Quick-release pedal fixing assembly

Abstract

The utility model relates to the technical field of wheelchair accessories, and particularly discloses a quick-release pedal fixing component which is clamped and mounted on a wheelchair vertical frame and comprises a tube seat, one end of the tube seat is provided with a pedal connecting hole, the other end of the tube seat is provided with a semicircular hole for clamping the wheelchair vertical frame, and the tube seat is provided with a pedal connecting hole. A semicircular hole is formed in the pipe base, the semicircular hole is clamped to the wheelchair vertical frame through rotation, a control part is arranged on one side of the pipe base, a limiting part is elastically arranged on the other side of the pipe base, the limiting part is clamped to the wheelchair vertical frame, and the control part drives the limiting part to swing; the quick-release pedal fixing assembly is rotationally clamped on the wheelchair vertical frame through the semicircular hole in the tube seat, and then can be further clamped through the limiting part, so that the tube seat is stably mounted on the wheelchair vertical frame, a traditional locking bolt is not needed for locking, the tube seat can be prevented from sliding on the wheelchair vertical frame, the stability is improved, and the service life of the wheelchair vertical frame is prolonged. And moreover, the tube seat is convenient to rotate and separate, and time and labor are saved in the dismounting process.

Description

TECHNICAL FIELD

[0001] The utility model relates to the technical field of wheelchair accessories, in particular to a quick-release pedal fixing assembly. BACKGROUND

[0002] Wheelchair is the medical instrument of assisting patient treatment and rehabilitation, and the pedal assembly of the existing wheelchair structure is usually installed on the wheelchair frame through a pipe clamp, and the pipe clamp is only locked through a locking bolt, and the pedal is often stepped on, and the pedal is prone to slipping on the wheelchair frame under gravity, thereby affecting the use experience, and in order to fasten the pipe clamp, the locking bolt is usually screwed tightly, and it is time-consuming and laborious to disassemble and assemble. SUMMARY

[0003] In order to overcome the defects existing in the prior art, the utility model provides a quick-release pedal fixing assembly, which aims at solving the problems in the prior art.

[0004] The utility model discloses a quick-release pedal fixing assembly, which is clamped and installed on the wheelchair vertical frame, and comprises a pipe seat, one end of the pipe seat is provided with a pedal connecting hole, the other end is provided with a semicircular hole for clamping the wheelchair vertical frame, the semicircular hole is clamped and rotated on the wheelchair vertical frame, one side of the pipe seat is provided with a control part, the other side is elastically provided with a limiting part, the limiting part is clamped with the wheelchair vertical frame, and the control part drives the limiting part to swing.

[0005] In the quick-release pedal fixing assembly, a positioning hole is formed in the inner wall of one end of the semicircular hole close to the pedal connecting hole, an arc-shaped guide groove is formed in the inner wall of the semicircular hole close to the control part, the positioning hole and the arc-shaped guide groove are in communication, a clamping groove is formed in the other side of the inner wall of the semicircular hole, one end of the clamping groove is open, one end of the limiting part is swingably arranged in the clamping groove, and the arc-shaped guide groove and the clamping groove are connected with the wheelchair vertical frame.

[0006] In the quick-release pedal fixing assembly, a first convex column and a second convex column are symmetrically arranged on the wheelchair vertical frame, the first convex column is clamped in the arc-shaped guide groove, the second convex column is clamped in the clamping groove, and one end of the limiting part abuts on the upper.

[0007] In the quick-release pedal fixing assembly, a cavity is arranged through the pipe seat, the control part is a lever, the limiting part is a swing arm, the middle part of the swing arm is hinged in the side wall of the pipe seat, the swing arm is elastically swingably arranged in the pipe seat, the lever is arranged in the cavity, the lever is connected with one end of the swing arm through a connecting rod, the other end of the swing arm is provided with a hook body, and the hook body extends into the clamping groove.

[0008] The cavity is provided with a spring, the spring is sleeved on the connecting rod, one end of the spring is pressed against the end of the swing arm, and the other end is pressed against the inner wall of the cavity near the end of the push rod.

[0009] The pedal connecting hole is provided with a locking screw hole formed on the pipe base.

[0010] The pipe base is rotatably clamped on the wheelchair vertical frame through the semicircular hole, and then can be further clamped through the limiting part, so that the pipe base is stably installed on the wheelchair vertical frame, without the need of traditional locking bolts for locking, the pipe base can be prevented from slipping on the wheelchair vertical frame, stability is improved, and the control part can drive the limiting part to swing, so that the limiting part is convenient to separate from the wheelchair vertical frame, so that the pipe base is rotatably separated, and the dismounting process is time-saving and labor-saving. BRIEF DESCRIPTION OF DRAWINGS

[0011] Figure 1 It is a connection state schematic view of the quick-release pedal fixing assembly of the embodiment.

[0012] Figure 2 It is a structure schematic view of the pipe base and the wheelchair vertical frame.

[0013] Figure 3 It is one of the three-dimensional structure schematic views of the pipe base.

[0014] Figure 4 It is the second three-dimensional structure schematic view of the pipe base.

[0015] Figure 5 It is an internal structure schematic view of the pipe base.

[0016] In the figure: pipe base 1, pedal connecting hole 2, locking screw hole 3, semicircular hole 4, positioning hole 5, arc-shaped guide groove 6, clamping groove 7, push rod 8, cavity 9, swing arm 10, hook body 11, spring 12, connecting rod 13, wheelchair vertical frame 14, first protruding column 15, second protruding column 16, pedal connecting rod 17. DETAILED DESCRIPTION

[0017] The specific embodiments of the utility model will be further described below in combination with the drawings. It should be explained here that the description of these embodiments is used to help understanding the utility model, but does not constitute the limitation of the utility model. In addition, the technical features involved in each embodiment of the utility model described below can be combined with each other as long as they do not conflict with each other.

[0018] In combination Figures 1 to 5The quick-release pedal fixing assembly is clamped and installed on the wheelchair vertical frame 14, and the quick-release pedal fixing assembly comprises a pipe base 1, the pipe base 1 is provided with a pedal connecting hole 2 at one end and a semicircular hole 4 for clamping the wheelchair vertical frame 14 at the other end, the semicircular hole 4 is clamped on the wheelchair vertical frame 14 through rotation, one side of the pipe base 1 is provided with a control part, and the other side is elastically provided with a limiting part, the limiting part is clamped on the wheelchair vertical frame 14, and the control part drives the limiting part to swing; in the embodiment, the semicircular hole 4 on the pipe base 1 is clamped on the wheelchair vertical frame 14 through rotation, then the limiting part can be further clamped, so that the pipe base 1 is stably installed on the wheelchair vertical frame 14, the traditional locking bolt is not needed for locking, the pipe base 1 can be prevented from slipping on the wheelchair vertical frame 14, the stability is improved, the limiting part can be swung by the control part, the limiting part is convenient to separate from the wheelchair vertical frame 14, so that the pipe base 1 is rotated and separated, and the dismounting process is time-saving and labor-saving.

[0019] The semicircular hole 4 of the embodiment is provided with a positioning hole 5 in the inner wall of one end close to the pedal connecting hole 2, the inner wall of the semicircular hole 4 is provided with an arc-shaped guide groove 6 on one side close to the control part, the positioning hole 5 is in communication with the arc-shaped guide groove 6, the inner wall of the semicircular hole 4 is provided with a clamping groove 7 on the other side, one end of the clamping groove 7 is an opening, one end of the limiting part is swingably arranged in the clamping groove 7, and the arc-shaped guide groove 6 and the clamping groove 7 are connected with the wheelchair vertical frame 14; the positioning hole 5 can be used for positioning the pipe base 1 on the wheelchair vertical frame 14, so that the arc-shaped guide groove 6 and the clamping groove 7 clamp the wheelchair vertical frame 14, and the pipe base 1 is limited on the wheelchair vertical frame 14 through the limiting part, so that the pipe base 1 is prevented from rotating on the wheelchair vertical frame 14, and the stability is improved.

[0020] The first convex column 15 is clamped in the arc-shaped guide groove 6, the second convex column 16 is clamped in the clamping groove 7, and one end of the limiting part abuts against the upper; during installation, the semicircular hole 4 is sleeved on the wheelchair vertical frame 14, during sleeving, the positioning hole 5 is first corresponded to the first convex column 15, so that the first convex column 15 is inserted into the positioning hole 5, then the pipe base 1 is rotated, so that the first convex column 15 is clamped into the arc-shaped guide groove 6, and the second convex column 16 can be clamped into the clamping groove 7 at the same time, so that the pipe base 1 is prevented from slipping on the wheelchair vertical frame 14, and the pipe base 1 is quickly dismounted.

[0021] The pipe base 1 is provided with a cavity 9, the control part is a lever 8, the limiting part is a swing arm 10, the middle part of the swing arm 10 is hinged in the side wall of the pipe base 1, the swing arm 10 is elastically swingingly arranged in the pipe base 1, the lever 8 is arranged in the cavity 9, the lever 8 is connected with one end of the swing arm 10 through a connecting rod 13, the other end of the swing arm 10 is provided with a hook body 11, the hook body 11 extends into the clamping groove 7; after the second protruding column 16 is clamped into the clamping groove 7, the hook body 11 hooks the second protruding column 16, so that the pipe base 1 is prevented from rotating on the wheelchair vertical frame 14, thereby preventing the pipe base 1 from being separated; when disassembling is needed, the lever 8 is pulled, so that the swing arm 10 swings, the hook body 11 is separated from the second protruding column 16, thereby conveniently rotating the pipe base 1 and taking down.

[0022] Specifically, the cavity 9 is provided with a spring 12, the spring 12 is sleeved on the connecting rod 13, one end of the spring 12 abuts against the end of the swing arm 10, and the other end of the spring 12 abuts against the inner wall of the cavity 9 close to one end of the lever 8; the spring 12 can make the hook body 11 on the swing arm 10 better abut against the second protruding column 16.

[0023] It is worth noting that the foot pedal connecting hole 2 is provided with a locking screw hole 3 arranged on the pipe base 1, so as to fix the foot pedal connecting rod 17.

[0024] The above describes the embodiments of the utility model in detail in combination with the drawings, but the utility model is not limited to the described embodiments. For those skilled in the art, various changes, modifications, replacements and modifications can be made to the embodiments without departing from the principles and spirits of the utility model, and still fall into the protection scope of the utility model.

Claims

1. A quick-release pedal fixing assembly, which is clamped and installed on a wheelchair vertical frame (14), characterized in that, The quick-release pedal fixing assembly comprises a pipe base (1), one end of the pipe base (1) is provided with a pedal connecting hole (2), the other end is provided with a semicircular hole (4) for clamping a wheelchair vertical frame (14), the semicircular hole (4) is clamped on the wheelchair vertical frame (14) through rotation, one side of the pipe base (1) is provided with a control part, the other side is elastically provided with a limiting part, the limiting part is clamped with the wheelchair vertical frame (14), and the control part drives the limiting part to swing.

2. A quick-release pedal fixing assembly according to claim 1, wherein The semicircular hole (4) is provided with a positioning hole (5) on the inner wall of one end close to the pedal connecting hole (2), the inner wall of the semicircular hole (4) is provided with an arc-shaped guide groove (6) on one side close to the control part, the positioning hole (5) is in communication with the arc-shaped guide groove (6), and the inner wall of the semicircular hole (4) is provided with a clamping groove (7) on the other side.

3. A quick-release pedal retaining assembly according to claim 2, wherein: The semicircular hole (4) is provided with a positioning hole (5) on the inner wall of one end close to the pedal connecting hole (2), the inner wall of the semicircular hole (4) is provided with an arc-shaped guide groove (6) on one side close to the control part, the positioning hole (5) is in communication with the arc-shaped guide groove (6), and the inner wall of the semicircular hole (4) is provided with a clamping groove (7) on the other side.

4. A quick-release pedal fixing assembly according to claim 2, wherein The pipe base (1) is provided with a cavity (9) penetrating through, the control part is a lever (8), the limiting part is a swing arm (10), the middle part of the swing arm (10) is hinged to the side wall of the pipe base (1), the swing arm (10) is elastically swingably arranged in the pipe base (1), the lever (8) is arranged in the cavity (9), the lever (8) is connected with one end of the swing arm (10) through a connecting rod (13), the other end of the swing arm (10) is provided with a hook body (11), and the hook body (11) extends into the clamping groove (7).

5. A quick-release pedal retaining assembly according to claim 4, wherein: The cavity (9) is provided with a spring (12), the spring (12) is sleeved on the connecting rod (13), one end of the spring (12) abuts against the end of the swing arm (10), and the other end abuts against the inner wall of the cavity (9) close to one end of the lever (8).

6. A quick-release pedal fixing assembly according to claim 1, wherein The pedal connecting hole (2) is provided with a locking screw hole (3) formed in the pipe base (1).

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