Inward pulling type lock body
By optimizing the internal transmission method of the lock body through the internal pull-type lock body structure, all structural components are arranged along the same straight line, which solves the problems of difficulty in pushing the existing lock body and wear, and achieves more stable transmission and reduced wear.
Patent Information
- Application Number
- CN202423229906.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-12-25
- Publication Date
- 2026-01-30
- Estimated Expiration
- 2034-12-25
AI Technical Summary
The internal structural components of the existing lock body are difficult to move and are prone to wear.
The lock adopts an internal pull-type lock body structure, including a lock shell, lock tongue, lock cylinder, linkage device, translation device, lever mechanism, and push device. All structural components are arranged along the same straight line. By rotating the lock cylinder, the linkage device is driven, which in turn drives the translation device to move the lever mechanism to control the lock tongue to extend into the lock hole to achieve unlocking.
The transmission method of the internal structure of the lock body has been optimized, which improves the smoothness of transmission, reduces the wear of parts, and makes the structure more stable.
Smart Images
Figure CN223854001U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to door lock technical field especially an inside pull type lock body. BACKGROUND
[0002] The lock body is one of the components of the lock, and there are many types of lock bodies. Common lock bodies include three-tongue lock bodies and double-tongue lock bodies. The lock body is responsible for opening or locking the door and window, and plays an important role in theft prevention. However, the transmission structure inside the existing lock body is mostly push type, that is, the lock cylinder is rotated, the lock cylinder pushes the transmission structure, the transmission structure pushes the lever mechanism, thereby controlling the locking or unlocking of the lock tongue. Due to the friction between the various components and the relative angle between the two adjacent components, it is difficult to push, and the internal components are prone to wear.
[0003] It can be seen that the prior art needs to be improved and improved. CONTENT OF THE UTILITY MODEL
[0004] In view of the shortcomings of the prior art, the purpose of the utility model is to provide an inside pull type lock body to solve the problem of large pushing difficulty and easy wear between the internal structure components of the existing lock body.
[0005] In order to achieve the above purpose, the utility model adopts the following technical scheme:
[0006] An inside pull type lock body, comprising a lock shell, a lock tongue, a lock cylinder, and a linkage device, a translation device, a lever mechanism and a pushing device respectively arranged in the lock shell, one side of the lock shell is provided with a lock hole, the lock tongue is slidably arranged in the lock hole, the lock cylinder is rotatably arranged at one end of the lock shell away from the lock hole, the two sides of the pushing device are respectively connected with the inner side of the lock shell and the lock tongue, one end of the lever mechanism is rotatably connected with the lock shell, the other end of the lever mechanism is movably connected with the lock tongue, the linkage device is connected with the outer circumferential side of the lock cylinder and one end of the translation device respectively, and the other end of the translation device is hingedly connected with the lever mechanism.
[0007] The inside pull type lock body as described above, the translation device comprises a guide mechanism, a concave sliding piece, a pull rod and a movable connection mechanism, the guide mechanism is arranged adjacent to the lock cylinder, the concave sliding piece is movably inserted on the outer side of the guide mechanism, the linkage device is connected with the lock cylinder and the concave sliding piece respectively, the pull rod is arranged on one side of the concave sliding piece close to the lever mechanism, the movable connection mechanism is connected with the concave sliding piece and one end of the pull rod respectively, and the other end of the pull rod is hingedly connected with the lever mechanism.
[0008] The inner pull type lock body as claimed in claim 1, wherein the guide mechanism comprises two first guide strips and two second guide strips, the two first guide strips are respectively arranged on the two sides of the inner bottom of the concave sliding member, the two second guide strips are respectively arranged on the two sides of the top of the concave sliding member, the two first guide strips are respectively in abutment with the two sides of the inner bottom of the concave sliding member, and the two second guide strips are respectively in abutment with the two sides of the inner top of the concave sliding member.
[0009] The inner pull type lock body as claimed in claim 1, wherein the movable connection mechanism comprises a communication groove, a plug hole and a pin column, the communication groove is arranged on the concave sliding member, one end of the pull rod is slidably arranged in the communication groove, the plug hole is arranged on the pull rod, and the pin column is plugged into the plug hole.
[0010] The inner pull type lock body as claimed in claim 1, wherein the linkage device comprises a fixed column, a clasp spring, two push blocks and two avoiding grooves, the fixed column is arranged on the side of the lock cylinder away from the lock tongue, the clasp spring is sleeved on the fixed column, the two sides of the clasp spring are respectively in abutment with the two sides of the concave sliding member, the two avoiding grooves are respectively arranged on the two sides of the concave sliding member, and the two push blocks are respectively arranged on the two sides of the lock cylinder.
[0011] The inner pull type lock body as claimed in claim 1, wherein the lock tongue comprises a lock tongue main body, an extension block and a plug hole, the lock tongue main body is slidably arranged in the lock hole, the extension block is arranged on the side of the lock tongue main body facing the lock cylinder, the plug hole is arranged on the extension block, the lever mechanism comprises a push rod and a pin joint column, one end of the push rod is plugged into the plug hole, the other end of the push rod is hingedly connected with the inner edge of the side of the lock shell away from the extension block, the pin joint column is arranged on the middle part of the push rod, and one end of the pull rod is sleeved on the pin joint column.
[0012] The inner pull type lock body as claimed in claim 1, wherein the lock shell comprises a shell, a cover plate and an inner fixed block, the inner fixed block is arranged on the middle part of the shell, the cover plate is arranged on the side of the shell, the lock hole is arranged on the cover plate, the end of the push rod away from the extension block is hingedly connected with the inner fixed block, the pull rod is arranged in the inner fixed block, the two ends of the pushing device are respectively connected with the inner fixed block and the lock tongue, the side of the inner fixed block is provided with a plug-in groove, and the extension block is plugged into the plug-in groove.
[0013] The inner pull type lock body comprises a lock shell, a lock tongue, a lock cylinder, a linkage device, a translation device, a lever mechanism and a pushing device, wherein the linkage device, the translation device, the lever mechanism and the pushing device are arranged in the lock shell, the lock shell is provided with a lock hole for arranging the lock tongue on one side, the lock cylinder is rotated to drive the linkage device to rotate, the linkage device drives the translation device to move away from the lock tongue, the translation device pulls the lever mechanism to drive the lock tongue to extend into the lock hole, so that the door is unlocked, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible.
[0014] The inner pull type lock body comprises a lock shell, a lock tongue, a lock cylinder, a linkage device, a translation device, a lever mechanism and a pushing device, wherein the linkage device, the translation device, the lever mechanism and the pushing device are arranged in the lock shell, the lock shell is provided with a lock hole for arranging the lock tongue on one side, the lock cylinder is rotated to drive the linkage device to rotate, the linkage device drives the translation device to move away from the lock tongue, the translation device pulls the lever mechanism to drive the lock tongue to extend into the lock hole, so that the door is unlocked, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible.
[0015] Beneficial effects:
[0016] The utility model discloses an inner pull type lock body, including the lock shell, the lock tongue, the lock cylinder and being arranged in the linkage device, the translation device, the lever mechanism and the pushing device respectively in the lock shell, one side of the lock shell is provided with the lock hole for arranging the lock tongue of the lock tongue, rotates the lock cylinder and drives the linkage device to rotate, the linkage device drives the translation device and moves away from the lock tongue one side, the translation device draws the lever mechanism to drive the lock tongue and extends into the lock hole, to realize the unlocking of the door, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible. ACCURACY OF DRAWINGS
[0017] Figure 1 The utility model provides a lock body structure schematic drawing;
[0018] Figure 2 The utility model provides a lock body explosion map;
[0019] Figure 3 The utility model discloses an inner pull type lock body, including the lock shell, the lock tongue, the lock cylinder and being arranged in the linkage device, the translation device, the lever mechanism and the pushing device respectively in the lock shell, one side of the lock shell is provided with the lock hole for arranging the lock tongue of the lock tongue, rotates the lock cylinder and drives the linkage device to rotate, the linkage device drives the translation device and moves away from the lock tongue one side, the translation device draws the lever mechanism to drive the lock tongue and extends into the lock hole, to realize the unlocking of the door, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible. Figure 1 The utility model discloses an inner pull type lock body, including the lock shell, the lock tongue, the lock cylinder and being arranged in the linkage device, the translation device, the lever mechanism and the pushing device respectively in the lock shell, one side of the lock shell is provided with the lock hole for arranging the lock tongue of the lock tongue, rotates the lock cylinder and drives the linkage device to rotate, the linkage device drives the translation device and moves away from the lock tongue one side, the translation device draws the lever mechanism to drive the lock tongue and extends into the lock hole, to realize the unlocking of the door, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible.
[0020] Figure 4 The utility model discloses an inner pull type lock body, including the lock shell, the lock tongue, the lock cylinder and being arranged in the linkage device, the translation device, the lever mechanism and the pushing device respectively in the lock shell, one side of the lock shell is provided with the lock hole for arranging the lock tongue of the lock tongue, rotates the lock cylinder and drives the linkage device to rotate, the linkage device drives the translation device and moves away from the lock tongue one side, the translation device draws the lever mechanism to drive the lock tongue and extends into the lock hole, to realize the unlocking of the door, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible.
[0021] Figure 5 The utility model discloses an inner pull type lock body, including the lock shell, the lock tongue, the lock cylinder and being arranged in the linkage device, the translation device, the lever mechanism and the pushing device respectively in the lock shell, one side of the lock shell is provided with the lock hole for arranging the lock tongue of the lock tongue, rotates the lock cylinder and drives the linkage device to rotate, the linkage device drives the translation device and moves away from the lock tongue one side, the translation device draws the lever mechanism to drive the lock tongue and extends into the lock hole, to realize the unlocking of the door, and all structural components of the lock body are arranged on the same straight line, that is, the stress directions of all structural components are on the same straight line, so that the emergence of the force is avoided as much as possible.
[0022] Figure 6Another angle of the pushing device explosion map provided by the utility model;
[0023] The drawing figure: 1, lock shell, 11, lock hole, 12, shell, 13, cover plate, 14, inner fixed block, 15, plug-in slot, 2, lock tongue, 21, lock tongue main body, 22, extension block, 23, jack, 3, lock core, 4, linkage device, 41, fixed column, 42, clamping spring, 43, push block, 44, avoiding slot, 5, translation device, 51, guide mechanism, 511, first guide strip, 512, second guide strip, 52, concave sliding part, 53, pull rod, 54, movable connection mechanism, 541, communication slot, 542, plug-in hole, 543, pin column, 6, lever mechanism, 61, push rod, 62, pin joint column, 63, push rod, 7, pushing device, 71, first spring, 72, second spring, 73, recess, 74, limiting column, 75, sleeve joint, 76, stop rod, 77, abutment camber. DETAILED DESCRIPTION
[0024] The utility model provides a kind of inside pull type lock body, to make the purpose, technical scheme and effect of the utility model more clear, definite, the following referring to drawing and taking example to the utility model is further detailed.
[0025] In the description of the utility model, it needs to be understood that the orientation or positional relationship indicated by the terms "top" and the like is based on the orientation or positional relationship shown in the drawings, and is only for the convenience of describing the utility model and simplifying the description, and cannot be understood as a limitation on the utility model; in addition, the terms "mounting", "connecting" and the like should be broadly understood, and for ordinary skilled persons in the art, the specific meanings of the above terms in the utility model can be understood according to the specific circumstances.
[0026] As Figures 1-6 As shown in the application embodiment, an inside pull type lock body is provided, characterized in that it comprises a lock shell 1, a lock tongue 2, a lock core 3, and a linkage device 4, a translation device 5, a lever mechanism 6 and a pushing device 7 respectively arranged in the lock shell 1, one side of the lock shell 1 is provided with a lock hole 11, the lock tongue 2 is slidably arranged in the lock hole 11, the lock core 3 is rotatably arranged at one end of the lock shell 1 away from the lock hole 11, the two sides of the pushing device 7 are respectively connected with the inner side of the lock shell 1 and the lock tongue 2, one end of the lever mechanism 6 is rotatably connected with the lock shell 1, the other end of the lever mechanism 6 is movably connected with the lock tongue 2, the linkage device 4 is connected with the outer circumferential side of the lock core 3 and one end of the translation device 5 respectively, the other end of the translation device 5 is hingedly connected with the lever mechanism 6.
[0027] The utility model discloses an inside pull type lock body, including lock shell 1, lock bolt 2, lock cylinder 3 to be equipped with respectively in the linkage 4 of lock shell 1, translation device 5, lever mechanism 6 and pusher 7, one side of lock shell 1 is equipped with the lock hole 11 of lock bolt 2 installation, rotates the linkage 4 of lock cylinder 3 drives, the linkage 4 drives translation device 5 and moves towards the side away from lock bolt 2, translation device 5 pulls lever mechanism 6 to drive lock bolt 2 and extends into lock hole 11, to realize the unlocking of door, and all structural components of the lock body are arranged on the same straight line position, that is, the stress direction of each structural component is on the same straight line, to avoid the emergence of the force as far as possible, the lock body of the application optimizes the transmission mode of each structural component in the lock body, improves the fluency of transmission between each structural component in the lock body, reduces the wear between parts, and the structure is more stable.
[0028] The translation device 5 includes a guide mechanism 51, a concave sliding piece 52, a pull rod 53, and a movable connection mechanism 54.
[0029] The guide mechanism 51 includes two first guide strips 511 and two second guide strips 512.
[0030] The active connection mechanism 54 comprises a communication groove 541, a plug hole 542 and a pin column 543, the communication groove 541 is arranged on the concave slider 52, one end of the pull rod 53 is slidably arranged on the communication groove 541, the plug hole 542 is arranged on the pull rod 53, and the pin column 543 is plugged into the plug hole 542, when assembled, the pull rod 53 is inserted into the communication groove 541, and the pin column 543 is inserted into the plug hole 542, so that the assembly is completed, and due to the small size of the lock body, the assembly steps are simplified, and the assembly efficiency is effectively improved.
[0031] The linkage device 4 comprises a fixed column 41, a clasp spring 42, two push blocks 43 and two avoiding grooves 44, the fixed column 41 is arranged on the side of the lock cylinder 3 away from the lock tongue 2, the clasp spring 42 is sleeved on the fixed column 41, the two sides of the clasp spring 42 are respectively abutted with the two sides of the concave slider 52, two avoiding grooves 44 are respectively arranged on the two sides of the concave slider 52, two push blocks 43 are respectively arranged on the two sides outside the lock cylinder 3, and two push blocks 43 are respectively plugged into two avoiding grooves 44 one by one, in the initial state, the clasp spring 42 drives the concave slider 52 to move towards the side of the lock tongue 2, and the two push blocks 43 are respectively abutted in the two avoiding grooves 44 to limit the movement of the concave slider 52, in the unlocking state, the lock cylinder 3 is rotated forward and backward, any push block 43 drives the concave slider 52 to move and compresses the clasp spring 42, and after unlocking, the clasp spring 42 drives the concave slider 52 to reset.
[0032] The lock tongue 2 comprises a lock tongue main body 21, an extension block 22 and a plug hole 23, the lock tongue main body 21 is slidably arranged on the lock hole 11, the extension block 22 is arranged on the side of the lock tongue main body 21 towards the lock cylinder 3, and the plug hole 23 is arranged on the extension block 22, the lever mechanism 6 comprises a push rod 61 and a pin joint column 62, one end of the push rod 61 is plugged into the plug hole 23, the other end of the push rod 61 is hingedly connected with the inner edge of the side of the lock shell 1 away from the extension block 22, and the pin joint column 62 is arranged on the middle part of the push rod 61, one end of the pull rod 53 is sleeved on the pin joint column 62, the pull rod 53 drives the push rod 61 to swing, the push rod 61 abuts against the extension block 22 on one side of the lock tongue 2, so that the lock tongue 2 is driven to extend into the lock hole 11 to realize unlocking.
[0033] The lock shell 1 comprises a shell 12, a cover plate 13 and an inner fixing block 14, the inner fixing block 14 is arranged on the middle part of the shell 12, the cover plate 13 is arranged on one side of the shell 12, the lock hole 11 is arranged on the cover plate 13, one end of the push rod 61 away from the extension block 22 is hinged to the inner fixing block 14, the pull rod 53 is arranged on the inner fixing block 14, the two ends of the push device 7 are connected with the inner fixing block 14 and the lock tongue 2 respectively, the inner fixing block 14 is provided with an insertion groove 15 on one side, the extension block 22 is inserted into the insertion groove 15, which plays a guiding role and limits the moving direction of the lock tongue 2.
[0034] The push device 7 comprises a first spring 71, a second spring 72, a groove 73, a limiting column 74, a sleeve piece 75 and a stop rod 76, the two ends of the first spring 71 are respectively abutted on the top of the lock tongue 2 and the inner fixing block 14, the groove 73 is arranged on one side of the lock tongue 2 towards the inner fixing block 14, the limiting column 74 is arranged on the bottom of one side of the inner fixing block 14 towards the lock tongue 2, the sleeve piece 75 is sleeved on the limiting column 74, one end of the stop rod 76 is inserted into the groove 73, the other end of the stop rod 76 is connected with the sleeve piece 75, one end of the second spring 72 is abutted on the lock tongue 2, the other end of the second spring 72 is sleeved on the limiting column 74 and abutted on the sleeve piece 75, when the lever mechanism 6 drives the lock tongue 2 to move to a certain position close to the inner fixing block 14, the stop rod 76 is abutted on the bottom of the groove 73 to limit the movement of the lock tongue 2, preventing the lock tongue 2 from being excessively moved and causing the lock tongue 2 to be clamped into the lock shell 1, which affects the normal use of the lock body.
[0035] The side of the push rod 61 away from the pin joint column 62 is provided with a push rod 63, the side of the stop rod 76 towards the push rod 63 is provided with an abutting arc surface 77, the abutting arc surface 77 abuts the push rod 63, limiting the swing of the push rod 61, thereby limiting the movement of the lock tongue 2 driven by the push rod 61, preventing the lock body from being unlocked when the lock cylinder 3 is slightly rotated, and improving the security performance of the lock body.
[0036] It can be understood that, for those skilled in the art, equivalent replacement or change can be made according to the technical scheme and the utility model concept of the utility model, and all these changes or replacements shall belong to the protection scope of the utility model.
Claims
1. A lock body of the inside pull type, characterized by, The utility model provides a lock, including lock shell (1), lock bolt (2), lock cylinder (3) and respectively being located in the linkage (4), the translation device (5), lever mechanism (6) and pusher (7) in lock shell (1), one side of lock shell (1) is equipped with lock hole (11), lock bolt (2) is slid through in lock hole (11), lock cylinder (3) is rotatably equipped on the one end of lock shell (1) away from lock hole (11), the two sides of pusher (7) are connected with the inside of lock shell (1) and lock bolt (2) respectively, one end of lever mechanism (6) is rotatably connected with lock shell (1), the other end of lever mechanism (6) is movably connected with lock bolt (2), linkage (4) is connected with the outer circumferential side of lock cylinder (3) and one end of translation device (5) respectively, the other end of translation device (5) is hingedly connected with lever mechanism (6).
2. The inside pull type lock body according to claim 1, wherein The translation device (5) includes a guide mechanism (51), a concave slider (52), a pull rod (53), and a movable connection mechanism (54). The guide mechanism (51) is arranged adjacent to the lock cylinder (3). The concave slider (52) is movably inserted on the outside of the guide mechanism (51). The linkage (4) is connected with the lock cylinder (3) and the concave slider (52) respectively. The pull rod (53) is arranged on the side of the concave slider (52) close to the lever mechanism (6). The movable connection mechanism (54) is connected with the concave slider (52) and one end of the pull rod (53) respectively. The other end of the pull rod (53) is hingedly connected with the lever mechanism (6).
3. An inside pull lock body according to claim 2, wherein The guide mechanism (51) includes two first guide strips (511) and two second guide strips (512). The two first guide strips (511) are arranged on the two sides of the bottom of the lock shell (1) opposite to the lock cylinder (3) respectively. The two second guide strips (512) are arranged on the top of the lock shell (1) one by one corresponding to the two first guide strips (511) respectively. The two first guide strips (511) abut against the two sides of the inner bottom of the concave slider (52) respectively. The two second guide strips (512) abut against the two sides of the inner top of the concave slider (52) respectively.
4. The inside pull type lock body according to claim 2, wherein The movable connection mechanism (54) includes a communication groove (541), an insertion hole (542), and a pin column (543). The communication groove (541) is arranged on the concave slider (52). One end of the pull rod (53) is slid through the communication groove (541). The insertion hole (542) is arranged on the pull rod (53). The pin column (543) is inserted into the insertion hole (542).
5. The inside pull lock body according to claim 2, wherein The linkage device (4) comprises a fixed column (41), a snap spring (42), two push blocks (43) and two avoiding grooves (44), the fixed column (41) is arranged on the side of the lock cylinder (3) away from the lock tongue (2), the snap spring (42) is sleeved on the fixed column (41), the two sides of the snap spring (42) are respectively in abutment with the two sides of the concave sliding piece (52), two avoiding grooves (44) are respectively arranged on the two sides of the concave sliding piece (52), and two push blocks (43) are respectively arranged on the two sides of the lock cylinder (3) outside.
6. An inside pull lock body according to claim 2 wherein, The lock tongue (2) comprises a lock tongue body (21), an extension block (22) and a insertion hole (23), the lock tongue body (21) is slidably arranged on the lock hole (11), the extension block (22) is arranged on the side of the lock tongue body (21) facing the lock cylinder (3), the insertion hole (23) is arranged on the extension block (22), the lever mechanism (6) comprises a push rod (61) and a pin joint column (62), one end of the push rod (61) is inserted into the insertion hole (23), the other end of the push rod (61) is hinged to the inner edge of the lock shell (1) away from the side of the extension block (22), and the pin joint column (62) is arranged on the middle part of the push rod (61). One end of the pull rod (53) is sleeved on the pin joint column (62).
7. An inner pull type lock body according to claim 6, wherein The lock shell (1) comprises a shell (12), a cover plate (13) and an inner fixed block (14), the inner fixed block (14) is arranged on the middle part in the shell (12), the cover plate (13) is arranged on one side of the shell (12), the lock hole (11) is arranged on the cover plate (13), one end of the push rod (61) away from the extension block (22) is hinged to the inner fixed block (14), the pull rod (53) is arranged on the inner fixed block (14), the two ends of the push-pull device (7) are respectively connected with the inner fixed block (14) and the lock tongue (2), and the inner fixed block (14) is arranged on one side of the insertion groove (15), and the extension block (22) is inserted into the insertion groove (15).
8. An inner pull type lock body according to claim 7, wherein The pushing device (7) comprises a first spring (71), a second spring (72), a groove (73), a limiting column (74), a sleeve joint (75) and a stop rod (76), two ends of the first spring (71) abut against the lock tongue (2) and the top of the inner fixed block (14) respectively, the groove (73) is arranged on the side of the lock tongue (2) facing the inner fixed block (14), the limiting column (74) is arranged on the bottom of the side of the inner fixed block (14) facing the lock tongue (2), the sleeve joint (75) is sleeved on the limiting column (74), one end of the stop rod (76) is inserted into the groove (73), the other end of the stop rod (76) is connected with the sleeve joint (75), one end of the second spring (72) abuts against the lock tongue (2), and the other end of the second spring (72) is sleeved on the limiting column (74) and abuts against the sleeve joint (75).
9. An inner pull type lock body according to claim 8, wherein A pushing rod (63) is arranged on the side of the pushing rod (61) away from the pin joint column (62), and an abutting arc surface (77) is arranged on the side of the stop rod (76) facing the pushing rod (63).