CN108533086B - Concealed unlocking mechanism of escape door lock body - Google Patents
Concealed unlocking mechanism of escape door lock body Download PDFInfo
- Publication number
- CN108533086B CN108533086B CN201810374008.2A CN201810374008A CN108533086B CN 108533086 B CN108533086 B CN 108533086B CN 201810374008 A CN201810374008 A CN 201810374008A CN 108533086 B CN108533086 B CN 108533086B
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- Prior art keywords
- wire rope
- steel wire
- matched
- lock cylinder
- door
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- 230000005540 biological transmission Effects 0.000 claims abstract description 42
- 230000008602 contraction Effects 0.000 claims abstract description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 101
- 239000010959 steel Substances 0.000 claims description 101
- 238000005452 bending Methods 0.000 claims description 6
- 238000009434 installation Methods 0.000 description 10
- 239000000203 mixture Substances 0.000 description 7
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002708 enhancing effect Effects 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B65/00—Locks or fastenings for special use
- E05B65/10—Locks or fastenings for special use for panic or emergency doors
- E05B65/1086—Locks with panic function, e.g. allowing opening from the inside without a ley even when locked from the outside
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B19/00—Keys; Accessories therefor
- E05B19/20—Skeleton keys; Devices for picking locks; Other devices for similar purposes ; Means to open locks not otherwise provided for, e.g. lock pullers
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05B—LOCKS; ACCESSORIES THEREFOR; HANDCUFFS
- E05B53/00—Operation or control of locks by mechanical transmissions, e.g. from a distance
- E05B53/003—Operation or control of locks by mechanical transmissions, e.g. from a distance flexible
- E05B53/005—Bowden
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Lock And Its Accessories (AREA)
Abstract
The invention discloses a hidden unlocking mechanism of an escape door lock body, which comprises an operation component, a force transmission mechanism and an unlocking component; the operation component, the force transmission mechanism and the unlocking component are all arranged in the door frame in a matching way, the operation component is in matched force transmission connection with the unlocking component through the force transmission mechanism, and the unlocking component is in matched locking connection with a lock tongue on the door; in a normal state, the unlocking component is in a locking state, and the opening and closing state of the door can be realized only by controlling the expansion and contraction of the lock tongue on the door through a key; when the operation component controls the unlocking component to be in an unlocking state through the force transmission mechanism, the lock tongue can be pushed open by the door opening action under the keyless condition to unlock the door. According to the invention, under the condition of no key, the opening of the escape door can be realized through the manual control of the operation assembly, so that people can escape from the escape door quickly, and the escape function of the escape door is enhanced.
Description
Technical Field
The invention belongs to the technical field of locks, and particularly relates to a hidden unlocking mechanism of an escape door lock body.
Background
The escape door is a safety escape checkpoint used in emergency situations such as fire disaster. Ordinary people cannot be provided with a key of the escape door; in case of emergency, people with keys do not necessarily carry the escape door key with them even when they are in a mess; therefore, the escape door which can be opened only by the key is not reliable for escape. Moreover, the emergency unlocking mechanism of the escape door which is common nowadays is generally arranged on the outer side of the door frame, so that the appearance is influenced and the escape door is easy to damage. In addition, the force transmission structure of the common emergency unlocking mechanism adopts a rigid structure in a vertical state, so that higher installation precision is required, and the installation position of the operation assembly is limited.
Disclosure of Invention
First, the technical problem to be solved
The invention aims to solve the technical problem of providing a hidden unlocking mechanism capable of opening an escape door without a key.
(II) technical scheme
In order to solve the technical problems, the invention provides a hidden unlocking mechanism of an escape door lock body, which comprises an operation component, a force transmission mechanism and an unlocking component; the operation component, the force transmission mechanism and the unlocking component are all arranged in the door frame in a matching way, the operation component is in matched force transmission connection with the unlocking component through the force transmission mechanism, and the unlocking component is in matched locking connection with a lock tongue on the door;
in a normal state, the unlocking component is in a locking state, and the opening and closing state of the door can be realized only by controlling the expansion and contraction of the lock tongue on the door through a key;
When the operation component controls the unlocking component to be in an unlocking state through the force transmission mechanism, the lock tongue can be pushed open by the door opening action under the keyless condition to unlock the door.
The force transmission mechanism comprises a steel wire rope upper bracket, a flexible steel wire rope and a steel wire rope lower bracket; the steel wire rope upper bracket and the steel wire rope lower bracket are fixedly arranged in the door frame; the upper end of the flexible steel wire rope is fixedly arranged at the upper bracket of the steel wire rope in a matched force transmission manner, and the lower end of the flexible steel wire rope is fixedly arranged at the lower bracket of the steel wire rope in a matched force transmission manner, and is in matched force transmission manner with the unlocking component.
The steel wire rope upper bracket is a right-angle bending plate, two symmetrically distributed short waist holes are formed in one right-angle surface of the steel wire rope upper bracket, and a round hole with an opening is formed in the other right-angle surface of the steel wire rope upper bracket; the steel wire rope upper bracket passes through the short waist hole through the bolt to be fixed in the door frame;
the steel wire rope lower bracket is also a right-angle bending plate, one right-angle surface of the steel wire rope lower bracket is provided with a long waist hole, and the other right-angle surface of the steel wire rope lower bracket is provided with a clamping hole; the lower bracket of the steel wire rope passes through the long waist hole through a bolt to be adjusted and fixed in the door frame;
The flexible steel wire rope comprises a steel wire rope body and a steel wire rope rubber sleeve matched and sleeved with the steel wire rope body, a union nut coaxially and fixedly connected with the steel wire rope rubber sleeve is arranged at the upper end of the steel wire rope rubber sleeve, and an annular clamping groove matched with the clamping hole is formed at the lower end of the steel wire rope rubber sleeve; the steel wire rope rubber sleeve is locked on two sides of the round hole through nuts to realize the matching and fixing with the steel wire rope upper bracket, and is clamped in the clamping hole through the annular clamping groove to realize the matching and fixing with the steel wire rope lower bracket; the upper end of the steel wire rope body is connected with the operation component in a matched force transmission manner, and the lower end of the steel wire rope body is connected with the unlocking component in a matched force transmission manner.
The operation component comprises a cover plate, a base, a handle, a connecting rod and a supporting piece; the cover plate covers the base and is hinged with the base in a unilateral manner; one end of the connecting rod is fixedly connected with one end of the handle in a matching way, and the other end of the connecting rod extends out of the side edge of the base and is fixedly connected with the upper end of the steel wire rope body in a matching way; the two ends of the supporting piece are fixed on the base, and the connecting rod is crossed with the supporting piece and is matched and hinged at the crossing point; the base is also provided with a movable chute, and a fixed connection point between the connecting rod and the handle is matched and clamped on the movable chute; the operation components are embedded and installed on the surface of the door frame in parallel, and the cover plate is exposed out of the surface of the door frame.
The cover plate is also provided with a cover plate lock, and the cover plate can be manually opened and closed relative to the base through the cover plate lock.
The unlocking component comprises a lower mounting seat, a lower lock cylinder, an upper mounting seat, a pressure spring, a lock cylinder shaft and a connecting piece; the lock core shaft comprises a shaft rod, a pressure spring round stop block and a positioning column which are coaxially and integrally connected from top to bottom; a counter bore which is coaxial and communicated with the upper lock cylinder is formed in the top end of the upper lock cylinder, a small hole of the counter bore is sleeved and matched with the shaft lever, and a large hole of the counter bore is sleeved and matched with the pressure spring round stop block; the side edge of the upper lock cylinder is also provided with a chute which penetrates through the big hole of the counter bore; the side surface of the upper mounting seat is provided with a positioning block which is integrally connected with the upper mounting seat and is sleeved and matched with the sliding groove, and the positioning block is provided with a positioning hole which is sleeved and matched with the positioning column; the lower lock cylinder is provided with a through hole which is coaxially communicated with the lower lock cylinder and is sleeved and matched with the shaft lever, and the side edge of the lower lock cylinder is also provided with a locking stop matched with the lock tongue;
The pressure spring is matched and sleeved on a shaft rod of the lock cylinder shaft, the lock cylinder shaft is inserted into the counter bore from the top end of the upper lock cylinder, the shaft rod is matched and sleeved with a small hole of the counter bore, the pressure spring round stop block is matched and sleeved with a large hole of the counter bore, and the pressure spring is tightly pressed between the bottom surface of the large hole of the counter bore and the pressure spring round stop block; the relative rotation between the upper lock cylinder and the lock cylinder shaft is limited through an upper key between the shaft lever and the small hole of the counter bore; the positioning block of the upper mounting seat is matched and clamped into the sliding groove, and the positioning column of the locking shaft is jacked into the positioning hole of the positioning block under the elastic pressure of the pressure spring; the lower lock cylinder is sleeved into the shaft rod from the bottom end of the lock cylinder shaft through the through hole, and the contact part between the lower lock cylinder and the upper lock cylinder is clamped by the curve tooth structure to limit the relative rotation between the lower lock cylinder and the lock cylinder shaft; the lower mounting seat is fixedly connected with the bottom end of the shaft lever of the lock core shaft through a bolt, and the relative rotation between the lower mounting seat and the lock core shaft is limited through a lower key between the lower mounting seat and the shaft lever; the connecting piece is sleeved in the large hole opening of the counter bore and fixedly connected with the top end of the upper lock cylinder through the pin shaft and the cotter pin, and the top end of the connecting piece is fixedly connected with the lower end of the steel wire rope body in a matching way; the unlocking component is fixedly connected in the door frame through the lower mounting seat and the upper mounting seat.
(III) beneficial effects
Compared with the prior art, the invention can realize the opening of the escape door through the manual control of the operation assembly under the condition of no key, thereby facilitating people to escape from the escape door quickly and enhancing the escape function of the escape door; the flexible steel wire rope is adopted as the force transmission mechanism, so that the installation mode and the position of the operation component have more selectivity, the installation precision requirement is reduced, the installation difficulty is reduced, and the installation range of the product is wider.
Drawings
Fig. 1 is a three-view of the escape door lock body of the present invention when the hidden unlocking mechanism is locked.
Fig. 2 is a schematic cross-sectional view of the structure of A-A in fig. 1.
Fig. 3 is a three-view of the hidden unlocking mechanism of the escape door lock body of the present invention when unlocked.
Fig. 4 is a schematic cross-sectional view of the structure B-B in fig. 3.
Fig. 5 is a three-view of the upper bracket of the wire rope of the present invention.
Fig. 6 is a three-view of the wire rope lower bracket of the present invention.
Fig. 7 is a schematic structural view of the flexible steel cord of the present invention.
Fig. 8 is a three-view of the operational composition of the present invention.
Fig. 9 is a schematic exploded view of the unlocking composition of the present invention.
Fig. 10 is a schematic view of the unlocking composition of the present invention.
Fig. 11 is a three view of an unlocking composition of the present invention.
FIG. 12 is a schematic cross-sectional view of the structure of C-C, D-D, E-E in FIG. 11.
Reference numerals illustrate: 1. the operation composition; 2. a force transmission mechanism; 3. unlocking the components; 11. a cover plate; 12. a base; 13. a handle; 14. a connecting rod; 15. a support; 21. a steel wire rope upper bracket; 22. a flexible steel wire rope; 23. a lower bracket of the steel wire rope; 31. a lower mounting seat; 32. a lower lock core; 33. an upper lock core; 34. an upper mounting seat; 35. a pressure spring; 36. locking the core shaft; 37. a connecting piece; 38. an upper key; 39. a lower key; 101. a door; 102. a door frame; 111. a cover plate lock; 121. a movable chute; 211. a short waist hole; 212. a round hole; 221. a wire rope body; 222. a steel wire rope rubber sleeve; 231. a long waist hole; 232. a clamping hole; 321. a through hole; 322. a lock stop; 331. countersink; 332. a chute; 341. a positioning block; 342. positioning holes; 361. a shaft lever; 362. a compression spring round stop block; 363. positioning columns; 1011. a bolt; 2221. and a nut; 2222. an annular clamping groove.
Detailed Description
The following describes in further detail the embodiments of the present invention with reference to the drawings and examples. The following examples are illustrative of the invention but are not intended to limit the scope of the invention.
The hidden unlocking mechanism of the escape door lock body has the structure shown in figures 1,2, 3 and 4, and comprises an operation component 1, a force transmission mechanism 2 and an unlocking component 3; the operation component 1, the force transmission mechanism 2 and the unlocking component 3 are all arranged in the door frame 102 in a matching way, the operation component 1 is in matched force transmission connection with the unlocking component 3 through the force transmission mechanism 2, and the unlocking component 3 is in matched locking connection with a spring bolt 1011 on the door 101;
in a normal state, the unlocking component 3 is in a locking state, and the opening and closing state of the door 101 can be realized only by controlling the extension and contraction of the spring bolt 1011 on the door 101 through a key;
When the operating component 1 controls the unlocking component 3 to be in an unlocking state through the force transfer mechanism 2, the lock tongue 1011 can be pushed to open the unlocking component 3 through a door opening action under the keyless condition, so that the door 101 can be opened.
The product can realize the opening of the escape door through the manual control of the operation assembly under the condition of no key, so that people can escape from the escape door quickly, and the escape function of the escape door is enhanced; and the product is hidden in the door frame, so that the door is attractive and is not easy to damage.
As shown in fig. 1 and 3, in the present embodiment, the force transmission mechanism 2 includes a wire rope upper bracket 21, a flexible wire rope 22, and a wire rope lower bracket 23; the wire rope upper bracket 21 and the wire rope lower bracket 23 are fixedly arranged in the door frame 102; the upper end of the flexible steel wire rope 22 is fixedly matched with the steel wire rope upper bracket 21 and is in matched force transmission connection with the operation component 1, and the lower end of the flexible steel wire rope 22 is fixedly matched with the steel wire rope lower bracket 23 and is in matched force transmission connection with the unlocking component 3. The force transmission mechanism adopts the flexible steel wire rope, so that the installation mode and the position of the operation component have more selectivity, and the installation precision requirement is reduced, thereby reducing the installation difficulty and leading the installation range of the product to be wider.
As shown in fig. 5, 6 and 7, in this embodiment, the upper wire rope bracket 21 is a right-angle bending plate, two symmetrically distributed short waist holes 211 are arranged on one right-angle surface of the upper wire rope bracket 21, and a circular hole 212 with an opening is arranged on the other right-angle surface of the upper wire rope bracket 21; the wire rope upper bracket 21 is fixed in the door frame 102 by bolts passing through the short waist holes 211; the lower steel wire rope bracket 23 is also a right-angle bending plate, a long waist hole 231 is formed in one right-angle surface of the lower steel wire rope bracket 23, and a clamping hole 232 is formed in the other right-angle surface of the lower steel wire rope bracket 23; the lower steel wire rope bracket 23 passes through the long waist hole through the bolt to be adjusted and fixed in the door frame 102; the flexible steel wire rope 22 comprises a steel wire rope body 221 and a steel wire rope rubber sleeve 222 which is matched and sleeved with the steel wire rope body 221, a union nut 2221 which is coaxially and fixedly connected with the steel wire rope rubber sleeve 222 is arranged at the upper end of the steel wire rope rubber sleeve 222, and an annular clamping groove 2222 which is matched with the clamping hole 232 is arranged at the lower end of the steel wire rope rubber sleeve 222; the steel wire rope rubber sleeve 222 is locked on two sides of the round hole 212 through the nut 2221 to realize the matching and fixing with the steel wire rope upper bracket 21, and the steel wire rope rubber sleeve 222 is clamped in the clamping hole 232 through the annular clamping groove 2222 to realize the matching and fixing with the steel wire rope lower bracket 23; the upper end of the steel wire rope body 221 is in matched force transmission connection with the operation component 1, and the lower end of the steel wire rope body 221 is in matched force transmission connection with the unlocking component 3. By adopting the structure, the flexible steel wire rope can be fixed, and the force transmission of the flexible steel wire rope can not be limited, so that the situation that the force transmission is invalid due to the deviation of the flexible steel wire rope is effectively avoided.
As shown in fig. 8, in the present embodiment, the operation assembly 1 includes a cover plate 11, a base 12, a handle 13, a link 14, and a support 15; the cover plate 11 is covered on the base 12, and the cover plate and the base are hinged on one side; one end of the connecting rod 14 is fixedly connected with one end of the handle 13 in a matching way and hinged on the base 12 at the same point, and the other end of the connecting rod 14 extends out from the side edge of the base 12 and is fixedly connected with the upper end of the steel wire rope body 221 in a matching way; the two ends of the supporting piece 15 are fixed on the base 12, and the connecting rod 14 is intersected with the supporting piece 15 and hinged at the intersection point in a matching way; the base 12 is also provided with a movable chute 121, and a fixed connection point between the connecting rod 14 and the handle 13 is matched and clamped on the movable chute 121; the operating components 1 are embedded and mounted in parallel on the surface of the door frame 102, and the cover 11 is exposed from the surface of the door frame 102. The invention adopts the operation composition with the structure, and the operation handle 13 can slide on the movable chute 121 to drive the connecting rod 14 to rotate by taking the intersection point of the connecting rod 14 and the supporting piece 15 as a supporting point, so that the flexible steel wire rope is driven to be pulled in the rotation of the connecting rod 14, and further the force transmission control of the operation composition 1 on the flexible steel wire rope is realized.
As shown in fig. 8, in this embodiment, a cover lock 111 is further disposed on the cover 11, and the cover 11 can be manually opened and closed with respect to the base 12 by the cover lock 111, so that the operational component 1 can be protected by the cover 11 when not in use. The cover plate lock 111 can also be opened by a key, the cover plate 11 can be made of transparent plastic material or glass material, and a safety hammer is hung on the edge of the cover plate 11, so that the safety hammer is convenient for people with keys to check the safety hammer regularly, can prevent people from using the escape door in the absence of emergency, and can realize the function of violently opening the cover plate 11 to open the escape door in the absence of keys in the emergency.
As shown in fig. 9, 10, 11 and 12, in the present embodiment, the unlocking component 3 includes a lower mounting seat 31, a lower lock cylinder 32, an upper lock cylinder 33, an upper mounting seat 34, a compression spring 35, a lock cylinder shaft 36 and a connecting piece 37; the lock core shaft 36 comprises a shaft lever 361, a pressure spring round stop 362 and a positioning post 363 which are coaxially and integrally connected from top to bottom; a counter bore 331 which is coaxial and communicated with the upper lock core 33 is formed in the top end of the upper lock core 33, a small hole of the counter bore 331 is sleeved and matched with the shaft lever 361, and a large hole of the counter bore 331 is sleeved and matched with the pressure spring round stop block 362; the side edge of the upper lock cylinder 33 is also provided with a chute 332 which penetrates through the large hole of the counter bore 331; the side surface of the upper mounting seat 34 is provided with a positioning block 341 which is integrally connected with the upper mounting seat and is sleeved and matched with the chute 332, and the positioning block 341 is provided with a positioning hole 342 which is sleeved and matched with the positioning column 363; the lower lock core 32 is provided with a through hole 321 which is coaxially communicated with the lower lock core and is sleeved and matched with the shaft lever 361, and the side edge of the lower lock core 32 is also provided with a locking stop 322 matched with the lock tongue 1011;
The pressure spring 35 is matched and sleeved on the shaft lever 361 of the lock cylinder shaft 36, the lock cylinder shaft 36 is inserted into the counter bore 331 from the top end of the upper lock cylinder 33, the shaft lever 361 is matched and sleeved with the small hole of the counter bore 331, the pressure spring round stop 362 is matched and sleeved with the large hole of the counter bore 331, and the pressure spring 35 is tightly pressed between the bottom surface of the large hole of the counter bore 331 and the pressure spring round stop 362; the relative rotation between the upper lock cylinder 33 and the lock cylinder shaft 36 is limited by the upper key 38 between the shaft 361 and the small hole of the counter bore 331; the positioning block 341 of the upper mounting seat 34 is matched and clamped into the sliding groove 332, and the positioning column 363 of the lock cylinder shaft 36 is jacked into the positioning hole 342 of the positioning block 341 under the elastic pressure of the pressure spring 35; the lower lock cylinder 32 is sleeved into the shaft lever 361 from the bottom end of the lock cylinder shaft 36 through the through hole 321, and the contact part between the lower lock cylinder 32 and the upper lock cylinder 33 is clamped by a curve tooth structure to limit the relative rotation between the lower lock cylinder 32 and the lock cylinder shaft 36; the lower mounting seat 31 is fixedly connected with the bottom end of the shaft lever 361 of the lock cylinder shaft 36 through a bolt, and relative rotation between the lower mounting seat 31 and the lock cylinder shaft 36 is limited through a lower key 39 between the lower mounting seat 31 and the shaft lever 361; the connecting piece 37 is sleeved into the large hole opening of the counter bore 331 and is fixedly connected with the top end of the upper lock cylinder 33 through a pin shaft and a cotter pin, and the top end of the connecting piece 37 is fixedly connected with the lower end of the steel wire rope body 221 in a matching way; the unlocking component 3 is fixedly connected in the door frame 102 through the lower mounting seat 31 and the upper mounting seat 34. By adopting the structure, the force transmission mechanism can be controlled by the operation assembly 1 to pull the connecting piece, so that the clamping connection of the curve tooth structure between the upper lock cylinder 33 and the lower lock cylinder 32 is released, the lower lock cylinder 32 can freely rotate relative to the lock core shaft 36, the locking function of the locking stop 322 on the lock tongue 1011 is further removed, and people can open the escape door under the condition of no key.
When the lock is used, the cover plate 11 is opened firstly, the manual control handle 13 rotates to drive the connecting rod 14 to rotate, so that the flexible steel wire rope 22 is pulled, the flexible steel wire rope 22 pulls the connecting piece 37 to drive the upper lock cylinder 33 to lift upwards against the resilience force of the pressure spring 35, the clamping connection of the curve tooth structure between the upper lock cylinder 33 and the lower lock cylinder 32 is separated, the lower lock cylinder 32 can rotate freely relative to the lock core shaft 36, the locking function of the locking block 322 on the lock tongue 1011 is further solved, the locking block 322 is pushed open by the lock tongue 1011 in the action of pushing a door, and people can open an escape door under the condition without keys. In addition, after the handle 13 is released, the upper lock cylinder 33 is reset under the resilience force of the pressure spring 35, so that the curved tooth structure between the upper lock cylinder 33 and the lower lock cylinder 32 is restored to be clamped again, the lock stop 322 is reset and locked again, and the handle 13 and the connecting rod 14 are reset in the restoration and pull-down of the flexible steel wire rope 22.
The foregoing is merely a preferred embodiment of the present invention, and it should be noted that it will be apparent to those skilled in the art that modifications and variations can be made without departing from the technical principles of the present invention, and these modifications and variations should also be regarded as the scope of the invention.
Claims (2)
1. The utility model provides a hidden release mechanism of lock body flees which characterized in that: the hidden unlocking mechanism of the escape door lock body comprises an operation component (1), a force transmission mechanism (2) and an unlocking component (3); the operation component (1), the force transmission mechanism (2) and the unlocking component (3) are all arranged in the door frame (102) in a matching mode, the operation component (1) is in matched force transmission connection with the unlocking component (3) through the force transmission mechanism (2), and the unlocking component (3) is in matched locking connection with a lock tongue (1011) on the door (101);
In a normal state, the unlocking component (3) is in a locking state, and the opening and closing state of the door (101) can be realized only by controlling the extension and contraction of the spring bolt (1011) on the door (101) through a key;
When the operating component (1) is operated and the unlocking component (3) is controlled to be in an unlocking state through the force transmission mechanism (2), the lock tongue (1011) can be pushed to open the unlocking component (3) through a door opening action under the keyless condition so as to realize the opening of the door (101);
The force transfer mechanism (2) comprises a steel wire rope upper bracket (21), a flexible steel wire rope (22) and a steel wire rope lower bracket (23); the steel wire rope upper bracket (21) and the steel wire rope lower bracket (23) are fixedly arranged in the door frame (102); the upper end of the flexible steel wire rope (22) is fixedly matched with the steel wire rope upper bracket (21) and is in matched force transmission connection with the operation component (1), and the lower end of the flexible steel wire rope (22) is fixedly matched with the steel wire rope lower bracket (23) and is in matched force transmission connection with the unlocking component (3);
The steel wire rope upper bracket (21) is a right-angle bending plate, two symmetrically distributed short waist holes (211) are formed in one right-angle surface of the steel wire rope upper bracket (21), and a round hole (212) with an opening is formed in the other right-angle surface of the steel wire rope upper bracket (21); the steel wire rope upper bracket (21) is fixed in the door frame (102) through bolts passing through the short waist holes (211);
The steel wire rope lower bracket (23) is also a right-angle bending plate, a long waist hole (231) is formed in one right-angle surface of the steel wire rope lower bracket (23), and a clamping hole (232) is formed in the other right-angle surface of the steel wire rope lower bracket (23); the lower steel wire rope bracket (23) passes through the long waist hole through a bolt to be adjusted and fixed in the door frame (102);
The flexible steel wire rope (22) comprises a steel wire rope body (221) and a steel wire rope rubber sleeve (222) which is matched and sleeved with the steel wire rope body, a union nut (2221) which is coaxially and fixedly connected with the steel wire rope rubber sleeve (222) is arranged at the upper end of the steel wire rope rubber sleeve (222), and an annular clamping groove (2222) which is matched with the clamping hole (232) is arranged at the lower end of the steel wire rope rubber sleeve (222); the steel wire rope rubber sleeve (222) is locked on two sides of the round hole (212) through the nut (2221) to realize the matching and fixing with the steel wire rope upper bracket (21), and the steel wire rope rubber sleeve (222) is clamped in the clamping hole (232) through the annular clamping groove (2222) to realize the matching and fixing with the steel wire rope lower bracket (23); the upper end of the steel wire rope body (221) is in matched force transmission connection with the operation component (1), and the lower end of the steel wire rope body (221) is in matched force transmission connection with the unlocking component (3);
The operation component (1) comprises a cover plate (11), a base (12), a handle (13), a connecting rod (14) and a supporting piece (15); the cover plate (11) covers the base (12) and is hinged on one side between the base and the base; one end of the connecting rod (14) is fixedly connected with one end of the handle (13) in a matching way, and the other end of the connecting rod (14) extends out of the side edge of the base (12) and is fixedly connected with the upper end of the steel wire rope body (221) in a matching way; both ends of the supporting piece (15) are fixed on the base (12), and the connecting rod (14) is crossed with the supporting piece (15) and is hinged in a matching way at the crossing point; the base (12) is also provided with a movable chute (121), and a fixed connection point between the connecting rod (14) and the handle (13) is matched and clamped on the movable chute (121); the operation component (1) is embedded and installed on the surface of the door frame (102) in parallel, and the cover plate (11) is exposed out of the surface of the door frame (102);
The unlocking component (3) comprises a lower mounting seat (31), a lower lock cylinder (32), an upper lock cylinder (33), an upper mounting seat (34), a pressure spring (35), a lock cylinder shaft (36) and a connecting piece (37); the lock core shaft (36) comprises a shaft lever (361), a pressure spring round stop block (362) and a positioning column (363) which are coaxially and integrally connected from top to bottom; a counter bore (331) which is coaxial and communicated with the upper lock cylinder (33) is formed in the top end of the upper lock cylinder, a small hole of the counter bore (331) is matched with the shaft lever (361) in a sleeved mode, and a large hole of the counter bore (331) is matched with the pressure spring round stop block (362) in a sleeved mode; the side edge of the upper lock cylinder (33) is also provided with a chute (332) which penetrates through the big hole of the counter bore (331); the side surface of the upper mounting seat (34) is provided with a positioning block (341) which is integrally connected with the upper mounting seat and is sleeved and matched with the chute (332), and the positioning block (341) is provided with a positioning hole (342) which is sleeved and matched with the positioning column (363); the lower lock cylinder (32) is provided with a through hole (321) which is coaxially communicated with the lower lock cylinder and is sleeved and matched with the shaft lever (361), and the side edge of the lower lock cylinder (32) is also provided with a locking stop (322) matched with the lock tongue (1011);
The pressure spring (35) is matched and sleeved on a shaft lever (361) of the lock cylinder shaft (36), the lock cylinder shaft (36) is inserted into the counter bore (331) from the top end of the upper lock cylinder (33), the shaft lever (361) is matched and sleeved with a small hole of the counter bore (331), the pressure spring round stop block (362) is matched and sleeved with a large hole of the counter bore (331), and the pressure spring (35) is tightly pressed between the bottom surface of the large hole of the counter bore (331) and the pressure spring round stop block (362); the relative rotation between the upper lock cylinder (33) and the lock cylinder shaft (36) is limited through an upper key (38) between the shaft lever (361) and the small hole of the counter bore (331); the positioning block (341) of the upper mounting seat (34) is matched and clamped into the sliding groove (332), and the positioning column (363) of the lock core shaft (36) is jacked into the positioning hole (342) of the positioning block (341) under the elastic pressure of the pressure spring (35); the lower lock cylinder (32) is sleeved into the shaft lever (361) from the bottom end of the lock cylinder shaft (36) through the through hole (321), and the contact part between the lower lock cylinder (32) and the upper lock cylinder (33) is clamped by a curve tooth structure to limit the relative rotation between the lower lock cylinder (32) and the lock cylinder shaft (36); the lower mounting seat (31) is fixedly connected with the bottom end of the shaft lever (361) of the lock cylinder shaft (36) through a bolt, and relative rotation between the lower mounting seat (31) and the lock cylinder shaft (36) is limited through a lower key (39) between the lower mounting seat (31) and the shaft lever (361); the connecting piece (37) is sleeved into the large hole opening of the counter bore (331) and is fixedly connected with the top end of the upper lock cylinder (33) through a pin shaft and a cotter pin, and the top end of the connecting piece (37) is fixedly connected with the lower end of the steel wire rope body (221) in a matching way; the unlocking component (3) is fixedly connected in the door frame (102) through the lower mounting seat (31) and the upper mounting seat (34).
2. The concealed unlocking mechanism for an escape door lock according to claim 1, wherein: the cover plate (11) is also provided with a cover plate lock (111), and the cover plate (11) can be manually opened and closed relative to the base (12) through the cover plate lock (111).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374008.2A CN108533086B (en) | 2018-04-24 | 2018-04-24 | Concealed unlocking mechanism of escape door lock body |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810374008.2A CN108533086B (en) | 2018-04-24 | 2018-04-24 | Concealed unlocking mechanism of escape door lock body |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108533086A CN108533086A (en) | 2018-09-14 |
| CN108533086B true CN108533086B (en) | 2024-04-26 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810374008.2A Active CN108533086B (en) | 2018-04-24 | 2018-04-24 | Concealed unlocking mechanism of escape door lock body |
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| Country | Link |
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| CN (1) | CN108533086B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008012211U1 (en) * | 2008-09-12 | 2010-02-11 | Dirak Dieter Ramsauer Konstruktionselemente Gmbh | Emergency release for locks with semi-cylinder profile |
| CN102677995A (en) * | 2012-04-05 | 2012-09-19 | 余义伦 | High-safety lock and key |
| CN103114766A (en) * | 2011-11-17 | 2013-05-22 | 魏孔明 | Hierarchical linkage hidden anti-prize lock |
| CN208122559U (en) * | 2018-04-24 | 2018-11-20 | 浙江大丰轨道交通装备有限公司 | A kind of concealed unlocking mechanism of emergency exits lock body |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US9890564B2 (en) * | 2014-10-28 | 2018-02-13 | Sargent Manufacturing Company | Interconnected lock with direct drive for adjustable deadbolt to latchbolt spacing |
-
2018
- 2018-04-24 CN CN201810374008.2A patent/CN108533086B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE202008012211U1 (en) * | 2008-09-12 | 2010-02-11 | Dirak Dieter Ramsauer Konstruktionselemente Gmbh | Emergency release for locks with semi-cylinder profile |
| CN103114766A (en) * | 2011-11-17 | 2013-05-22 | 魏孔明 | Hierarchical linkage hidden anti-prize lock |
| CN102677995A (en) * | 2012-04-05 | 2012-09-19 | 余义伦 | High-safety lock and key |
| CN208122559U (en) * | 2018-04-24 | 2018-11-20 | 浙江大丰轨道交通装备有限公司 | A kind of concealed unlocking mechanism of emergency exits lock body |
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| Publication number | Publication date |
|---|---|
| CN108533086A (en) | 2018-09-14 |
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