CN201162408Y

CN201162408Y - Trench manhole lock

Info

Publication number: CN201162408Y
Application number: CNU200820052525XU
Authority: CN
Inventors: 张正凤
Original assignee: Individual
Current assignee: Individual
Priority date: 2008-03-14
Filing date: 2008-03-14
Publication date: 2008-12-10
Anticipated expiration: 2018-03-14

Abstract

The invention relates to a groove cover lock; an upper cover (1) and a core seat (3) are jointed to form a lock body cavity (4); the lower end of the hole wall of a strip key hole (5) on the upper cover is jointed with the upper end surface of the core seat (3); a core body (2) is arranged in the lock body cavity; the lock body cavity is provided with a space for the core cavity to move; a bolt is arranged on the core body and is matched with the bolt hole of the wall of the lock body cavity; the strip hole in the core body is provided with an empty cavity for the core body to move; a togging mechanism which toggles the core body to move is arranged in the lock body cavity; at least blind holes (13) the openings of which face to the core seat (3) are arranged in the core body; an upper cylinder (14) and an elastic component (15) are arranged in the blind holes (13); at least two step through holes (16) corresponding to the blind holes (13) are arranged in the core seat; a lower cylinder (17) is arranged in the step through holes (16); the upper end surface of the core seat and the lower end surface of the core body form a joint surface (18); a key through hole (19) is arranged in the core seat (3); a joint surface (20) formed by the upper cylinder (14) and the corresponding lower cylinder (17) is arranged in different horizontal lines in the step through holes (16).

Description

A kind of groove well cover lock

Affiliated technical field

The utility model relates to lock, specifically is a kind of mechanical lock that is used for groove well cover.

Background technology

In the urban municipal construction, all kinds of trench wells need dispose corresponding groove well cover, owing to there is not special-purpose groove well cover lock at present, therefore lose easily.

The day for announcing be patent application file that September 5, notification number in 2007 are CN101029543 to disclose application number be 200710034697.4 " a kind of mechanical lock ", this mechanical lock has lock body, lock body comprises lock core, its lock core is made of core cap, core body and core print seat; The hoodle that this mechanical lock changes in the traditional locks structure is a cylinder, be to be provided with some cylinders in the core cap, be provided with in the core body and core cap inner cylinder inner cylinder one to one, each group cylinder of all correspondences has an end face that contacts that is in differing heights with inner cylinder, when when operating its key member and make contacting end face and all being in the joint close of core cap and core body of corresponding cylinder of each group and inner cylinder, can stretch out or indentation by rotary core drive dead bolt, make lock locking or unlatching.This mechanical lock structure performance is good, and the lock state property can be high, has good theftproof performance, but because reasons in structure such as its keyhole and rotary core body should not be used as the locking groove well cover.

Summary of the invention

The purpose of this utility model provides a kind of groove well cover lock, and has theftproof performance.

The technical scheme that realizes the utility model purpose is referring to Fig. 1, Fig. 3, Fig. 4.

The utility model comprises loam cake 1, core body 2 and core print seat 3, loam cake 1 engages with core print seat 3 and constitutes lock body chamber 4, have on loam cake 1 roof and satisfy the strip keyhole 5 that key inserts, this strip keyhole 5 stretches to core print seat 3 by the roof of loam cake 1, the hole wall lower end of strip keyhole 5 engages with the upper surface of core print seat 3 (sees Fig. 1, Fig. 3), described core body 2 is positioned at lock body chamber 4, there is one to satisfy the space 6 that core body 2 moves in the lock body chamber 4, one end of core body 2 has dead bolt 7 (see figure 3)s, dead bolt 7 cooperates with the tongue hole 8 of lock on the body lumen wall, there is a strip hole 9 (to see Fig. 3 in the core body 2 with respect to strip keyhole 5 hole wall outside wall surface, Fig. 4), strip hole 9 has one to satisfy the cavity 10 that core body 2 moves at length direction, be provided with in the lock body chamber 4 and can stir the toggle mechanism 11 that core body 2 moves and (see Fig. 1, Fig. 4, Fig. 5), there is a structure of the confession reversing 12 the rotating shaft upper end of dialling of toggle mechanism 11, stir core body 2 when the dead bolt left and right directions moves at toggle mechanism 11, dead bolt 7 is promptly in the mobile extended tongue hole 8 or the tongue hole 8 on the indentation lock body lumen wall with core body 2;

Have the blind formula hole 13 of two apertures in the described core body 2 at least towards core print seat 3, be provided with cylinder 14 and elastic component 15 in the blind formula hole 13, last cylinder 14 is positioned at the aperture section in blind formula hole 13, elastic component 15 is positioned at blind formula hole 13, and the two ends of elastic component 15 act on the hole wall and last cylinder 14 (see figure 1)s in blind formula hole 13 respectively;

At least be provided with in the described core print seat 3 two with core body in blind formula hole 13 staged through hole 16 one to one, be provided with lower prop 17 in the staged through hole 16, there are a mating face or joint close 18 in the lower surface of core print seat 3 upper surfaces and core body 2, is provided with key through hole 19 corresponding with the strip keyhole 5 of loam cake 1 and that communicate in the core print seat 3;

The upper end of the lower end of cylinder 14 and corresponding lower prop 17 constitutes mating face 20 on each, under the effect of elastic component 15, all is positioned on the varying level line of staged through hole 16 of core print seat 2, promptly constitutes the many different factors (as shown in Figure 1) of locking attitude.

Represented among Fig. 1 to Fig. 3 that the key member 21 that is complementary with the utility model, the transverse arm 22 of key member 21 bottoms are provided with and each lower prop cylinder 23 of unblanking one to one.The process that this lock body is unlocked is, the bottom transverse arm of key member 21 is inserted into lock body below (as shown in phantom in Figure 3) along strip keyhole 5, and rotate to state as shown in Figure 1, on the key member 21 bottom transverse arms all cylinders 23 of unblanking are all aimed at each lower prop 17 one by one, reverse knob spare 24 then with key member 21 bar portion threads engaged, the bar portion and the transverse arm 22 of key member 21 moved up (make the bar portion of key member 21 and the member that transverse arm 22 moves up, except that described knob spare 24, also can be other form of structure, or draw its bar portion to make it to move directly), on the transverse arm 22 each cylinder 23 of unblanking pushes away in the core print seat 3 corresponding lower props 17 and goes up on the cylinder 14 and move promptly, until the contact surface that makes each lower prop 17 with corresponding last cylinder 14, all be on the mating face or joint close 18 same horizons of core print seat 3 and core body 2, again by other turn-knob instrument, dial the torsion structure 12 of rotating shaft upper end in the rotation toggle mechanism 11, the core body 2 of state shown in Figure 4 is moved to right, dead bolt on the core body 2 is in the tongue hole 8 on the indentation lock body lumen wall, promptly be unlocked, as shown in Figure 7.In addition, when core body 2 move left and right, promptly (or joint close) 18 produces the dislocation displacement to last cylinder 14 along the mating face with respect to lower prop, and Fig. 8 illustrates to have showed when lock body is opened, last cylinder 14 and the present relative position in lower prop 17 dislocation backs.The process of locking is, stirring core body 2 by toggle mechanism 11 moves to left, until state shown in Figure 1, dead bolt stretches out, last cylinder 14 is on the same axis with lower prop 17, because the effect of elastic component 15, last cylinder 14 moves down simultaneously with lower prop 17, the contact surface of cylinder 14 and lower prop 17 all is positioned on the varying level line of shoulder hole 16 of core print seat 3 on each, i.e. locking.

Technique effect of the present utility model is:

1, since on the utility model the hole wall of the strip keyhole 5 that covers extend downward with key through hole 19 hole walls on the core print seat and engage; being about to lock endoceliac core body 2 and member thereof and strip keyhole isolates; key through hole 19 and communicate with the ditch well; therefore; material such as sewage, sposh can be discharged downwards by strip keyhole 5 and key through hole 19; lock endoceliac core body 2 and member thereof are effectively protected and protect; it is unaffected to make it operate as normal; effectively ensure the reliability of its work, thereby be fit to and the satisfied locking that is used for groove well cover.

2, owing to be provided with the elastic component 15 that acts on cylinder 14 in the core body 2, make the cylinder 14 on each and the mating face 20 of corresponding lower prop 17 all be on the varying level line in the staged through hole 16, thereby constitute the many different factors of lock attitude, therefore, the lock state property can be high, anti-illegal performance of opening is good, has good theftproof performance.

3, owing to connecting the back, loam cake of the present utility model, core body, core print seat constitute all-in-one-piece entity; in the use and be installed on the groove well cover internal face; can utilize groove well cover that the utility model is implemented protection and protection, therefore be difficult for being damaged or destroying, have firm in structure and reliable characteristics.

Description of drawings

Below in conjunction with the drawings and specific embodiments the utility model is further specified.

Fig. 1 is a structure sectional view of the present utility model, and has showed the key member 21 that is used for this lock, determines that this figure is a Figure of abstract;

Fig. 2 is the left view of key member 21 among Fig. 1;

Fig. 3 is the A-A view of Fig. 1;

Fig. 4 is the B-B view of Fig. 3;

Fig. 5 is the C-C view among Fig. 4, has showed the structure and the annexation thereof of toggle mechanism 11;

Fig. 6 is the D-D view among Fig. 4, shows the connecting hole 32 that is used for groove well cover;

Internal construction when Fig. 7 opens for the utility model, the state after displaying core body 2 moves to right in the dead bolt 7 indentation tongue holes 8;

Fig. 8 is the E-E view of Fig. 7, shows when the utility model is opened, and last cylinder 14 is with respect to misplace signal state after the displacements of lower prop 17;

Fig. 9 is installed on the schematic diagram of groove well cover internal face and locking groove well cover for the utility model;

Figure 10 is the vertical view of Fig. 9, showed be equipped with on the roof of groove well cover with the utility model in strip keyhole 5 corresponding to key hand-holes 36.

The specific embodiment

The utility model comprises loam cake 1, core body 2 and core print seat 3, loam cake 1 engages with core print seat 3 and constitutes lock body chamber 4, have on loam cake 1 roof and satisfy the strip keyhole 5 that key inserts, this strip keyhole 5 stretches to core print seat 3 by the roof of loam cake 1, the hole wall lower end of strip keyhole 5 engages (seeing Fig. 1, Fig. 3) with the upper surface of core print seat 3, its mating face is preferably the inferior pyramidal mating face, infiltrates in the lock body chamber 4 to prevent the sewage in the use; Described core body 2 is positioned at lock body chamber 4, lock body chamber 4 has one to satisfy the space 6 that core body 2 moves, one end of core body 2 has dead bolt 7 (see figure 3)s, dead bolt 7 cooperates with the tongue hole 8 of lock on the body lumen wall, be illustrated as and be positioned at tongue hole 8 and cooperation, strip hole 9 with respect to strip keyhole 5 hole wall outside wall surface (seeing Fig. 3, Fig. 4) is arranged in the core body 2, and strip hole 9 has one to satisfy the cavity 10 that core body 2 moves at length direction; Be provided with the toggle mechanism 11 (seeing Fig. 1, Fig. 4) that to stir core body 2 and move in the lock body chamber 4, there is a structure of the confession reversing 12 the rotating shaft upper end of dialling of toggle mechanism 11, the structure of Gong reversing 12 should be stretched out the roof of loam cake 1, the structure of Gong reversing 12 can be illustrated square cylinder, also can be square or polygonal inner hole structure etc.; Toggle mechanism 11 is stirred core body 2 when the dead bolt axis direction moves, and dead bolt 7 is promptly with the mobile extended tongue hole 8 of core body 2 or be retracted in the tongue hole 8 on the lock body lumen wall;

Have the blind formula hole 13 of two apertures in the described core body 2 at least towards core print seat 3, described at least two blind formula hole 13 should be distributed in the both sides of core body 2, illustrated four blind formula holes 13 are distributed on the both sides of strip keyhole 5, but this is not unique, such as: two the blind formula holes 13 that only are provided with can be arranged that it is in a side; When three blind formula holes were set, wherein a side was established one, and opposite side is then established two, or the like; Be provided with cylinder 14 and elastic component 15 in the blind formula hole 13, last cylinder 14 is positioned at the aperture section in blind formula hole 13, elastic component 15 is positioned at blind formula hole 13, the two ends of elastic component 15 act on the hole wall and the last cylinder 14 in blind formula hole 13 respectively, as shown in Figure 1, the upper end of elastic component 15 acts on the roof in blind formula hole 13, and the lower end acts on the upper end of cylinder 14;

At least be provided with in the described core print seat 3 two with core body in blind formula hole 13 staged through hole 16 one to one, be provided with the lower prop 17 that cooperates with this through hole in the staged through hole 16, there are a mating face or joint close 18 in the lower surface of core print seat 3 upper surfaces and core body 2, is provided with key through hole 19 corresponding with the strip keyhole 5 of loam cake 1 and that communicate in the core print seat 3;

The lower end of cylinder 14 constitutes mating face 20 with the upper end of corresponding lower prop 17 on each, lock all is positioned at during attitude on the varying level line of staged through hole 16 of core print seat 2 (as shown in Figure 1), on all the length of cylinder 14 be preferably unequal, also can be do not wait or the part do not wait.

As shown in Figure 4, all there is an arc groove 25 that cooperates with key member 21 bar portions the both sides of strip keyhole 5 widths, the diameter of two relative arc grooves 25 is greater than strip keyhole 5 width sizes, to be used for of the insertion of key member by its bar portion location, and, two arc grooves 25 are on the same axis with blind formula hole 13, when making key member 21 lower ends insert back rotation respective angles, make all posts of unblanking on the key member 21 lower end transverse arms aim at lower prop 17 in the staged through hole 16 respectively one by one; In addition, be provided with the align member 26 (seeing Fig. 1, Fig. 3) that is used for key member positioning of rotating at core print seat 2 lower wall surfaces, when making the key member rotate to orientation angle, all posts 23 of unblanking are just aimed at the lower prop 17 in the ladder hole 16 respectively one by one on its transverse arm.

As Fig. 4, shown in Figure 5, gear for this reason, rack-and-pinion that toggle mechanism 11 matches with core body 2 are stirred structure, also can be the structure of stirring of other form; Group rotating shaft 27 epimeres of toggle mechanism 11 are positioned at the hole 28 of loam cake 1 roof, dial the roof that the structure of Gong reversing in rotating shaft 27 upper ends 12 should be exposed loam cake 1, dial the hole 29 that rotating shaft 27 lower ends are positioned at core print seat 3.Loam cake 1 is connected by screw 30 with core print seat 3.

As shown in Figure 8, there is the little axle 31 of a diameter less than cylinder on this 14 last cylinder 14 upper ends in the blind formula hole 13, the form of structure of elastic component 15 is not unique, illustrated elastic component 15 is a spring part, little axle 31 is positioned at this spring part, distance between little axle 31 tops and the last lid top wall lower wall surface with this on move to described mating face or joint close 18 on the cylinder lower surface distance equate, promptly go up when moving to described mating face or joint close 18 on the cylinder lower surface, the top of little axle 31 promptly contacts with loam cake 1 roof, avoids elastic component 15 to be caused damage by excess compression.

Fig. 6 has showed and has been used for the connecting hole 32 that is connected with groove well cover.

Shown in Figure 9, the utility model is loaded on the internal face of groove well cover 34 by connecting bolt 33, and dead bolt 7 passes the groove well cover sidewall and enters manhole cover base 35 sidewalls, and promptly groove well cover is by the signal state of locking; Figure 10 is the vertical view of Fig. 9, showed be equipped with on the roof of groove well cover with the utility model in strip keyhole 5 corresponding to key hand-holes 36; In addition, the illustrated structure of the confession reversing 12 is exposed to the roof of loam cake 1, and its upper end is concordant with groove well cover roof face, at the position of the structure of Gong reversing 12, need be equipped with the space 37 of inserting for the turn-knob instrument on the groove well cover; Dotted line among Figure 10 has schematically illustrated the profile of this lock.

Applicant's statement, any distressed structure on the utility model scheme basis all belongs to protection domain of the present utility model.

Claims

1, a kind of groove well cover lock is characterized in that:

1) comprises loam cake (1), core body (2) and core print seat (3), loam cake (1) engages with core print seat (3) and constitutes lock body chamber (4), have on loam cake (1) roof and satisfy the strip keyhole (5) that key inserts, this strip keyhole (5) stretches to core print seat (3) by the roof of loam cake (1), the hole wall lower end of strip keyhole (5) engages with the upper surface of core print seat (3), described core body (2) is positioned at lock body chamber (4), there is one to satisfy the space (6) that core body (2) moves in the lock body chamber (4), one end of core body (2) has dead bolt (7), dead bolt (7) cooperates with the tongue hole (8) of lock on the body lumen wall, strip hole (9) with respect to strip keyhole (5) hole wall outside wall surface is arranged in the core body (2), strip hole (9) has one to satisfy the cavity (10) that core body (2) moves at length direction, be provided with in the lock body chamber (4) and can stir the toggle mechanism (11) that core body (2) moves, there is a structure of the confession reversing (12) the rotating shaft upper end of dialling of toggle mechanism (11), stir core body (2) when the dead bolt left and right directions moves at toggle mechanism (11), dead bolt (7) is promptly in the mobile extended tongue hole (8) or the tongue hole (8) on the indentation lock body lumen wall with core body (2);

2) have the blind formula hole (13) of two apertures in the described core body (2) at least towards core print seat (3), be provided with cylinder (14) and elastic component (15) in the blind formula hole (13), last cylinder (14) is positioned at the aperture section in blind formula hole (13), elastic component (15) is positioned at blind formula hole (13), and the two ends of elastic component (15) act on the hole wall and the last cylinder (14) in blind formula hole (13) respectively;

3) be provided with at least in the described core print seat (3) two with core body in blind formula hole (13) staged through hole (16) one to one, be provided with lower prop (17) in the staged through hole (16), there are a mating face or joint close (18) in the lower surface of core print seat (3) upper surface and core body (2), is provided with key through hole (19) corresponding with the strip keyhole (5) on the loam cake (1) and that communicate in the core print seat (3);

4) described on each the lower end of cylinder (14) constitute mating face (20) with the upper end of corresponding lower prop (17), under elastic component (15) effect, all be positioned on the varying level line of staged through hole (16) of core print seat (2).

2, according to the described a kind of groove well cover lock of claim 1, all there is an arc groove (25) that cooperates with key member (21) bar portion the both sides that it is characterized in that described strip keyhole (5) width, the diameter of relative two arc grooves (25) is greater than strip keyhole (5) width size, and two arc grooves (25) are on the same axis with blind formula hole (13).

3, according to the described a kind of groove well cover lock of claim 2, it is characterized in that the hole wall lower end of strip keyhole (5) and the mating face of core print seat (3) upper surface are the inferior pyramidal mating face.

4, according to the described a kind of groove well cover lock of claim 3, it is characterized in that there is the little axle (31) of a diameter less than cylinder this on (14) cylinder (14) upper end, the distance between little (31) top and loam cake (1) the roof lower wall surface with this on move to described mating face or joint close (18) on the cylinder lower surface distance equate.

5, according to claim 1 or 2 or 3 or 4 described a kind of groove well cover locks, it is characterized in that core print seat (2) lower wall surface is provided with the align member (26) that is used for key member positioning of rotating.