Retractable pedal for special vehicle
By designing a retractable foot pedal device, the problems of inconvenience in getting on and off special vehicles and the impact on driving are solved, and the effect of convenient getting on and off and saving space is achieved.
Patent Information
- Application Number
- CN202422874079.2
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-11-25
- Publication Date
- 2025-10-24
- Estimated Expiration
- 2034-11-25
AI Technical Summary
Special vehicles have to drive on rough roads, and the high-mounted doors make getting on and off the vehicle inconvenient, consuming physical energy and posing a risk of slipping. Conventional foot pedals affect the vehicle's departure angle.
A retractable footrest device is designed, including a lower pedal, an upper pedal, left and right brackets, left and right joints, a long axis, a short axis, a hook and a connecting rod. It is welded to the bottom of the vehicle body and provides convenient getting on and off the vehicle when unfolded, and does not take up space when folded.
It provides a convenient way to get on and off the vehicle, saves energy, reduces the risk of slipping, does not affect the vehicle's driving after use, and takes up little space.
Smart Images
Figure CN223467080U_ABST
Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary equipment for special vehicles, in particular to a retractable foot pedal for special vehicles. Background Art
[0002] In daily life, people frequently board and exit special vehicles, which often travel over rugged mountain roads. Consequently, the chassis of these vehicles is typically high, and the doors are also mounted high, making boarding and exiting inconvenient. This process consumes excessive physical effort, seriously impacting riders' fitness levels. In rainy or snowy weather, water or snow on the ground can cling to the soles of riders' shoes, making them prone to slipping and increasing the risk of slipping. Furthermore, footrests that typically cannot be retracted affect the departure angle of a special vehicle while in motion. Therefore, a retractable footrest device for special vehicles is necessary. Utility Model Content
[0003] The utility model aims to provide a retractable foot pedal for special vehicles, comprising a lower pedal, an upper pedal, left and right brackets, left and right joints, a long axis, a short axis I, a short axis II, a hook, a connecting rod and a plurality of retaining rings.
[0004] The lower pedal comprises a lower pedal surface, a U-shaped block, a support plate and a support frame.
[0005] The support frame includes two bilaterally symmetrical V-shaped support rods, and the rod bodies of the V-shaped support rods are divided into an A rod and a B rod.
[0006] The lower pedal surface is located between the A rods of the two V-shaped struts and is fixed on the A rods. A U-shaped block is installed on the rod end of the B rod, and a support plate is installed on the rod body. The setting direction of the support plate is away from the opening direction of the V-shaped strut.
[0007] The upper pedal comprises an upper pedal surface and a connecting block.
[0008] A connecting block is installed on both sides of the lower plate surface of the upper pedal surface, and a J-shaped gusset plate extends downward from one end away from the connecting block.
[0009] The left and right brackets include a left bracket and a right bracket that are symmetrically arranged.
[0010] The left bracket is a rod-shaped structure, with a pedal mounting hole at one end of the rod and a joint limiting hole at the other end. A groove is symmetrically provided on the upper and lower parts of the rod body along the length direction of the rod body, a horizontal groove is provided on the right side of the rod body along the length direction of the rod body, and a short column is installed on the left end of the rod body near the pedal mounting hole.
[0011] A hook is provided on the short column.
[0012] In the assembled state, the upper pedal face is embedded in the horizontal slot of the left and right supports, the left and right supports have one end of the pedal mounting hole embedded in the two U-shaped blocks of the lower pedal, and the two short shafts I pass through the through holes on the two U-shaped blocks and the two pedal mounting holes, and the lower pedal, the upper pedal and the left and right supports are assembled together through the check ring.
[0013] The lower pedal and the upper pedal are connected by two connecting rods.
[0014] The left and right joints include symmetrically arranged left and right joints.
[0015] The left and right joints are fixed below the tail of the vehicle body and are respectively slidingly installed on the left and right supports.
[0016] The two ends of the long shaft pass through the joint limiting holes of the left and right supports, and the long shaft is fixed on the left and right supports through the check ring.
[0017] Further, the length of the V-shaped support rod B rod is greater than the length of the A rod.
[0018] Further, a triangular plate is arranged between the A rod and the B rod of the V-shaped support rod.
[0019] Further, a plurality of anti-skid holes are arranged on the lower pedal face and the upper pedal face.
[0020] Further, the axis of the pedal mounting hole is parallel to the axis of the joint limiting hole.
[0021] The setting direction of the pedal mounting hole and the joint limiting hole is perpendicular to the length direction of the left and right support shafts.
[0022] Further, the groove penetrates one end of the left support with the joint limiting hole.
[0023] Further, in the assembled state, the axis of the through hole on the U-shaped block, the axis of the pedal mounting hole, and the center of the arc surface corresponding to the J-shaped buckle are on the same straight line.
[0024] Further, through holes are arranged on the connecting block and the support plate.
[0025] Connecting holes are also arranged at the two ends of the connecting rod.
[0026] In the assembled state, the connecting hole at one end of the connecting rod is aligned with the through hole of the connecting block of the upper pedal, and is fixed through the short shaft II and the check ring, and the connecting hole at the other end is aligned with the through hole of the support plate of the lower pedal, and is fixed through the short shaft II and the check ring.
[0027] The two connecting rods are arranged in parallel.
[0028] Furthermore, a T-slot is provided on the left joint and the right joint, and the left bracket is embedded in the T-slot of the left joint through the groove provided thereon, and the right bracket is embedded in the T-slot of the right joint through the groove provided thereon.
[0029] Furthermore, when the special vehicle pedal is in normal use, a retaining ring is provided on the outer side of the short axis I and two retaining rings are provided on the inner side. The upper pedal is away from the long axis and is in an unfolded state with the lower pedal.
[0030] When the special vehicle pedal is in the retracted state, two retaining rings are provided on the outside of the short axis I and a retaining ring is provided on the inside. The upper pedal is close to the long axis, and the two hooks provided on the upper pedal hook the B rod of the lower pedal V-shaped support rod.
[0031] The technical effects of the present invention are unquestionable, and the beneficial effects of the present invention are as follows:
[0032] 1. The footrest of the utility model not only occupies a small installation space but is also convenient for people to use at any time.
[0033] 2. The utility model provides a footrest device welded to the bottom of the vehicle body, which can be easily unfolded and lowered when needed, providing convenience for people to get on and off the vehicle and avoiding bumps; it can be folded and put away after use, and will not have any impact on the driving of the special vehicle. BRIEF DESCRIPTION OF THE DRAWINGS
[0034] Figure 1 This is a diagram of the retractable footrest of a special vehicle in the deployed state;
[0035] Figure 2 The retractable footrest for special vehicles is folded to a 40° angle;
[0036] Figure 2 (a) and (b) show the pedal folded state in two different directions;
[0037] Figure 3 It is a schematic diagram of the pedal structure;
[0038] Figure 3 (a) is a stereoscopic view, (b) is a front view, and (c) is a side view;
[0039] Figure 4 This is a schematic diagram of the pedal structure;
[0040] Figure 5 Schematic diagram of the left and right bracket structures;
[0041] Figure 6 Schematic diagram of the left and right joint structures;
[0042] Figure 7 This is a schematic diagram of the connection between the lower pedal, upper pedal and left and right brackets;
[0043] Figure 7 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints. Figure 1 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0044] Figure 8 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0045] Figure 8 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0046] Figure 9 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints. Figure 8 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0047] Figure 10 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints. Figure 8 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0048] Figure 11 Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0049] Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0050] Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0051] Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints.
[0052] Fig. 2 is a partial enlarged view of A in Fig. 1, and Fig. 3 is a schematic view of the connection of the left and right supports and the left and right joints. DETAILED DESCRIPTION
[0053] The utility model will be further explained in connection with the embodiments below, but should not be understood as the above-mentioned subject matter range of the utility model is limited to the following embodiments. According to the ordinary technical knowledge and conventional means in the art, make various substitutions and changes without departing from the above-mentioned technical thought of the utility model, all should be included in the protection scope of the utility model.
[0054] Example 1:
[0055] Referring to Figures 1-10 A special vehicle retractable footrest, including lower pedal 1, upper pedal 2, left and right support 3, left and right joint 4, long axis 5, short axis I 6, short axis II 7, hook 8, connecting rod 9 and a plurality of retaining ring.
[0056] The lower pedal 1 comprises a lower pedal face 101, a U-shaped block 102, a support plate 104 and a support frame 105.
[0057] The support frame 105 comprises two V-shaped support rods which are symmetrical left and right, and the rod body of the V-shaped support rod is divided into an A rod and a B rod.
[0058] The lower pedal face 101 is located between the A rods of the two V-shaped support rods and is fixed on the A rods. The rod end of the B rod is provided with the U-shaped block 102, and the rod body is provided with the support plate 104, and the setting direction of the support plate 104 is away from the opening direction of the V-shaped support rod.
[0059] The upper pedal 2 comprises an upper pedal face 201 and a connecting block 202.
[0060] One connecting block 202 is installed on each side of the lower plate face of the upper pedal face 201, and the end away from the connecting block 202 extends downward to form a J-shaped buckle plate 203.
[0061] The left and right supports 3 comprise a left support and a right support which are symmetrically arranged.
[0062] The left support is a rod structure, one end of the rod is provided with a pedal mounting hole 301, the other end is provided with a joint limiting hole 302, a groove 303 is symmetrically arranged on the upper and lower sides of the rod body along the length direction of the rod body, a transverse groove 304 is arranged on the right side of the rod body along the length direction of the rod body, and a short column 305 is arranged on the left side of the rod body close to the end of the pedal mounting hole 301; a hook 8 is arranged on the short column 305.
[0063] In the assembled state, the upper pedal face 201 is embedded into the transverse groove 304 of the left and right supports 3, one end of the left and right supports with the pedal mounting hole 301 is embedded into the two U-shaped blocks 102 of the lower pedal 1, and the two short shafts I6 pass through the through holes of the two U-shaped blocks 102 and the two pedal mounting holes 301 respectively, and the lower pedal 1, the upper pedal 2 and the left and right supports 3 are assembled together by the retaining ring.
[0064] The lower pedal 1 and the upper pedal 2 are connected by two connecting rods 9.
[0065] The left and right joints 4 comprise a left joint and a right joint which are symmetrically arranged.
[0066] The left joint and the right joint are fixed below the tail of the vehicle body 11 and are respectively slidingly installed on the left support and the right support.
[0067] The two ends of the long shaft 5 pass through the joint limiting holes 302 of the left and right supports respectively, and the long shaft 5 is fixed on the left and right supports 3 by the retaining ring.
[0068] Example 2:
[0069] The main structure of this embodiment is the same as that of Embodiment 1, and further, the length of the V-shaped strut B rod is greater than that of the A rod.
[0070] Embodiment 3:
[0071] The main structure of this embodiment is the same as that of any one of Embodiments 1-2, and further, a triangular plate 103 is arranged between the A rod and the B rod of the V-shaped strut.
[0072] Embodiment 4:
[0073] The main structure of this embodiment is the same as that of any one of Embodiments 1-3, and further, a plurality of anti-skid holes are arranged on the lower pedal surface 101 and the upper pedal surface 201 at intervals.
[0074] Embodiment 5:
[0075] The main structure of this embodiment is the same as that of any one of Embodiments 1-4, and further, the axis of the pedal mounting hole 301 is parallel to the axis of the joint limiting hole 302.
[0076] The setting direction of the pedal mounting hole 301 and the joint limiting hole 302 is perpendicular to the length direction of the left and right support rod bodies.
[0077] Embodiment 6:
[0078] The main structure of this embodiment is the same as that of any one of Embodiments 1-5, and further, the groove 303 penetrates one end of the left support having the joint limiting hole 302.
[0079] Embodiment 7:
[0080] The main structure of this embodiment is the same as that of any one of Embodiments 1-6, and further, in the assembled state, the axis of the through hole of the U-shaped block 102, the axis of the pedal mounting hole 301, and the center of the arc surface of the J-shaped buckle 203 all are on the same straight line.
[0081] Embodiment 8:
[0082] The main structure of this embodiment is the same as that of any one of Embodiments 1-7, and further, through holes are arranged on the connecting block 202 and the support plate 104.
[0083] Connecting holes are also arranged on both ends of the connecting rod 9.
[0084] In the assembled state, the connecting hole at one end of the connecting rod 9 is aligned with the through hole of the connecting block 202 of the upper pedal 2, and is fixed through the short shaft II 7 and the check ring, and the connecting hole at the other end is aligned with the through hole of the support plate 104 of the lower pedal 1, and is fixed through the short shaft II 7 and the check ring.
[0085] The two connecting rods 9 are arranged in parallel.
[0086] Example 9:
[0087] The main structure of this embodiment is the same as any one of Examples 1-8, further, a T-shaped groove 401 is opened on the left and right joints, the left support is embedded into the T-shaped groove of the left joint through the groove opened thereon, and the right support is embedded into the T-shaped groove of the right joint through the groove opened thereon.
[0088] When the left and right joints are close together, the two T-shaped grooves merge into an H-shaped groove
[0089] Example 10:
[0090] The main structure of this embodiment is the same as any one of Examples 1-9, further, referring to Figure 11 , the outer side of the short shaft I6 is provided with one stop ring, and the inner side is provided with two stop rings, the upper pedal 2 is away from the long shaft 5, and the lower pedal 1 is in an unfolded state between the upper pedal 2.
[0091] In the retracted state of the special vehicle pedal, the outer side of the short shaft I6 is provided with two stop rings, and the inner side is provided with one stop ring, the upper pedal 2 is close to the long shaft 5, and the two hooks 8 provided on the upper pedal 2 hook the B rod of the V-shaped support rod of the lower pedal 1.
[0092] Example 11:
[0093] The main structure of this embodiment is the same as any one of Examples 1-10, further, by the mechanism composed of upper and lower pedals, left and right supports, left and right joints, hooks, connecting rods, long and short shafts, and stop rings, the upper pedal is located above the lower pedal and is staggered, forming a stepped shape.
[0094] The lower pedal is welded by 2 support plates, 2 support rods, 2 U-shaped blocks, 2 triangular plates, and a lower pedal surface.
[0095] The upper pedal is welded by an upper pedal surface and 2 connecting blocks.
[0096] The two ends of the connecting rod are connected together through the short shaft and the stop ring of the connecting block of the upper pedal and the support plate of the lower pedal, and are fixed on the left and right supports, the left and right supports pass through the slot of the left and right joints and are fixed on the left and right joints through the long shaft and the stop ring, and the left and right joints are welded under the tail of the vehicle body.
[0097] The left and right supports are respectively welded by left and right slide rods and shafts, and short shafts are respectively welded on the left and right slide rods, the hooks are fixed on the outer side of the left and right supports through the short shaft and the stop ring, and after the pedal is retracted, the pedal can be fixed without displacement, ensuring that the pedal is within the departure angle range of the armored vehicle.
[0098] Example 12:
[0099] The main structure of this embodiment is the same as any of Embodiments 1 to 11. Furthermore, the retractable footrest assembly includes several anti-slip holes on the upper and lower pedals. This reduces the amount of mud and water carried by passengers' feet during rainy and snowy weather, thereby ensuring a relatively clean interior. The inner sides of the left and right brackets each have a thin transverse groove. The first step in assembling the footrest assembly is to place the left and right sides of the upper pedal into the thin transverse grooves of the left and right brackets. The second step is to align the axis holes of the U-blocks on both sides of the lower pedal, the axis holes of the left and right brackets, and the center of the circle at the bend of the upper pedal, insert a short axle and a retaining ring to secure it. The third step is to connect and secure the connecting block of the upper pedal to the support plate of the lower pedal via a connecting rod and axle. A semi-I-shaped transverse groove is formed in the middle of the left and right joints. The left and right brackets have an I-shaped body structure that can be inserted into the semi-I-shaped transverse groove of the left and right joints. The long axle is then passed through the axis holes at the rear ends of the left and right brackets and secured with a retaining ring. The upper portions of the left and right joints are welded to the vehicle body, and the footrest assembly is complete. The footrests are folded or lowered by sliding the upper and lower pedals on the left and right brackets forward and backward on the connecting rod, while the left and right brackets slide forward and backward on the left and right joints. The left and right brackets are welded by left and right sliding rods and shafts respectively. Short shafts are welded on the left and right sliding rods respectively. The hooks are fixed to the left and right brackets through the short shafts and retaining rings. After the footrests are folded, the footrests can be fixed and not shifted, ensuring that the footrests are within the departure angle range of the special vehicle.
[0100] Example 13:
[0101] The main structure of this embodiment is the same as any one of the embodiments 1 to 11. Furthermore, the pedal upper and lower pedals are composed of a structure (such as the attached Figure 3 When the special vehicle pedals are in normal use, the upper and lower pedals are unfolded and hang down naturally (as shown in the attached Figure 1 As shown), there is a thin horizontal groove on the inner side of the left and right brackets. The left and right sides of the upper pedal surface are stuck in the thin horizontal grooves of the left and right brackets. The centers of the three holes of the front axis holes of the left and right brackets, the axis holes of the U-shaped blocks on both sides of the lower pedal and the bending opening of the upper pedal are aligned. Insert the short axis from the left and right sides respectively and fix them with retaining rings (as shown in the attached Figure 5 As shown in the left view, the retaining rings at the front shaft holes of the left and right brackets are fixed in the form of one retaining ring on the outside and two retaining rings on the inside; the connecting block of the upper pedal and the supporting plate of the lower pedal are connected and fixed by a connecting rod and a short shaft (as shown in the attached figure). Figure 4 The hook is fixed to the short shaft of the left and right brackets through the retaining ring. The left and right brackets are "I" shaped structures and can be embedded in the semi-"I" shaped horizontal grooves of the left and right joints; the long shaft passes through the rear shaft holes of the left and right brackets and is fixed to the left and right joints with retaining rings (as shown in the attached figure). Figure 6 The upper part of the left and right joints are welded to the vehicle body. When you need to put away the pedals after use, loosen the
[0102] Open the left and right bracket front shaft hole of 6 check ring, respectively, the left and right sides of the short shaft to pull out about 5mm, and then put the check ring back to fix, at this time the fixed way for the outside of 2 check ring, inside 1 check ring (such as attached Figure 5 The left view shown); At this time the upper pedal surface can be in the left and right bracket slot back sliding, and through the connecting rod to drive the lower pedal back to the hook clockwise rotation a circle, to the lower pedal support rod front, can fix the pedal not displacement, ensure the pedal in the armored car away from the corner range, the special vehicle driving does not exist any influence.
Claims
1. A retractable step for a special vehicle, characterized by: It comprises a lower pedal (1), an upper pedal (2), left and right supports (3), left and right joints (4), a long shaft (5), a short shaft I (6), a short shaft II (7), a hook (8), connecting rods (9) and a plurality of retaining rings. The lower pedal (1) comprises a lower pedal surface (101), a U-shaped block (102), a support plate (104) and a support frame (105). The support frame (105) comprises two left and right symmetrical V-shaped struts, and the shaft of the V-shaped strut is divided into an A shaft and a B shaft. The lower pedal surface (101) is located between the A shafts of the two V-shaped struts and is fixed on the A shafts; the U-shaped block (102) is installed on the end of the B shaft, and the support plate (104) is installed on the shaft; the setting direction of the support plate (104) is away from the opening direction of the V-shaped strut. The upper pedal (2) comprises an upper pedal surface (201) and a connecting block (202). The lower surface of the upper pedal surface (201) is provided with a connecting block (202) on each side, and the end away from the connecting block (202) extends downward to form a J-shaped buckle plate (203). The left and right supports (3) comprise symmetrically arranged left and right supports. The left support is a rod structure, one end of the rod is provided with a pedal mounting hole (301), the other end is provided with a joint limiting hole (302), and a groove (303) is symmetrically arranged on the upper and lower sides of the rod along the length direction of the rod, a horizontal groove (304) is arranged on the right side of the rod along the length direction of the rod, and a short column (305) is arranged on the left side of the rod close to the pedal mounting hole (301); the hook (8) is arranged on the short column (305). In the assembled state, the upper pedal surface (201) is embedded in the horizontal groove (304) of the left and right supports (3), one end of the left and right supports with the pedal mounting hole (301) is embedded in the two U-shaped blocks (102) of the lower pedal (1), and the two short shafts I (6) pass through the through holes in the two U-shaped blocks (102) and the two pedal mounting holes (301), respectively, and the lower pedal (1), the upper pedal (2) and the left and right supports (3) are assembled together through the retaining ring. The lower pedal (1) and the upper pedal (2) are connected by two connecting rods (9). The left and right joints (4) comprise symmetrically arranged left and right joints. The left and right joints are fixed below the tail of the vehicle body (11) and are slidingly installed on the left and right supports, respectively. The two ends of the long shaft (5) pass through the joint limiting holes (302) of the left and right supports, respectively, and the long shaft (5) is fixed on the left and right supports (3) through the retaining ring.
2. A retractable step for a special vehicle as claimed in claim 1, characterized in that: The length of the B shaft of the V-shaped strut is greater than the length of the A shaft.
3. A retractable step for a special vehicle as defined in claim 1, characterized in that: The A shaft and the B shaft of the V-shaped strut are provided with a triangular plate (103).
4. A retractable step for a special vehicle as defined in claim 1, characterized in that: A plurality of anti-skid holes are arranged on the lower pedal surface (101) and the upper pedal surface (201).
5. A retractable step for a special vehicle as defined in claim 1, characterized in that: The axis of the pedal mounting hole (301) is parallel to the axis of the joint limiting hole (302). The setting direction of the pedal mounting hole (301) and the joint limiting hole (302) is perpendicular to the length direction of the rod body of the left and right supports.
6. A retractable step for a special vehicle as defined in claim 1, characterized in that: The groove (303) penetrates one end of the left support with the joint limiting hole (302).
7. A retractable step for a special vehicle as defined in claim 1, characterized in that: In the assembled state, the axis of the through hole on the U-shaped block (102), the axis of the pedal mounting hole (301), and the center of the arc surface of the J-shaped buckle (203) are on the same straight line.
8. A retractable step for a special vehicle as defined in claim 1, characterized in that: The connecting block (202) and the support plate (104) are both provided with through holes; Both ends of the connecting rod (9) are also provided with connecting holes; In the assembled state, the connecting hole at one end of the connecting rod (9) is aligned with the through hole of the connecting block (202) of the upper pedal (2), and is fixed by the short shaft II (7) and the check ring, and the connecting hole at the other end is aligned with the through hole of the support plate (104) of the lower pedal (1), and is fixed by the short shaft II (7) and the check ring. The two connecting rods (9) are arranged in parallel.
9. A retractable step for a special vehicle as defined in claim 1, characterized in that: A T-shaped groove (401) is formed on the left joint and the right joint, and the left support is embedded into the T-shaped groove of the left joint through the groove formed thereon, and the right support is embedded into the T-shaped groove of the right joint through the groove formed thereon.
10. A retractable step for a special vehicle as defined in claim 1, characterized in that: In the normal use state of the special vehicle footrest, the outer side of the short shaft I (6) is provided with one check ring, and the inner side is provided with two check rings, the upper pedal (2) is away from the long shaft (5), and the lower pedal (1) is in an unfolded state. In the retracted state of the special vehicle footrest, the outer side of the short shaft I (6) is provided with two check rings, and the inner side is provided with one check ring, the upper pedal (2) is close to the long shaft (5), and the two hooks (8) arranged on the upper pedal (2) hook the B rod of the V-shaped support rod of the lower pedal (10).