CN220434494U - Driving lever type belt pulley clutch unlocking mechanism - Google Patents
Driving lever type belt pulley clutch unlocking mechanism Download PDFInfo
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- CN220434494U CN220434494U CN202321228453.0U CN202321228453U CN220434494U CN 220434494 U CN220434494 U CN 220434494U CN 202321228453 U CN202321228453 U CN 202321228453U CN 220434494 U CN220434494 U CN 220434494U
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- shaft
- worm
- guide rod
- unlocking mechanism
- tooth
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- 230000007246 mechanism Effects 0.000 title claims abstract description 25
- 230000005540 biological transmission Effects 0.000 claims abstract description 32
- 230000001360 synchronised effect Effects 0.000 claims abstract description 6
- 238000003756 stirring Methods 0.000 claims description 12
- 230000005611 electricity Effects 0.000 abstract description 4
- 238000000034 method Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
The utility model relates to the technical field of unlocking mechanisms, in particular to a deflector rod type belt wheel clutch unlocking mechanism, which comprises the following components: the synchronous belt pulley assembly comprises a transmission shaft and a belt pulley, the worm and gear assembly comprises a worm shaft and a worm wheel shaft, and the transmission shaft is collinear with the axis of the worm wheel shaft; the transmission connecting assembly comprises a fixing frame, a poking disc and a sleeve, wherein the poking disc is rotatably arranged at the outer side of the sleeve through a bearing, a first guide rod and a second guide rod are arranged on the poking disc along the radial direction, and a sliding groove for the first guide rod to slide is formed in the fixing frame; the limiting assembly comprises a sliding frame for the second guide rod to pass through and a spring plunger for limiting the guide rod to slide, switching teeth are arranged in the sleeve, and first teeth and second teeth meshed with the switching teeth are arranged on the transmission shaft and the worm wheel shaft, so that the driving force can be provided through the belt pulley under the condition that the truck suddenly loses electricity, the worm wheel and worm assembly is enabled to resume transmission, and the normal opening of the car door is ensured.
Description
Technical Field
The utility model relates to the technical field of unlocking mechanisms, in particular to a deflector rod type belt wheel clutch unlocking mechanism.
Background
In recent years, with the development of society, the demand for efficiency of cargo transportation is increasing. In the cargo transportation, the cargoes are transported from a warehouse to a destination through a freight train or a high-speed rail, in order to ensure the transportation efficiency of the cargoes on the freight train or the high-speed rail, the door of the freight train or the high-speed rail is required to be set as a large-opening door, and when the cargoes are transported through the freight train or the high-speed rail, the large-opening door is locked through a locking structure, so that the safety of the transportation process is improved.
However, the freight train generally adopts a transmission mechanism to open or close the vehicle door, and when the freight train suddenly loses electricity, the transmission mechanism in the freight train can be disabled, and the normal use of the vehicle door is affected.
Disclosure of Invention
The technical problems to be solved by the utility model are as follows: the utility model provides a driving lever type belt pulley clutch unlocking mechanism, which effectively solves the problems in the background technology.
In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: a lever-type pulley clutch unlocking mechanism comprising:
a housing body;
the synchronous pulley assembly comprises a transmission shaft and a belt pulley arranged on the transmission shaft, the worm and gear assembly comprises a worm shaft and a worm wheel shaft which are vertically arranged, and the axis of the transmission shaft is collinear with the axis of the worm wheel shaft;
the transmission connecting assembly comprises a fixing frame, a stirring disc and a sleeve, wherein the fixing frame is arranged on the worm and gear assembly, the stirring disc is sleeved on the outer side of the sleeve, bearings are arranged in annular gaps of the stirring disc and the sleeve, the stirring disc is provided with a first guide rod and a second guide rod along the radial direction, a chute for the first guide rod to slide is arranged on the fixing frame, and the end part of the second guide rod extends out of the housing body;
the limiting assembly is fixed on the housing body and comprises a sliding frame for the second guide rod to pass through and a spring plunger arranged on the sliding frame, and the spring plunger is used for limiting the second guide rod to slide on the sliding frame;
wherein, the sleeve is internally provided with a switching tooth, the transmission shaft is provided with a first tooth meshed with the switching tooth, the worm wheel shaft is provided with a second tooth meshed with the switching tooth, and tooth grooves of the first tooth and the second tooth are aligned.
Further, the spring plungers are provided two in the sliding direction of the second guide bar.
Further, the housing body comprises an inner mounting plate and an outer mounting plate, and an unlocking space is reserved between the inner mounting plate and the outer mounting plate;
the outer mounting plate protrudes inwards towards the unlocking space to form a box structure, and a crank lock shaft structure for driving the worm shaft to rotate is arranged in the box structure;
the crank lock shaft is connected with the worm shaft through a coupler.
Further, a safety locking structure is further arranged in the box body structure and comprises a key sleeve and a locking block rotatably arranged in the key sleeve;
the locking block stretches into the one end of the unlocking space and is provided with a clamping groove, and the crank lock shaft is provided with a groove for clamping the clamping groove.
Further, an opening door, a swing rod and a door lock are arranged on the opening side of the box body structure;
the swing rod is of an n-type structure, one end of the swing rod is fixed on the inner side surface of the opening and closing door, and the other end of the swing rod penetrates through the box body structure and is hinged on the inner side surface of the outer mounting plate;
and a limiting block matched with the door lock is arranged in the box body structure.
Further, a first step shaft section is arranged on the sleeve, a second step shaft section is arranged in an inner hole of the poking disc, and an annular gap for installing the bearing is formed between the second step shaft section and the first step shaft section;
and annular grooves are formed in the first step shaft section and the second step shaft section, and snap springs are arranged in the annular grooves.
Further, the box structure is located on the inner side face of the unlocking space, and the limiting assembly is further arranged on the inner side face of the unlocking space.
Further, a magnet attracting structure is arranged at one end of the opening and closing door, which is far away from the swing rod.
Further, an embedded handle is arranged on the opening and closing door.
Further, the end part of the switching tooth, which is close to the second tooth, is in a sharp corner structure.
The beneficial effects of the utility model are as follows: according to the utility model, through the arrangement of the transmission connecting component, the belt pulley can provide driving force under the condition that the freight car suddenly loses electricity, so that the worm and gear component resumes transmission, and the normal opening or closing of the car door is ensured.
Drawings
In order to more clearly illustrate the embodiments of the present utility model or the technical solutions in the prior art, the drawings that are required to be used in the embodiments or the description of the prior art will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present utility model, and other drawings may be obtained according to the drawings without inventive effort to those skilled in the art.
FIG. 1 is a rear isometric view of a lever pulley clutch unlocking mechanism in an embodiment of the present utility model;
FIG. 2 is a cross-sectional view of a lever-type pulley clutch unlocking mechanism in accordance with an embodiment of the present utility model;
FIG. 3 is an enlarged view of a portion of FIG. 1 at A;
FIG. 4 is a schematic illustration of a transfer tooth in synchromesh with a first tooth and a second tooth in an embodiment of the present utility model;
FIG. 5 is a schematic view of a transmission connection assembly according to an embodiment of the present utility model;
fig. 6 is a front isometric view of a lever-type pulley clutch unlocking mechanism in an embodiment of the utility model.
Reference numerals: 1. a housing body; 11. an inner mounting plate; 12. an outer mounting plate; 2. a synchronous pulley assembly; 21. a transmission shaft; 211. a first tooth; 22. a belt pulley; 3. a worm gear assembly; 31. a worm wheel shaft; 311. a second tooth; 32. a worm shaft; 4. a drive connection assembly; 41. a fixing frame; 42. a toggle plate; 421. a first guide bar; 422. a second guide bar; 43. a sleeve; 431. a transfer tooth; 44. a bearing; 5. a limit component; 51. a sliding frame; 52. a spring plunger; 6. a crank lock shaft structure; 7. a safety lock structure; 8. an opening/closing door; 81. swing rod; 82. a door lock; 83. a handle is embedded in the handle; 9. a magnet attraction structure.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.
It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When an element is referred to as being "connected" to another element, it can be directly connected to the other element or intervening elements may also be present. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only and are not meant to be the only embodiment.
Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used in the description of the utility model herein is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.
The shift lever type pulley clutch unlocking mechanism as shown in fig. 1 to 6 comprises: a housing body 1; the synchronous pulley assembly 2 and the worm gear assembly 3 are arranged on one side of the housing body 1, the synchronous pulley assembly 2 comprises a transmission shaft 21 and a pulley 22 arranged on the transmission shaft 21, the worm gear assembly 3 comprises a worm shaft 32 and a worm wheel shaft 31 which are vertically arranged, and the axis of the transmission shaft 21 is collinear with the axis of the worm wheel shaft 31;
the transmission connection assembly 4 comprises a fixing frame 41, a stirring disc 42 and a sleeve 43, wherein the fixing frame 41 is arranged on the worm and gear assembly 3, the stirring disc 42 is sleeved on the outer side of the sleeve 43, a bearing 44 is arranged in an annular gap between the stirring disc 42 and the sleeve 43, the stirring disc 42 is provided with a first guide rod 421 and a second guide rod 422 along the radial direction, a chute for the first guide rod 421 to slide is arranged on the fixing frame 41, and the end part of the second guide rod 422 extends out of the housing body 1;
the limiting assembly 5 is fixed on the housing body 1 and comprises a sliding frame 51 for the second guide rod 422 to pass through and a spring plunger 52 arranged on the sliding frame 51, wherein the spring plunger 52 is used for limiting the second guide rod 422 to slide in the sliding frame 51;
the sleeve 43 is provided with a switching tooth 431, the transmission shaft 21 is provided with a first tooth 211 meshed with the switching tooth 431, the worm wheel shaft 31 is provided with a second tooth 311 meshed with the switching tooth 431, and tooth grooves of the first tooth 211 and the second tooth 311 are aligned.
In the preferred embodiment of the utility model, in the event of a sudden power failure of the truck mechanism, the toggle disc 42 is manually driven to move the toggle disc 42 on the transmission shaft 21 towards the worm wheel shaft 31, the first guide rod 421 slides along the chute, the second guide rod 422 slides in the sliding frame 51, when one end of the switching tooth 431 is meshed with the second tooth 311 of the worm wheel shaft 31, and the other end is meshed with the second tooth 311 of the transmission shaft 21, the spring plunger 52 in the sliding frame 51 fixes the second guide rod 422 at the position so as to prevent the toggle disc 42 from moving along the axial direction, and then the worm wheel shaft 31 is driven to synchronously rotate through the belt pulley 22, so that the worm wheel and worm assembly 3 can be restored to the transmission, and the door on the truck is opened. Through the arrangement of the transmission connecting component 4, the driving force can be provided through the belt pulley 22 under the condition that the freight car suddenly loses electricity, so that the worm and gear component 3 resumes transmission, and the normal opening of the car door is ensured.
In the preferred embodiment of the present utility model, the spring plungers 52 are provided in two along the sliding direction of the second guide bar 422. When the second guide bar 422 slides between the two spring plungers 52, the two spring plungers 52 clamp the second guide bar 422, so that the connection between the toggle disc 42 and the transmission shaft 21 and the worm wheel shaft 31 ensures the transmission stability of the toggle disc 42.
In the preferred embodiment of the utility model, the housing body 1 comprises an inner mounting plate 11 and an outer mounting plate 12, and an unlocking space is arranged between the inner mounting plate 11 and the outer mounting plate 12; the outer mounting plate 12 protrudes inwards towards the unlocking space to form a box structure, and a crank lock shaft structure 6 for driving the worm shaft 32 to rotate is arranged in the box structure; the crank lock shaft is connected to the worm shaft 32 through a coupler.
In order to ensure the safety and reliability of the vehicle body in the advancing process, a safety locking structure is also arranged in the box body structure and comprises a key sleeve and a locking block rotatably arranged in the key sleeve; one end of the locking block extending into the unlocking space is provided with a clamping groove, and the crank lock shaft is provided with a groove for clamping the clamping groove. The self-locking device can be arranged in a closed state of the vehicle door, so that potential safety hazards caused by unexpected loosening of the vehicle door are avoided.
In the preferred embodiment of the utility model, an opening and closing door 8, a swing rod 81 arranged on the opening and closing door 8 and a door lock 82 are arranged on the opening side of the box body structure; the swing rod 81 is of an n-type structure, one end of the swing rod is fixed on the inner side surface of the opening and closing door 8, and the other end of the swing rod penetrates through the box body structure and is hinged on the inner side surface of the outer mounting plate 12; be equipped with in the box structure with lock 82 complex stopper, through the setting of opening and shutting door 8 and lock 82, increased the security of unblock structure service environment.
In the preferred embodiment of the present utility model, the sleeve 43 is provided with a first step shaft section, the inner hole of the toggle disc 42 is provided with a second step shaft section, and the second step shaft section and the first step shaft section form an annular gap for installing the bearing 44; and annular grooves are formed in the first step shaft section and the second step shaft section, and snap springs are arranged in the annular grooves. For restricting the displacement of the bearing 44 on the sleeve 43, effectively ensuring the reliability of the mounting of the bearing 44.
As a preference of the above embodiment, a limiting component 5 is further disposed on the inner side surface of the unlocking space of the box structure, and by performing double limiting on the guide shaft, the reliability of the position of the dial 42 is ensured.
In the preferred embodiment of the utility model, a magnet attracting structure 9 is arranged at one end of the opening and closing door 8 far away from the swing rod 81. The reliability of locking of the opening and closing door 8 is ensured.
On the basis of the above embodiment, the opening and closing door 8 is provided with the built-in handle 83. The convenience of opening or closing the opening and closing door 8 is improved.
In the preferred embodiment of the present utility model, the end of the adapter tooth 431 adjacent to the second tooth 311 has a pointed structure. The circumferential position of the second tooth 311 which is not stopped in place after rotation is adjusted, so that the sleeve 43 can be ensured to be smoothly sleeved on the worm wheel shaft 31, and the feasibility of the device is effectively ensured.
It will be understood by those skilled in the art that the present utility model is not limited to the embodiments described above, and that the above embodiments and descriptions are merely illustrative of the principles of the present utility model, and various changes and modifications may be made without departing from the spirit and scope of the utility model, which is defined in the appended claims. The scope of the utility model is defined by the appended claims and equivalents thereof.
Claims (10)
1. A lever-type pulley clutch unlocking mechanism, comprising:
a housing body (1);
the synchronous pulley assembly (2) comprises a transmission shaft (21) and a pulley (22) arranged on the transmission shaft (21), the worm and gear assembly (3) comprises a worm shaft (32) and a worm wheel shaft (31) which are vertically arranged, and the axis of the transmission shaft (21) is collinear with the axis of the worm wheel shaft (31);
the transmission connecting assembly (4) comprises a fixing frame (41), a stirring disc (42) and a sleeve (43), wherein the fixing frame (41) is arranged on the worm gear assembly (3), the stirring disc (42) is sleeved on the outer side of the sleeve (43), a bearing (44) is arranged in an annular gap between the stirring disc (42) and the sleeve (43), a first guide rod (421) and a second guide rod (422) are arranged on the stirring disc (42) along the radial direction, a sliding groove for the first guide rod (421) to slide is formed in the fixing frame (41), and the end part of the second guide rod (422) extends out of the housing body (1);
the limiting assembly (5) is fixed on the housing body (1) and comprises a sliding frame (51) through which the second guide rod (422) passes and a spring plunger (52) arranged on the sliding frame (51), and the spring plunger (52) is used for limiting the sliding of the second guide rod (422) on the sliding frame (51);
the worm gear shaft (31) is provided with a second tooth (311) meshed with the switching tooth (431), and tooth grooves of the first tooth (211) and the second tooth (311) are aligned.
2. The lever-type pulley clutch unlocking mechanism according to claim 1, characterized in that the spring plungers (52) are provided two in the sliding direction of the second guide lever (422).
3. The lever-type pulley clutch unlocking mechanism according to claim 1, characterized in that the housing body (1) comprises an inner mounting plate (11) and an outer mounting plate (12), an unlocking space being present between the inner mounting plate (11) and the outer mounting plate (12);
the outer mounting plate (12) protrudes inwards towards the unlocking space to form a box structure, and a crank lock shaft structure (6) for driving the worm shaft (32) to rotate is arranged in the box structure;
the crank lock shaft is connected with the worm shaft (32) through a coupler.
4. The deflector rod type pulley clutch unlocking mechanism according to claim 3, wherein a safety locking structure is further arranged in the box body structure, and the safety locking structure comprises a key sleeve and a locking block rotatably arranged in the key sleeve;
the locking block stretches into the one end of the unlocking space and is provided with a clamping groove, and the crank lock shaft is provided with a groove for clamping the clamping groove.
5. A lever-type pulley clutch unlocking mechanism according to claim 3, characterized in that an opening door (8), a swing lever (81) and a door lock (82) are provided on the opening side of the case structure;
the swing rod (81) is of an n-type structure, one end of the swing rod is fixed on the inner side surface of the opening and closing door (8), and the other end of the swing rod penetrates through the box body structure and is hinged on the inner side surface of the outer mounting plate (12);
and a limiting block matched with the door lock (82) is arranged in the box body structure.
6. The deflector rod type pulley clutch unlocking mechanism according to claim 1, wherein a first step shaft section is arranged on the sleeve (43), a second step shaft section is arranged in an inner hole of the deflector disc (42), and an annular gap for installing the bearing (44) is formed between the second step shaft section and the first step shaft section;
and annular grooves are formed in the first step shaft section and the second step shaft section, and snap springs are arranged in the annular grooves.
7. A lever-type pulley clutch unlocking mechanism according to claim 3, characterized in that the limit assembly (5) is further provided on the inner side of the unlocking space of the box structure.
8. The deflector rod type pulley clutch unlocking mechanism according to claim 5, wherein a magnet attracting structure (9) is arranged at one end of the opening and closing door (8) far away from the swinging rod (81).
9. The deflector rod type pulley clutch unlocking mechanism according to claim 8, wherein the opening and closing door (8) is provided with an embedded handle (83).
10. The lever pulley clutch unlocking mechanism according to claim 1, characterized in that the end of the transit tooth (431) close to the second tooth (311) is in a pointed structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228453.0U CN220434494U (en) | 2023-05-19 | 2023-05-19 | Driving lever type belt pulley clutch unlocking mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321228453.0U CN220434494U (en) | 2023-05-19 | 2023-05-19 | Driving lever type belt pulley clutch unlocking mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220434494U true CN220434494U (en) | 2024-02-02 |
Family
ID=89695929
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321228453.0U Active CN220434494U (en) | 2023-05-19 | 2023-05-19 | Driving lever type belt pulley clutch unlocking mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220434494U (en) |
-
2023
- 2023-05-19 CN CN202321228453.0U patent/CN220434494U/en active Active
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