CN202473655U - Mechanical structure of wall electric switch box having glass face plate - Google Patents

Abstract

The utility model provides a mechanical structure of a wall electric switch box having a glass face plate and belongs to the technical field of civil electric appliance. The wall electric switch box having the glass face plate belongs to top grade luxury products and is used in top grade hotels and restaurants. A prior wall electric switch box having a glass face plate in the market has shortcomings and is not convenient for onsite installation, disassembly and maintenance. A plastic box needs to split with the glass face plate and then wire connection or wire dismantlement is realized. The onsite installation, disassembly and maintenance are troublesome and have low efficiency. And a gap is left between the glass face plate and the plastic box, thereby affecting the appearance. According to the utility model, improvements are made to shapes and structures of three main components of a middle frame, a bottom box and a base plate of a box body, and two components of a flat pin and a bow spring piece are added. After the box body is installed on a wall, with the help of an elastic force of the bow spring piece, a pin tongue of the flat pin enters into a clamping keyhole of the bottom plate while a pin tail pushes into a pin hole, thereby fixing the box body. The wall electric switch box having the glass face plate provided by the utility model can be installed or disassembled integrally, quickly and efficiently. No gap exposes and the nice appearance is maintained. Since a positioning instruction is provided, the height accordance of multiple box bodies is easy to realize when the box bodies need to installed in parallel.

Description

A kind of mechanical structure of face glass wall appliance switch box

Technical field

The utility model has provided a kind of mechanical structure of face glass wall appliance switch, belongs to the civil electric appliance technical field.Home-use electrical outlets, appliance switch generally adopts the square plastic box now, embeds in the body of wall embedded box, and electric wire lays away concealed wire, to keep indoor attractive in appearance.These square plastic box length and width have been standardized as 86mm, call " 86 box " to this electrical outlets box, appliance switch box traditionally, and its panel material is also used plastics, and price is comparatively cheap, belongs to the low and middle-grade products for civilian use.In high-grade hotel, usefulness be " 86 box " of face glass, face glass has decorative pattern more, in glory mapping is arranged, make us pleasing, luxurious style seems.

Background technology

" 86 box " of face glass, except panel adopts glass material, box body still adopts engineering plastics, and fixture adopts the stamping forming member of iron sheet.Switch also has touch except the mechanical type button is arranged." 86 box " of the face glass of selling on the current market; Box body structure is designed to " plastics center ", " plastic bottom box ", " iron sheet fixed base plate " three-major-items, the mode that all adopts face glass and plastic casing to install respectively during installation, and plastic casing will carry out field stripping with face glass to be separated; Line then; Trouble is installed, and work efficiency is low, also influences installation quality; And install between back face glass and the plastic casing and stay the slit, sweep people's aesthetic mood, diminish reliability of products and attractive in appearance.

Summary of the invention

Investigate " 86 box " of the face glass of selling on the current market, cause trouble is installed, back influence reason attractive in appearance be installed be the structural design of box body unreasonable due to.

The utility model has been made improvement to structural design, and improved target is:

1, " 86 box " of face glass, assembling and setting becomes as a whole before dispatching from the factory; Integral installation during on-the-spot the installation; Need not face glass be dismantled with plastic casing and separate, only need to connect the external loading electric wire and get final product, it is in place even can to detain extension after the good load wires; Be fastened on the iron sheet fixed base plate also removed easily during maintenance.

2, face glass embeds in " plastics center ", even if there is the slit also invisible between face glass and the plastic casing, keeps outer aesthetic.

3, if there are a plurality of " 86 boxes " to install side by side,, be prone to accomplish highly concordant by the location indication.

The utility model only relates to the box body design, does not relate to " 86 box " inner electric wiring.Though " plastic bottom box " (hereinafter to be referred as end box), " plastics center " (hereinafter to be referred as center) and " iron sheet fixed base plate " (hereinafter to be referred as base plate) three-major-items mode have been continued to use in the box body design, and its mechanical structure has been done improvement.Improved measure is:

1, center has designed four frames, sees that from each side face glass embeds fully, does not have and meets the crack to expose, and keeps attractive in appearance.

2, increased a plane pin, use material to be engineering plastics.Center glass embeds the bottom of face and has reserved one " plane pin groove " (hereinafter to be referred as groove); This groove is according to the outer contour shape design of " plane pin "; Depth of groove and groove size are slightly larger than the plane pin; The plane pin can slide up and down freely in groove, but sliding stroke is not approximately about 1mm.The bottom frame of center has been opened one " elongated square pin-and-hole " (hereinafter to be referred as pin-and-hole), can regard extending naturally of groove as, and the pin tail can insert in this pin-and-hole when the plane pin glided, and the plane pin is inserted into that to sell tail after the position concordant with the frame of center, keeps attractive in appearance.

3, increased an arcuate bombing leaf, after the installation in position, by the elastic force of arcuate bombing leaf, the snib hole of base plate is gone in the pin tonguing of plane pin to box body on the wall, in the pin tail jacking pin-and-hole, box body is fixed.

4; The back side of center is that end box embeds face (embedding face hereinafter to be referred as end box); Respectively designed two " end box embeds bolts " in the and arranged on left and right sides frame of end box embedding face, the application of force just can be pressed into the left and right both sides of end box in the end box embedding bolt slightly, and end box and center are fixed into one; Two " chucking lug breach " of base plate have respectively been designed on the frame of box embedding face both sides, the end; End box embeds in the frame of face top and has designed four " base plate embedding bolts ".The cross sectional shape that end box embeds bolt and base plate embedding bolt is right-angled trapezium.

5, respectively there is a screw hole both sides, middle part of base plate, are " 86 box " fixing usefulness on the wall; The upper design of base plate two buttons hang limits, adopt punch forming, see that from the back side button hangs the limit and be recessed shape, button is hung the limit and can be pushed and plugged base plate obliquely along embedding face and embed in the bolt; Designed " plane pin snib " (hereinafter to be referred as snib) in the middle of the bottom of base plate, also adopted punch forming, seen from the front to stamp out one " projection "; This projection is exactly a snib; And subsidiary process a bigger trapezoidal hole, and this trapezoidal hole promptly is " snib hole ", the pin tongue of plane pin can get into the snib hole, the pin tail heads into pin-and-hole; Qualification by base plate embedding bolt and plane pin just can be fixed on whole box body on the base plate.The and arranged on left and right sides of base plate has respectively designed two " chucking lugs "; After the installation; Chucking lug embeds in the base plate chucking lug breach of center, does the height reference when it act as on the wall with the fixing side by side a plurality of base plate of screw, convenient a plurality of " 86 boxes " install side by side accomplish highly concordant.

6, change has also been done in the design of box of the corresponding end, and two " buckle hang limit breach " are reserved on the top of end box, and one " snib hole breach " reserved in the bottom of end box, and this three " breach " makes base plate be close to end box for the base plate position of transferring to other use out; One " prizing breach " respectively reserved at the middle part of the and arranged on left and right sides of end box, conveniently end box separated with center.

Description of drawings

Statement earlier a bit; So-called positive, the back side, be meant that box body installs after, box body surface simultaneously is called the front to that of user; That of user simultaneously is called the back side dorsad, comprise wherein parts as center, end box, base plate, plane pin etc. all so positive, the back side of definition.

Fig. 1 is the positive sketch map of center, and big figure is a front view, and the right is front view A-A step profile figure, and bottom is a upward view, and the left side is a right view

Fig. 2 is the sketch map at the center back side, and big figure is a front view, and the left side is a right view, and right view has been made step profile along front view D-D, and this view has also been drawn the signal of base plate embedding center and pin entering snib hole, plane and pin-and-hole.

Fig. 3 is the sketch map that end box embeds center, and top is front view, and the bottom is a vertical view, and vertical view is the profile of doing along front view C-C section.

Fig. 4 is the sketch map of base plate, and upper left quarter is the front view of base plate, and lower left quarter is the vertical view of base plate, and right part is the left view of base plate.

Fig. 5 is the sketch map of plane pin and arcuate bombing leaf, and upper left is the front elevation of plane pin, also is front view; Under the left side is vertical view; The centre is the B-B section of front view, and the right is the dorsal view of plane pin, illustrates the modes of emplacement of arcuate bombing leaf and plane pin in groove.

Fig. 6 is the sketch map of end box, and the left side is a front view, and the right is a left view.

Fig. 7 is a front schematic view after the box body assembled

The implication that each sequence number is represented among the figure is:

(1) frame of center (3) end box embeds face

(2) glass embeds face (4) chucking lug breach

(5) groove (16) pin tongue

(6) square through hole (17) pin tail

(7) pin-and-hole (18) pin frame

(8) base plate embeds bolt (19) arcuate bombing leaf

(9) end box embeds bolt (20) and buckles extension limit breach

(10) snib (21) snib breach

(11) snib hole (22) prize breach

(12) button is hung limit (23) center

(13) chucking lug (24) end box

(14) screw hole (25) base plate

(15) pin head (26) plane pin

Embodiment

Come the invention place of figures and explanation the utility model below in conjunction with embodiment.

Fig. 1 is the center front schematic view of the utility model " 86 box ", and expression embeds that one side of glass; The centre is a front view, and the right is a left view, and A-A has made step profile along front view, and the left side is a right view, and bottom is a upward view.

(1) is the frame of center among the figure, and all there is frame on four limits, and its overall size is that 86mm is square, this standardization, (2) are that glass embeds face, and the width of this face frame is widens somewhat, and four limits of glass embed in it fully, can not expose, and guarantee attractive in appearance.(3) be that the end box of center embeds face, (4) are the chucking lug breach, and (5) are grooves, embed the usefulness of plane pin, be in center the position that hits exactly, bottom, left-right symmetric.The surface of groove is on the same plane; The long and narrow square through hole (6) (hereinafter to be referred as square through hole) of a horizontal direction has been opened at the middle part of groove; The snib of waiting until base plate gets into, and (7) are pin-and-holes, and the pin tail of plane pin can insert in it; Be inserted into the surperficial flush of back, position and frame, keep good looking appearance.

Fig. 2 is the center schematic rear view, and the right is the front view at the center back side, and the left side is a right view, and D-D has made step profile along front view.This view has also been drawn the signal of base plate (25) embedding center and plane pin entering snib and pin-and-hole.

(8) are that base plate embeds bolt among the figure, and the cross sectional shape that base plate embeds bolt is a right-angled trapezium, from right view, can clearly watch, and the inwall of the base of this right-angled trapezium and center frame has been formed " hook " shape, and the button that " hooking " base plate (25) embeds is hung limit (12); (10) be the snib of base plate, snib passes square through hole (6); (9) be that end box embeds bolt, end box embeds the structure that the similar base plate of bolt embeds bolt, and cross sectional shape also is a right-angled trapezium, and the inwall of the base of right-angled trapezium and center frame has been formed " hook " shape, the end box that " hooking " embeds; After the plane pin was inserted into the position, pin tongue (16) got in the snib hole (11), pin tail (17) gets in the pin-and-hole (7).

Fig. 3 is the sketch map that end box embeds center, and top is front view, and the bottom is a vertical view, and vertical view is the profile of doing along front view C-C section.(4) among the figure are the chucking lug breach, and (8) are that base plate embeds bolt, and (9) are that end box embeds bolt, and (20) are that button is hung the limit breach, and (21) are the snib breach, and (22) are to prize breach, and (23) are centers, and (24) are end boxes.

During assembling; Should earlier end box be embedded center: tilt slightly and insert in the end box embedding bolt (9) on the left side (or the right) to the left side of end box (or the right) along the slip of end box embedding face; " hooked " left side (or the right) of end box, exerted pressure in the right (or left side) of end box then, the right of end box (or left side) hypotenuse of right-angled trapezium that box embeds bolt the end of along is to lower slider; Utilize a little strain of center; Be pressed into end box and embed in the bolt, so the right and left of end box all is fixed, and end box just has been linked to be one with center.Take end box and center if desired apart, can a flat young bottle opener insertion be prized in the breach (22), add little force and just can end box be prized.

Fig. 4 is the sketch map of base plate, and upper left quarter is the front view of base plate, and lower left quarter is the vertical view of base plate, and right part is the left view of base plate.

(14) are the screw holes among the figure, are positioned at the middle part of base plate, and both sides respectively have one, are used for base plate is fixed on the wall, in the time of field erected, at first will fix base plate on the wall.(10) be snib, be in the bottom center position of base plate, overlook and be isosceles trapezoid, punch forming subsidiaryly processes a bigger isosceles trapezoid hole, Here it is snib hole (11).(12) being that button is hung the limit, seeing that from the back side button extension limit is recessed shape, also is punch forming.Earlier end box and center are assembled into one during assembling, again the button of base plate are hung limit (12) and push and plug obliquely in the base plate embedding bolt along box surface, the end, base plate embeds the top that bolt just " has hooked " base plate; The snib of base plate bottom (10) then passes the square through hole (6) on the center, and the pin tongue (16) of plane pin gets in the snib hole (11), the bottom of the fixed base plate that interconnects in the pin-and-hole (7) of pin tail (17) entering center.(13) be chucking lug, have four, be distributed in base plate about on two limits, each one up and down on every limit, and left-right symmetric, whether concordant also symmetry up and down play a plurality of " 86 boxes " indicated altitude effect when installing side by side.The thickness of snib (10) has only more than one millimeter, and its top did not exceed glass embedding face after snib put in place, can not occur the part not being arranged by the phenomenon of jack-up when face glass embeds, and guarantees that embedding is smooth.The plane pin is inserted into the position, and is just in time concordant with the frame of center behind the pin tail entering pin-and-hole, keeps frame smooth, designs very ingenious.

Fig. 5 is the sketch map of plane pin and arcuate bombing leaf, and upper left is the front elevation of plane pin, also is front view; Under the left side is vertical view; The centre is the B-B section left view of front view, and the right is the dorsal view of plane pin, signal arcuate bombing leaf and the modes of emplacement of plane pin in groove.

The square box of a hollow of plane pin shape approximation is the pin frame all around, and the upper pin frame is longer, and the lower pin frame can embed pin-and-hole, has given a special title on the pin tail.(15) are the pin heads of plane pin among the figure, fuse with the upper pin frame, are in center position on the upper pin frame; (18) be the pin frame of plane pin, (16) are the pin tongues of plane pin, are close under the upper pin frame, locate center position, are positioned within the pin frame; (17) be the pin tail of plane pin, actual is the lower pin frame; (19) be arcuate bombing leaf, material is selected the good phosphorus bronze sheet of elasticity for use, the about 1mm of the width of spring leaf.

When the assembling of " 86 " box was dispatched from the factory, plane pin and arcuate bombing leaf will be put into groove (5) in advance, just can cover face glass.During placement, arcuate bombing leaf is last, and the plane pin is following; " bowstring " of arcuate bombing leaf up, " bent body " adjacent pin head (15) is by the elastic force of arcuate bombing leaf; The plane pin glides, and pin tongue (16) gets in the snib hole (11), pin tail (17) gets in the pin-and-hole (7).

Fig. 6 is the sketch map of end box, and the left side is a front view, and a left side, the right is a view.Two " buckle and hang the limit breach " (20) are reserved on the top of box the end of at, and one " snib hole breach " (21) are reserved in the bottom of end box, and " prizing breach " (22) have respectively been reserved at the middle part of the and arranged on left and right sides of end box.

The center position in the bottom of base plate stamps out a snib and snib hole, has increased a plane pin and an arcuate bombing leaf part, is the most characteristic place of the utility model.Such mechanical structure and plane pin, these two parts of arcuate bombing leaf have been arranged, just can realize that " 86 " box made integral installation and integral demounting in the erecting bed.

On-the-spot integral installation step is following:

1) fixes base plate at first on the wall;

2) box body is tilted a bit to move down, let base plate embed bolt (8) and insert in the button extension limit (12);

3) eject pin-and-hole (7) to the pin tail (17) of plane pin with flat young bottle opener or finger nail, the translation box body gets in the square through hole (6) by snib (10) inwards again;

4) take away with flat young bottle opener or unclamp finger, let the plane pin glide by the elastic force of arcuate bombing leaf, pin tongue (16) gets in the snib hole (11), pin tail (17) gets in the pin-and-hole (7), can hang the box body button be fixed on the base plate.

Unloading process is just in time opposite, and the integral demounting step is following:

1) eject pin-and-hole (7) to pin tail (17) with flat young bottle opener or finger nail, pin tongue (16) is also followed and is shifted out snib hole (11), and outwards the translation box body withdraws from square through hole (6) by snib (10) again;

2) take away with flat young bottle opener or unclamp finger, box body is tilted a bit to move up, let base plate embed bolt (8) and break away from button and hang limit (12), can unload lower box body from base plate.

In sum, the characteristic of the utility model is:

1, improve the center design, all there is frame on four limits of center, and box embeds bolt (9) at the bottom of having increased by four chucking lug breach (4), plane pin groove (5), a square through hole (6), a pin-and-hole (7), four base plates and embedding bolt (8), four.Four chucking lug breach be positioned at the center back side about on two frames, evenly distribute, left-right symmetric, symmetry up and down, notch depth is slightly larger than base plate thickness.Plane pin groove is in the position of the positive center, bottom of center, left-right symmetric.The surface of groove is on the same plane, and the bigger plane of the degree of depth of groove pin thickness, big I are held the plane pin and embedded and slide up and down.Opened the long and narrow square through hole of a horizontal direction at the middle part of groove, i.e. square through hole (6).Pin-and-hole is arranged on the frame of frame bottom, roughly is the extension of groove on the frame of center bottom.Four base plates embed at the bottom of bolt and four box and embed bolt and also be positioned at the center back side, become one with the center frame; Four base plates embed bolts and are in the frame of top, about each two; At the bottom of four box embed bolt be in about in two frames, two on every limit; The cross section of base plate embedding bolt and end box embedding bolt is at right angles trapezoidal; The incline direction ecto-entad of this right-angled trapezium hypotenuse drops gradually; Spacing between the surface of surface that the long base of right-angled trapezium forms and end box embedding face; As embed the thickness that base plate then is slightly larger than base plate, then be slightly larger than the thickness of end box like embedding end box.

2, improve back-plane design, the top of base plate has increased by two buttons and has hung limit (12), punch forming; The right and left of base plate has respectively increased by two chucking lugs (13); Position, center, the bottom of base plate has increased snib (10), also is punch forming, and subsidiaryly processes snib hole (11), and the profile of snib is the isosceles trapezoid that lacks long base, the about 1mm of thickness.

See that from the back side button hangs the limit and be recessed shape, it is corresponding that its position and base plate on the center embed bolt, and button is hung the limit and can be inserted base plate and embed in the bolt and locate, and the top of qualification base plate can not be deviate from.Snib (10) is in the bottom center position of base plate; Snib got in the square through hole (6) of center when base plate embedded center fully; And the snib head that exposes and the glass of center embed face flush or lower slightly; The plane pin is inserted, and its pin tongue (16) gets in the snib hole (11), pin tail (17) gets in the pin-and-hole (7) of center, and the bottom that limits base plate can not be deviate from.Four chucking lugs (13) be distributed in base plate about on two limits, its position is corresponding with chucking lug breach on the center, each one up and down on every limit, and left-right symmetric, also symmetry up and down.

3, improve end box design, increased by two buttons and hung limit breach (20), snib breach (21) and two and prize breach (22); Button is hung the top that the limit breach is positioned at end box; About each one, it is corresponding that its position and base plate button are hung the limit, purpose is to abdicate two occupy-places of detaining the extension limit of base plate; The snib breach is positioned at the center, bottom of end box, and its position is corresponding with the base plate snib, and purpose is to abdicate the occupy-place of base plate snib, and this several breach have been arranged, and just can make base plate be close to end box, embeds fully in the center; Two prize breach and lay respectively at the center about end box.

4, increased (19) two parts of plane pin (26) and arcuate bombing leaf, the square box of a hollow of plane pin shape approximation, left-right symmetric is the pin frame all around, the upper pin frame is longer.The pin head (15) of plane pin fuses with the upper pin frame, is in center position on the upper pin frame; (18) be the pin frame of plane pin; (16) be the pin tongue of plane pin, be close under the upper pin frame, locate center position, be positioned within the pin frame; (17) be the pin tail of plane pin, actual is the lower pin frame, can embed in the pin-and-hole (7); (19) be arcuate bombing leaf, material is selected the good phosphorus bronze sheet of elasticity for use, the about 1mm of the width of spring leaf.

When the box body assembling was dispatched from the factory, plane pin and arcuate bombing leaf will be put into groove (5) in advance, just can cover face glass; During placement, arcuate bombing leaf is last, and the plane pin is following; " bowstring " of arcuate bombing leaf up, " bent body " adjacent pin head (15) is by the elastic force of arcuate bombing leaf; The plane pin glides, and pin tongue (16) gets in the snib hole (11), pin tail (17) gets in the pin-and-hole (7), is inserted into the surperficial flush of selling tail and frame after the position.

The above; It only is the preferable enforcement example of the utility model; Be not that any pro forma restriction is done in invention; Any professional and technical personnel of being familiar with possibly utilize the technology contents of above-mentioned announcement to change or be modified to the equivalent embodiment of equivalent variations; But every the utility model technical scheme content that do not break away from, all still belongs in the scope of the utility model technical scheme any simple modification, equivalent variations and modification that above embodiment did according to the technical spirit of the utility model.

Claims (5)

1. the mechanical structure of a face glass wall appliance switch box, it is characterized in that: center, end box, base plate three big part shape structures to box body have been done improvement, have increased plane pin and two parts of arcuate bombing leaf; Installation in position after, by the elastic force of arcuate bombing leaf, go into the snib hole of base plate, pin tail jacking pin-and-hole in, box body fixed on the wall by the pin tonguing of plane pin for box body.

2. the mechanical structure of face glass wall appliance switch box as claimed in claim 1, it is characterized in that: improved the shape and structure of center, corrective measure has:

1) all there is frame (1) on four limits of center;

2) increased by four chucking lug breach (4), four chucking lug breach be positioned at the center back side about on two frames, evenly distribute, left-right symmetric, symmetry up and down, notch depth is slightly larger than base plate thickness;

3) increased a plane pin groove (5), plane pin groove is in the position of the positive center, bottom of center, left-right symmetric, and the surface of groove is in same plane, and the bigger plane of the degree of depth of groove pin thickness, big I are held the plane pin and are embedded and slide up and down;

4) increased a square through hole (6), square through hole is positioned at the middle part of groove, is the long and narrow square through hole of a horizontal direction;

5) increased a pin-and-hole (7), pin-and-hole is arranged on the frame of frame bottom, is groove extending naturally on the frame of center bottom;

6) increased by four base plates and embedded bolts (8), base plate embeds bolt and is positioned at the center back side, is in the top frame of center, become one with the center frame, about each two;

7) increased by four at the bottom of box embed bolt (9), end box embeds bolt and is positioned at the center back side, be in center about in two frames, become one two on every limit with the center frame;

8) box embedded bolt at the bottom of four base plates embedded bolt and four; Their cross section is at right angles trapezoidal; The incline direction ecto-entad of this right-angled trapezium hypotenuse drops gradually; The surface that the long base of right-angled trapezium forms and end box embed the spacing between the surface of face, then are slightly larger than the thickness of base plate as embedding base plate, then are slightly larger than the thickness of end box like embedding end box.

3. the mechanical structure of face glass wall appliance switch box as claimed in claim 1, it is characterized in that: improved the shape and structure of base plate, corrective measure has:

1) top of base plate has increased by two buttons and has hung limits (12), sees that from the back side button hangs the limit and be recessed shape, punch forming, and it is corresponding that its position and base plate on the center embed bolt, and button is hung the limit and can be inserted base plate and embed in the bolt and locate, and the top of qualification base plate can not be deviate from;

2) position, the bottom of base plate center has increased snib (10), punch forming, and subsidiaryly process snib hole (11), and snib is in the bottom center position of base plate, and profile is the isosceles trapezoid that lacks long base, the about 1mm of thickness;

3) the right and left of base plate has respectively increased by two chucking lugs (13), and its position is corresponding with chucking lug breach on the center, each one up and down on every limit, and left-right symmetric, also symmetry up and down.

4. the mechanical structure of face glass wall appliance switch box as claimed in claim 1, it is characterized in that: improved the shape and structure of base plate, corrective measure has:

1) increased by two buttons and hung limit breach (20), button is hung the top that the limit breach is positioned at end box, about each one, its position is corresponding with base plate button extension limit;

2) increased snib breach (21), the snib breach is positioned at the center, bottom of end box, and its position is corresponding with the base plate snib;

3) increase by two and prized breach (22), laid respectively at the center about end box.

5. the mechanical structure of face glass wall appliance switch box as claimed in claim 1 is characterized in that: increased plane pin part, the square box of a hollow of plane pin shape approximation; Be pin frame (18) all around, the upper pin frame is longer, and the pin head (15) of plane pin fuses with the upper pin frame; Be in center position on the upper pin frame; Pin tongue (16) is close under the upper pin frame, is positioned within the pin frame, and the lower pin frame is promptly sold tail (17).

Images