retaining element through retaining element 4; With implement one and different be; The mechanism that is fastenedly connected of present embodiment adopts threaded connection
Concrete structure is following: securing member is the fastening bolt 6 that the lower end has external screw thread 61; In that being changed into, the hook groove among the embodiment one has the internal thread that cooperates with fastening bolt 6 with the fastening base difference of embodiment one in the centre bore 54; Fastening base 5 is installed in the fastening base installing hole 11 of casing 1; Be fixed in the fastening base installing hole 11 by retaining element 4; The patchhole 21 that passes on the case lid 2 with fastening bolt 6 again is connected with the internal thread of fastening base 5, can realize that case lid 2 is fastening with being connected of casing 1.Fastening bolt 6 has the neck 62 of size greater than its bar portion, when fastening bolt 6 is fastening, pushes the shoulder 22 of case lid through neck 62, and case lid 2 and casing 1 are fastenedly connected.
Embodiment three
The case lid that the utility model is used for distribution box is connected usefulness with casing the embodiment that is fastenedly connected mechanism three like Fig. 9 to shown in Figure 11; It is a kind of execution mode that the utility model combines embodiment one and embodiment two; Be that with embodiment two differences fastening base 5 both had internal thread with embodiment one in centre bore 54, offer the curved groove 51 of the J font of opening from the upper surface again on the hole wall above the internal thread in fastening base 5 centre bores downwards; Like this; In actual use, both can be used, also can be used with the securing member among the embodiment two with the securing member among the embodiment one.
The described mechanism that is fastenedly connected of the utility model can adopt threaded connection, also can adopt grab bindiny mechanism.Retaining element wherein can adopt pin or screw or key, correspondingly will be provided with on the outer wall of fastening base and on the hole wall of casing fastening base installing hole and the location hole/groove of pinning or screw or key piece cooperate; Also can adopt the custom-designed telescopic retaining element that need not just can carry out fitting operation by instrument, correspondingly, on the outer wall of fastening base and the hole wall of casing fastening base installing hole all need corresponding fit structure.
The foregoing description of the utility model is not the qualification to the utility model protection range; The execution mode of the utility model is not limited thereto; According to the foregoing of the utility model,, do not breaking away under the above-mentioned basic fundamental thought of the utility model prerequisite according to the ordinary skill knowledge and the customary means of this area; Modification, replacement or the change of other various ways that the utility model said structure is made all should drop within the protection range of the utility model.
Claims (10)
1. a case lid that is used for distribution box is connected the mechanism that is fastenedly connected of usefulness with casing; Comprise fastening base, securing member and retaining element; It is characterized in that: described fastening base is a cylindrical body; Axis along cylindrical body has centre bore, is provided with and the securing member connection structure connecting on its center hole wall, and the outer wall and the fastening base installing hole inwall on the distribution box of the cylindrical body of locking pedestal are suitable; Said retaining element is fixed on fastening base in the fastening base installing hole on the casing; Said securing member pass behind the patchhole of case lid with fastening base in syndeton be connected and fastening.
2. the mechanism that is fastenedly connected according to claim 1; It is characterized in that: described retaining element is pin or screw or key, correspondingly is being provided with on the outer wall of fastening base and on the hole wall of casing fastening base installing hole and the perhaps location hole or the location notch that cooperate of screw or key piece of pin.
3. the mechanism that is fastenedly connected according to claim 1; It is characterized in that: said retaining element is a stationary magazine creel; It is sagittate plug-in unit to the termination that extends below that the lower end of its cylindrical shell is arranged with a pair of, and the position symmetry of said cylindrical shell between said a pair of plug-in unit has draw-in groove; Correspondingly; The inwall of the fastening base installing hole on the distribution box is arranged with two arc locating pieces of protrusion; The upper surface of each piece arc locating piece is the leave from office terrace with one-level step and two step surfaces of terrace of appearing on the stage; The step junction is the vertical wall with barrier functionality, and the arc locating piece is " T " font structure, makes the placed channel that on hole wall, has constituted two " ⊥ " shapes between two arc locating pieces; The outer wall of said fastening base is provided with two fixture blocks of symmetry protrusion; In the time of in fastening base is fit into the fastening base installing hole on the casing; This symmetrical fixture block passes the leave from office terrace that arrives the upper surface of said arc locating piece behind the described symmetrical placed channel; The rotation fastening base makes this lower surface to fixture block move along the leave from office terrace on the arc locating piece, props up said wall until fixture block, and the draw-in groove on the stationary magazine creel matches with fixture block on the fastening base.
4. the mechanism that is fastenedly connected according to claim 3 is characterized in that: have a vertical groove in the middle of the described plug-in unit.
5. the mechanism that is fastenedly connected according to claim 4; It is characterized in that: the upper surface of said fastening base has at least one locating notch; The inwall of said retaining element is provided with and the suitable reference column of said locating notch, and reference column snaps in the locating notch behind said retaining element and the locking pedestal cutting ferrule.
6. according to each described mechanism that is fastenedly connected of claim 1 to 5, it is characterized in that: have internal thread in the centre bore of said fastening base, fastening base is fixed in the fastening base installing hole by retaining element.
7. the mechanism that is fastenedly connected according to claim 6; It is characterized in that: said securing member is a fastening bolt; Internal thread in the centre bore of said fastening base cooperates with fastening bolt, and the patchhole that said fastening bolt passes on the case lid is threaded with fastening base.
8. the mechanism that is fastenedly connected according to claim 6; It is characterized in that: the said mechanism that is fastenedly connected sets up the grab syndeton; Promptly offer the curved groove of the J font of opening from the upper surface on the hole wall above the internal thread in the fastening base centre bore downwards, this curved groove forms a continuous passage, and the termination of curved groove is a groove tail ditch; Said securing member is " T " font structure, and securing member is provided with at least one projection as fastening grab; When the securing member of clasp type passes the patchhole of case lid and fastening base on the casing is connected; Curved groove on the corresponding fastening base of the fastening grab of said securing member gets into curved groove downwards and locates down to the groove tail exit or entrance of a clitch along curved groove, rotates securing member and makes fastening grab get in the groove tail ditch.
9. the mechanism that is fastenedly connected according to claim 8 is characterized in that: said securing member constitutes " T " font structure by cap body and cylindrical fastener body, a projection is set at least as fastening grab on the sidewall of fastener body.
10. the mechanism that is fastenedly connected according to claim 9 is characterized in that: described fastening base, securing member and retaining element all adopt metal material or engineering plastics to process.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011201718800U CN202111431U (en) | 2011-04-28 | 2011-05-26 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201110110717 | 2011-04-28 | ||
| CN201110110717.8 | 2011-04-28 | ||
| CN2011201718800U CN202111431U (en) | 2011-04-28 | 2011-05-26 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN202111431U true CN202111431U (en) | 2012-01-11 |
Family
ID=44697496
Family Applications (2)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011201718800U Expired - Lifetime CN202111431U (en) | 2011-04-28 | 2011-05-26 | Fastening connection mechanism for connection of box cover and box body of distribution box |
| CN201110138507.XA Expired - Fee Related CN102208787B (en) | 2011-04-28 | 2011-05-26 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Family Applications After (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201110138507.XA Expired - Fee Related CN102208787B (en) | 2011-04-28 | 2011-05-26 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Country Status (1)
| Country | Link |
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| CN (2) | CN202111431U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208787A (en) * | 2011-04-28 | 2011-10-05 | 佛山市海默工业技术有限公司 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108120860A (en) * | 2017-12-04 | 2018-06-05 | 天津天慧通科技有限公司 | Novel ammeter case is fixed device |
| CN111482844B (en) * | 2020-05-13 | 2021-11-19 | 无锡雨田精密工具有限公司 | Cutter box |
| CN112550183B (en) * | 2020-12-16 | 2023-01-31 | 重庆千能实业有限公司 | Lightweight automobile front wallboard of making an uproar that falls |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4786225A (en) * | 1981-12-14 | 1988-11-22 | Hartwell Corporation | Stand-off fastener |
| DE19527053A1 (en) * | 1995-07-25 | 1997-01-30 | Bopla Gehaeuse Systeme Gmbh | Plastics housing connector with tongue and groove locking - uses lugs on ends of tongues and additional grooves for spacer-initiated closure and tooled release providing latched closure and withdrawal positions |
| JP3135045B2 (en) * | 1996-05-24 | 2001-02-13 | 矢崎総業株式会社 | Fixing structure of electronic unit housed in electronic unit box |
| FR2858479B1 (en) * | 2003-07-29 | 2005-09-02 | Schneider Electric Ind Sas | CLOSURE DEVICE FOR BOX. |
| CN202111431U (en) * | 2011-04-28 | 2012-01-11 | 佛山市海默工业技术有限公司 | Fastening connection mechanism for connection of box cover and box body of distribution box |
-
2011
- 2011-05-26 CN CN2011201718800U patent/CN202111431U/en not_active Expired - Lifetime
- 2011-05-26 CN CN201110138507.XA patent/CN102208787B/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102208787A (en) * | 2011-04-28 | 2011-10-05 | 佛山市海默工业技术有限公司 | Fastening connection mechanism for connection of box cover and box body of distribution box |
| CN102208787B (en) * | 2011-04-28 | 2014-07-09 | 广东黑默工业技术有限公司 | Fastening connection mechanism for connection of box cover and box body of distribution box |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102208787A (en) | 2011-10-05 |
| CN102208787B (en) | 2014-07-09 |
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| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: GUANGDONG HEIMO INDUSTRIAL TECHNOLOGY CO., LTD. Free format text: FORMER NAME: FOSHAN HAIMO INDUSTRIAL TECHNOLOGY CO., LTD. |
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| CP01 | Change in the name or title of a patent holder |
Address after: Beijiao town Shunde District Foshan city Guangdong province 528311 three Hong Qi neighborhood Sanle northbound No. 1 E Building 2 floor West Block Patentee after: FOSHAN HEIMO INDUSTRY TECHNOLOGY CO.,LTD. Address before: Beijiao town Shunde District Foshan city Guangdong province 528311 three Hong Qi neighborhood Sanle northbound No. 1 E Building 2 floor West Block Patentee before: Foshan Heime Industrial Technology Co., Ltd. |
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| AV01 | Patent right actively abandoned |
Granted publication date: 20120111 Effective date of abandoning: 20140709 |
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| RGAV | Abandon patent right to avoid regrant |