Pull-up frame

Abstract

The utility model relates to the technical field of sports equipment, in particular to a pull-up frame. Comprising an exercise device and a supporting base, a first connecting frame and a second connecting frame of the exercise device are connected with a first supporting mechanism and a second supporting mechanism of the supporting base respectively, a first sliding part is arranged on the first connecting frame, and a second sliding part is arranged on the second connecting frame; the first sliding piece and the first supporting mechanism are jointly and rotationally connected with a first connecting piece, the second sliding piece and the second supporting mechanism are jointly and rotationally connected with a second connecting piece, the first sliding piece is provided with a first locking piece used for fixing the first sliding piece, and the second sliding piece is provided with a second locking piece used for fixing the second sliding piece. The section of the first connecting frame and the section of the second connecting frame are non-circular, a first special-shaped hole is correspondingly formed in the first sliding piece, and a second special-shaped hole is correspondingly formed in the second sliding piece. The pull-up frame solves the problem that a traditional pull-up frame occupies a large space after being folded.

Description

Technical Field

[0001] The utility model relates to the technical field of sports equipment, in particular to a pull-up rack. Background Art

[0002] Nowadays, people attach great importance to their physical health. For modern people with a fast pace of life, home fitness is a form of exercise that is more in line with modern life. For example, pull-ups are a common form of exercise. Regular practice of pull-ups can effectively enhance muscle strength and improve the body's coordination ability.

[0003] Therefore, pull-up racks have appeared on the market, which can be placed indoors for use. Users can exercise whenever they need to, without being restricted by time and place, which greatly facilitates users' daily training. However, traditional pull-up racks are large in overall size and cannot be folded completely, so that the pull-up racks still occupy a lot of space after being folded, which is extremely inconvenient for users to move or store the pull-up racks. Utility Model Content

[0004] In order to solve the above problems, the utility model proposes a pull-up frame, which solves the problem that the traditional pull-up frame takes up a lot of space after being folded.

[0005] The technical solution adopted by the utility model is: a pull-up frame, comprising an exercise device and a support base, the exercise device comprising a first connecting frame and a second connecting frame, the first connecting frame and the second connecting frame being both connected to the support base, the support base comprising a first support mechanism and a second support mechanism, the first support mechanism being rotatably connected to the end portion of the first connecting frame, the second support mechanism being rotatably connected to the end portion of the second connecting frame, a first sliding member being provided on the first connecting frame, a second sliding member being rotatably connected to the first connecting member by the first sliding member and the second sliding member being rotatably connected to the second connecting member by the second sliding member, a first locking member being provided on the first sliding member for fixing the first sliding member, and a second locking member being provided on the second sliding member for fixing the second sliding member; the cross-sectional shape of the first connecting frame is non-circular, the first sliding member is provided with a first special-shaped hole for matching the first connecting frame, the cross-sectional shape of the second connecting frame is non-circular, and the second sliding member is provided with a second special-shaped hole for matching the second connecting frame.

[0006] Through the above technical solution, when the user stores the foldable pull-up frame, the user completely pulls out the first locking member and the second locking member, rotates the first supporting mechanism and the second supporting mechanism, drives the first connecting member and the second connecting member to rotate, so that the first sliding member slides on the first connecting frame, and the second sliding member slides on the second connecting frame. After the first sliding member and the second sliding member reach the limit distance, the first locking member is used to fix the first sliding member, and the second locking member is used to fix the second sliding member, and the storage of the pull-up frame is completed; the first connecting frame is inserted into the first special-shaped hole of the first sliding member, and the second connecting frame is inserted into the second special-shaped hole of the second sliding member, so that the overall structure of the pull-up frame is very compact, and the volume after storage is smaller, which is convenient for users to store and move.

[0007] Furthermore, a first limiting hole and a second limiting hole are provided on the first connecting frame, and a first mounting hole for the first locking member to pass through is provided on the first sliding member, and the first locking member can be engaged with the first limiting hole or the second limiting hole; a third limiting hole and a fourth limiting hole are provided on the second connecting frame, and a second mounting hole for the second locking member to pass through is provided on the second sliding member, and the second locking member can be engaged with the third limiting hole or the fourth limiting hole.

[0008] Through the above technical solution, the user slides the first sliding member to the position of the first limiting hole, slides the second sliding member to the position of the third limiting hole, the first locking member passes through the first mounting hole and is engaged with the first limiting hole, and the second locking member passes through the second mounting hole and is engaged with the third limiting hole, and the pull-up frame is fully unfolded; slide the first sliding member to the position of the second limiting hole, slide the second sliding member to the position of the fourth limiting hole, the first locking member passes through the first mounting hole and the second limiting hole and is engaged, and the second locking member passes through the second mounting hole and the fourth limiting hole and is engaged, and the pull-up frame is stored, making the deployment and storage of the pull-up frame very convenient and more convenient to use.

[0009] Further, the first connecting member and the second connecting member are both frame-shaped, the first connecting member includes a first rotating shaft, a second rotating shaft, a first connecting piece and a second connecting piece, two ends of the first connecting piece are respectively rotatably connected to the first rotating shaft and the second rotating shaft, and two ends of the second connecting piece are respectively rotatably connected to the first rotating shaft and the second rotating shaft, the first rotating shaft is passed through the first sliding member, and the second rotating shaft is passed through the first supporting mechanism, the first connecting piece is located on one side of the first sliding member and the first supporting mechanism, and the second connecting piece is located on the other side of the first sliding member and the first supporting mechanism; the second connecting member includes a third rotating shaft, a fourth rotating shaft, a third connecting piece and a fourth connecting piece, two ends of the third connecting piece are respectively rotatably connected to the third rotating shaft and the fourth rotating shaft, two ends of the fourth connecting piece are respectively rotatably connected to the third rotating shaft and the fourth rotating shaft, the third rotating shaft is passed through the second sliding member, and the fourth rotating shaft is passed through the second supporting mechanism, the third connecting piece is located on one side of the second sliding member and the second supporting mechanism, and the fourth connecting piece is located on the other side of the second sliding member and the second supporting mechanism.

[0010] Through the above technical solution, the first connecting piece of the first connecting member is located on one side of the first sliding member and the first support mechanism, the second connecting piece is located on the other side of the first sliding member and the first support mechanism, the third connecting piece of the second connecting piece is located on one side of the second sliding member and the second support mechanism, and the fourth connecting piece is located on the other side of the second sliding member and the second support mechanism, so that after the user completely folds the pull-up frame, the first connecting piece and the second connecting piece can be stored on the outside of the first support mechanism and the first sliding member, and the third connecting piece and the fourth connecting piece can be stored on the outside of the second support mechanism and the second sliding member, which greatly reduces the distance between the first support mechanism and the first sliding member and the distance between the second support mechanism and the second sliding member, so that the pull-up frame after folding and storage is completed is more compact and smaller in size, and is easier for the user to store and move.

[0011] Furthermore, the first supporting mechanism includes a first hollow rod and a second hollow rod, and the first hollow rod and the second hollow rod are respectively rotatably connected to both sides of the first connecting frame, and the second supporting mechanism includes a third hollow rod and a fourth hollow rod, and the third hollow rod and the fourth hollow rod are respectively rotatably connected to both sides of the second connecting frame; when the first supporting mechanism and the second supporting mechanism are fully unfolded, the first hollow rod, the second hollow rod, the third hollow rod and the fourth hollow rod are all located on the same plane.

[0012] Through the above technical solution, the arrangement of the first hollow rod and the second hollow rod greatly increases the force-bearing area of the first support mechanism, thereby improving the overall bearing capacity of the first support mechanism; the arrangement of the third hollow rod and the fourth hollow rod greatly increases the force-bearing area of the second support mechanism, thereby improving the overall bearing capacity of the second support mechanism; the first hollow rod, the second hollow rod, the third hollow rod and the fourth hollow rod are all located on the same plane when the pull-up frame is fully unfolded, making the overall support base of the pull-up frame more stable.

[0013] Furthermore, when the first supporting mechanism and the second supporting mechanism are fully unfolded, the angle formed by the first hollow rod and the second hollow rod is an obtuse angle, the angle formed by the third hollow rod and the fourth hollow rod is an obtuse angle, and the opening direction of the angle formed by the first hollow rod and the second hollow rod is opposite to the opening direction of the angle formed by the third hollow rod and the fourth hollow rod.

[0014] Through the above technical solution, the support area formed by the first hollow rod and the second hollow rod and the third hollow rod and the fourth hollow rod after they are fully unfolded is larger, the angle formed by the first hollow rod and the second hollow rod is an obtuse angle, and the angle formed by the third hollow rod and the fourth hollow rod is an obtuse angle, which effectively avoids the pull-up frame from being prone to overall tilting during use, making the pull-up frame as a whole more stable.

[0015] Furthermore, there are two first connecting members, and the two first connecting members are rotatably connected to the first hollow rod and the second hollow rod respectively; there are two second connecting members, and the two second connecting members are rotatably connected to the third hollow rod and the fourth hollow rod respectively.

[0016] Through the above technical solution, the two first connecting members are rotatably connected to the first hollow rod and the second hollow rod respectively, so that the connection between the first supporting mechanism and the first sliding member is more secure and the force is more evenly distributed; the two second connecting members are rotatably connected to the third hollow rod and the fourth hollow rod respectively, so that the connection between the second supporting mechanism and the second sliding member is more secure and the force is more evenly distributed.

[0017] Furthermore, a first mounting rod is provided on the first connecting frame, a second mounting rod is provided on the second connecting frame, a positioning piece is fixedly connected to the end of the first mounting rod, the positioning piece and the second mounting rod are rotatably connected, and a locking column is commonly provided on the positioning piece and the second mounting rod.

[0018] With the above technical solution, after the user disassembles the components on the exercise device, he or she completely pulls out the locking column and rotates the first mounting rod and the second mounting rod to fold the first connecting frame and the second connecting frame, thereby further reducing the volume of the pull-up frame after folding, thereby further saving the space occupied by the pull-up frame when stored.

[0019] Furthermore, the second hollow rod and the fourth hollow rod are respectively provided with handles for holding.

[0020] Through the above technical solution, the user can very conveniently use the handle to apply force to the second hollow rod and the fourth hollow rod, thereby expanding and storing the pull-up frame, which is more convenient and labor-saving for the user to use.

[0021] Furthermore, foot pads are provided at the bottoms of the first connecting frame, the second connecting frame, the first hollow rod, the second hollow rod, the third hollow rod and the fourth hollow rod.

[0022] Through the above technical solution, the provision of the foot pads increases the friction between the pull-up frame and the ground, preventing the pull-up frame from slipping during use. At the same time, it also has a certain buffering effect, reducing the damage caused to the ground by the pull-up frame during the user's exercise. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the following briefly introduces the drawings required for use in the embodiments or the description of the prior art. Obviously, the drawings described below are only some embodiments of the present invention. For ordinary technicians in this field, other drawings can be obtained based on the structures shown in these drawings without paying any creative work.

[0024] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0025] Figure 2 This is one of the partial structural diagrams of the utility model;

[0026] Figure 3 This is the second schematic diagram of the partial structure of the utility model;

[0027] Figure 4 This is an enlarged view of point A of the second partial structural diagram of the present invention;

[0028] Figure 5 This is a schematic structural diagram of the first connecting frame of the present utility model;

[0029] Figure 6 This is a schematic structural diagram of the second connecting frame of the present invention;

[0030] Figure 7 This is a schematic structural diagram of the first sliding member of the present utility model;

[0031] Figure 8 This is a schematic structural diagram of the second sliding member of the present invention;

[0032] Figure 9 This is a schematic structural diagram of the first connecting member of the present utility model;

[0033] Figure 10 This is a schematic structural diagram of the second connecting member of the present invention;

[0034] The utility model number information is as follows:

[0035] 1. Exercise device; 2. First connecting frame; 3. Second connecting frame; 4. First support mechanism; 401. First hollow rod; 402. Second hollow rod; 5. Second support mechanism; 501. Third hollow rod; 502. Fourth hollow rod; 6. First sliding member; 7. Second sliding member; 8. First connecting member; 801. First rotating shaft; 802. Second rotating shaft; 803. First connecting plate; 804. Second connecting plate; 9. Second connecting member; 901. Third rotating shaft; 902, fourth rotation axis; 903, third connecting piece; 904, fourth connecting piece; 10, first locking member; 11, second locking member; 12, first special-shaped hole; 13, second special-shaped hole; 14, first limiting hole; 15, second limiting hole; 16, first mounting hole; 17, third limiting hole; 18, fourth limiting hole; 19, second mounting hole; 20, first mounting rod; 21, second mounting rod; 22, positioning piece; 23, locking post; 24, handle; 25, foot pad;

[0036] The realization of the purpose, functional features and advantages of the present invention will be further explained in conjunction with embodiments and with reference to the accompanying drawings. DETAILED DESCRIPTION

[0037] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts are within the scope of protection of the present invention.

[0038] It should be noted that all directional indications (such as up, down, left, right, front, back, etc.) in the embodiments of the present invention are only used to explain the relative position relationship, movement status, etc. between the various components under a certain specific posture (as shown in the accompanying drawings). If the specific posture changes, the directional indication will also change accordingly.

[0039] In addition, the descriptions of "first," "second," etc. in this utility model are for descriptive purposes only and should not be understood as indicating or implying their relative importance or implicitly indicating the number of the technical features indicated. Therefore, the features defined as "first" or "second" may explicitly or implicitly include at least one of such features. In addition, the technical solutions between the various embodiments can be combined with each other, but this must be based on the fact that they can be implemented by ordinary technicians in this field. When the combination of technical solutions is contradictory or cannot be implemented, it should be deemed that such combination of technical solutions does not exist and is not within the scope of protection required by this utility model.

[0040] See Figures 1 to 10 As shown, a pull-up frame includes an exercise device 1 and a support base. The exercise device 1 includes a first connecting frame 2 and a second connecting frame 3. The first connecting frame 2 and the second connecting frame 3 are both connected to the support base. The support base includes a first supporting mechanism 4 and a second supporting mechanism 5. The first supporting mechanism 4 is rotatably connected to the end of the first connecting frame 2, and the second supporting mechanism 5 is rotatably connected to the end of the second connecting frame 3. A first sliding member 6 is provided on the first connecting frame 2, and a second sliding member 7 is provided on the second connecting frame 3. The first sliding member 6 and the first supporting mechanism 4 are jointly rotatably connected to the first connecting member 8, and the second sliding member 7 and the second supporting mechanism 5 are jointly rotatably connected to the second connecting member 9. The first sliding member 6 is provided with a first locking member 10 for fixing the first sliding member 6, and the second sliding member 7 is provided with a second locking member 11 for fixing the second sliding member 7; the cross-sectional shape of the first connecting frame 2 is non-circular, and the first sliding member 6 is provided with a first special-shaped hole 12 for matching the first connecting frame 2. The cross-sectional shape of the second connecting frame 3 is non-circular, and the second sliding member 7 is provided with a second special-shaped hole 13 for matching the second connecting frame 3. When the user stores the foldable pull-up frame, the user completely pulls out the first locking member 10 and the second locking member 11, rotates the first supporting mechanism 4 and the second supporting mechanism 5, drives the first connecting member 8 and the second connecting member 9 to rotate, so that the first sliding member 6 slides on the first connecting frame 2, and the second sliding member 7 slides on the second connecting frame 3. After the first sliding member 6 and the second sliding member 7 reach the limit distance, the first locking member 10 is used to fix the first sliding member 6, and the second locking member 11 fixes the second sliding member 7, and the pull-up frame is stored; the first connecting frame 2 is inserted into the first special-shaped hole 12 of the first sliding member 6, and the second connecting frame 3 is inserted into the second special-shaped hole 13 of the second sliding member 7, so that the overall structure of the pull-up frame is very compact, and the volume after storage is smaller, which is convenient for users to store and move.

[0041] Preferably, the first locking member 10 and the second locking member 11 are both latches.

[0042] See Figure 1 、2 As shown in Figures 5, 6, 7 and 8, the first connecting frame 2 is provided with a first limiting hole 14 and a second limiting hole 15, and the first sliding member 6 is provided with a first mounting hole 16 for the first locking member 10 to pass through, and the first locking member 10 can be engaged with the first limiting hole 14 or the second limiting hole 15; the second connecting frame 3 is provided with a third limiting hole 17 and a fourth limiting hole 18, and the second sliding member 7 is provided with a second mounting hole 19 for the second locking member 11 to pass through, and the second locking member 11 can be engaged with the third limiting hole 17 or the fourth limiting hole 18. The user slides the first sliding member 6 to the position of the first limiting hole 14, slides the second sliding member 7 to the position of the third limiting hole 17, the first locking member 10 passes through the first mounting hole 16 and is engaged with the first limiting hole 14, and the second locking member 11 passes through the second mounting hole 19 and is engaged with the third limiting hole 17, and the pull-up frame is fully unfolded; slide the first sliding member 6 to the position of the second limiting hole 15, slide the second sliding member 7 to the position of the fourth limiting hole 18, the first locking member 10 passes through the first mounting hole 16 and the second limiting hole 15 and is engaged, and the second locking member 11 passes through the second mounting hole 19 and is engaged with the fourth limiting hole 18, and the pull-up frame is stored, making the deployment and storage of the pull-up frame very convenient and more convenient to use.

[0043] See Figure 1 、 2As shown in Figures 9 and 10, the first connecting member 8 and the second connecting member 9 are both frame-shaped. The first connecting member 8 includes a first rotating shaft 801, a second rotating shaft 802, a first connecting piece 803 and a second connecting piece 804. The two ends of the first connecting piece 803 are respectively rotatably connected to the first rotating shaft 801 and the second rotating shaft 802, and the two ends of the second connecting piece 804 are respectively rotatably connected to the first rotating shaft 801 and the second rotating shaft 802. The first rotating shaft 801 is passed through the first sliding member 6, and the second rotating shaft 802 is passed through the first supporting mechanism 4. The first connecting piece 803 is located on one side of the first sliding member 6 and the first supporting mechanism 4, and the second connecting piece 804 is located on the first sliding member 6. and the other side of the first support mechanism 4; the second connecting member 9 includes a third rotating shaft 901, a fourth rotating shaft 902, a third connecting piece 903 and a fourth connecting piece 904, the two ends of the third connecting piece 903 are respectively rotatably connected to the third rotating shaft 901 and the fourth rotating shaft 902, and the two ends of the fourth connecting piece 904 are respectively rotatably connected to the third rotating shaft 901 and the fourth rotating shaft 902, the third rotating shaft 901 is passed through the second sliding member 7, and the fourth rotating shaft 902 is passed through the second support mechanism 5, the third connecting piece 903 is located on one side of the second sliding member 7 and the second support mechanism 5, and the fourth connecting piece 904 is located on the other side of the second sliding member 7 and the second support mechanism 5. The first connecting piece 803 of the first connecting member 8 is located on one side of the first sliding member 6 and the first supporting mechanism 4, the second connecting piece 804 is located on the other side of the first sliding member 6 and the first supporting mechanism 4, the third connecting piece 903 of the second connecting piece 804 is located on one side of the second sliding member 7 and the second supporting mechanism 5, and the fourth connecting piece 904 is located on the other side of the second sliding member 7 and the second supporting mechanism 5, so that after the user completely folds the pull-up frame, the first connecting piece 803 and the second connecting piece 804 can be stored on the outside of the first supporting mechanism 4 and the first sliding member 6, and the third connecting piece 903 and the fourth connecting piece 904 can be stored on the outside of the second supporting mechanism 5 and the second sliding member 7, greatly reducing the distance between the first supporting mechanism 4 and the first sliding member 6 and the distance between the second supporting mechanism 5 and the second sliding member 7, so that the pull-up frame after folding and storage is completed is more compact and smaller in size, and is easier for the user to store and move.

[0044] See Figures 1 to 3As shown, the first supporting mechanism 4 includes a first hollow rod 401 and a second hollow rod 402, which are respectively rotatably connected to the two sides of the first connecting frame 2, and the second supporting mechanism 5 includes a third hollow rod 501 and a fourth hollow rod 502, which are respectively rotatably connected to the two sides of the second connecting frame 3; when the first supporting mechanism 4 and the second supporting mechanism 5 are fully unfolded, the first hollow rod 401, the second hollow rod 402, the third hollow rod 501 and the fourth hollow rod 502 are all located on the same plane. The arrangement of the first hollow rod 401 and the second hollow rod 402 greatly increases the force-bearing area of the first support mechanism 4, thereby improving the overall bearing capacity of the first support mechanism 4; the arrangement of the third hollow rod 501 and the fourth hollow rod 502 greatly increases the force-bearing area of the second support mechanism 5, thereby improving the overall bearing capacity of the second support mechanism 5; the first hollow rod 401, the second hollow rod 402, the third hollow rod 501 and the fourth hollow rod 502 are all located on the same plane when the pull-up frame is fully unfolded, making the support base of the pull-up frame more stable as a whole.

[0045] See Figures 1 to 3 As shown, when the first support mechanism 4 and the second support mechanism 5 are fully deployed, the angle formed by the first hollow rod 401 and the second hollow rod 402 is an obtuse angle, and the angle formed by the third hollow rod 501 and the fourth hollow rod 502 is an obtuse angle. The opening direction of the angle formed by the first hollow rod 401 and the second hollow rod 402 is opposite to the opening direction of the angle formed by the third hollow rod 501 and the fourth hollow rod 502. When the first hollow rod 401 and the second hollow rod 402 and the third hollow rod 501 and the fourth hollow rod 502 are fully deployed, the support area formed is larger. The obtuse angles formed by the first hollow rod 401 and the second hollow rod 402 and the obtuse angles formed by the third hollow rod 501 and the fourth hollow rod 502 effectively prevent the pull-up stand from tilting during use, making the pull-up stand more stable as a whole.

[0046] See Figures 1 and 2 As shown, there are two first connecting members 8, which are rotatably connected to the first hollow rod 401 and the second hollow rod 402, respectively. There are two second connecting members 9, which are rotatably connected to the third hollow rod 501 and the fourth hollow rod 502, respectively. The rotatable connection of the two first connecting members 8 to the first hollow rod 401 and the second hollow rod 402, respectively, strengthens the connection between the first supporting mechanism 4 and the first sliding member 6 and provides a more uniform force distribution. The rotatable connection of the two second connecting members 9 to the third hollow rod 501 and the fourth hollow rod 502, respectively, strengthens the connection between the second supporting mechanism 5 and the second sliding member 7 and provides a more uniform force distribution.

[0047] See Figures 1 to 4 As shown, a first mounting rod 20 is provided on the first connecting frame 2, and a second mounting rod 21 is provided on the second connecting frame 3. A positioning piece 22 is fixedly connected to the end of the first mounting rod 20. The positioning piece 22 and the second mounting rod 21 are rotatably connected. A locking post 23 is passed through both the positioning piece 22 and the second mounting rod 21. After the user disassembles the components of the exercise device 1, the locking post 23 is completely pulled out, and the first mounting rod 20 and the second mounting rod 21 are rotated, causing the first connecting frame 2 and the second connecting frame 3 to fold. This further reduces the volume of the pull-up stand after folding, further saving the space occupied by the pull-up stand when stored.

[0048] Preferably, the locking post 23 is a marble latch.

[0049] See Figures 1 to 3 As shown, the second hollow rod 402 and the fourth hollow rod 502 are respectively provided with a handle 24 for holding. The user can very conveniently use the handle to apply force to the second hollow rod 402 and the fourth hollow rod 502, thereby expanding and storing the pull-up rack more conveniently and labor-savingly.

[0050] See Figures 1 to 3 As shown, foot pads 25 are provided at the bottom of the first connecting frame 2, the second connecting frame 3, the first hollow rod 401, the second hollow rod 402, the third hollow rod 501, and the fourth hollow rod 502. The provision of the foot pads 25 increases the friction between the pull-up frame and the ground, preventing the pull-up frame from slipping during use. At the same time, the foot pads 25 also provide a certain cushioning effect, reducing damage caused by the pull-up frame to the ground during exercise by the user.

[0051] When the present invention is in use, when folding the pull-up frame, the user completely pulls out the first locking member 10 and the second locking member 11, rotates the first supporting mechanism 4 and the second supporting mechanism 5, drives the first connecting member 8 and the second connecting member 9 to rotate, so that the first sliding member 6 slides on the first connecting frame 2, and the second sliding member 7 slides on the second connecting frame 3. After the first sliding member 6 and the second sliding member 7 reach the limit distance, the first locking member 10 is used to fix the first sliding member 6, and the second locking member 11 is used to fix the second sliding member 7, and the pull-up frame is stored. The components on the exercise device 1 can also be disassembled, and then the locking column 23 is completely pulled out, and the first mounting rod 20 and the second mounting rod 21 are rotated to fold the first connecting frame 2 and the second connecting frame 3, so that the volume of the pull-up frame after folding is further reduced.

[0052] The above description is only a preferred embodiment of the present invention and does not limit the patent scope of the present invention. All equivalent structural transformations made by using the contents of the present invention specification and drawings under the utility model concept, or direct / indirect application in other related technical fields are included in the patent protection scope of the present invention.

Claims

1. A pull-up frame, comprising an exercise device (1) and a support base, wherein the exercise device (1) comprises a first connecting frame (2) and a second connecting frame (3), wherein the first connecting frame (2) and the second connecting frame (3) are both connected to the support base, and wherein: The support base comprises a first support mechanism (4) and a second support mechanism (5), wherein the first support mechanism (4) is rotatably connected to the end of the first connecting frame (2), and the second support mechanism (5) is rotatably connected to the end of the second connecting frame (3), a first sliding member (6) is provided on the first connecting frame (2), and a second sliding member (7) is provided on the second connecting frame (3), the first sliding member (6) and the first support mechanism (4) are rotatably connected to a first connecting member (8), and the second sliding member (7) and the second support mechanism (5) are rotatably connected to a second connecting member (8). Part (9), the first sliding part (6) is provided with a first locking part (10) for fixing the first sliding part (6), and the second sliding part (7) is provided with a second locking part (11) for fixing the second sliding part (7); the cross-sectional shape of the first connecting frame (2) is non-circular, the first sliding part (6) is provided with a first special-shaped hole (12) for matching the first connecting frame (2), the cross-sectional shape of the second connecting frame (3) is non-circular, and the second sliding part (7) is provided with a second special-shaped hole (13) for matching the second connecting frame (3).

2. A pull-up stand according to claim 1, characterized in that: The first connecting frame (2) is provided with a first limiting hole (14) and a second limiting hole (15); the first sliding member (6) is provided with a first mounting hole (16) for the first locking member (10) to pass through, and the first locking member (10) can be engaged with the first limiting hole (14) or the second limiting hole (15); the second connecting frame (3) is provided with a third limiting hole (17) and a fourth limiting hole (18); the second sliding member (7) is provided with a second mounting hole (19) for the second locking member (11) to pass through, and the second locking member (11) can be engaged with the third limiting hole (17) or the fourth limiting hole (18).

3. A pull-up stand according to claim 2, characterized in that: The first connecting member (8) and the second connecting member (9) are both frame-shaped. The first connecting member (8) includes a first rotating shaft (801), a second rotating shaft (802), a first connecting piece (803) and a second connecting piece (804). The two ends of the first connecting piece (803) are respectively rotatably connected to the first rotating shaft (801) and the second rotating shaft (802). The two ends of the second connecting piece (804) are respectively rotatably connected to the first rotating shaft (801) and the second rotating shaft (802). The first rotating shaft (801) is passed through the first sliding member (6), and the second rotating shaft (802) is passed through the first supporting mechanism (4). The first connecting piece (803) is located on one side of the first sliding member (6) and the first supporting mechanism (4). The second connecting piece (804) is located between the first sliding member (6) and the first supporting mechanism (4). The other side of a supporting mechanism (4); the second connecting member (9) includes a third rotating shaft (901), a fourth rotating shaft (902), a third connecting piece (903) and a fourth connecting piece (904), the two ends of the third connecting piece (903) are respectively rotatably connected to the third rotating shaft (901) and the fourth rotating shaft (902), the two ends of the fourth connecting piece (904) are respectively rotatably connected to the third rotating shaft (901) and the fourth rotating shaft (902), the third rotating shaft (901) is passed through the second sliding member (7), the fourth rotating shaft (902) is passed through the second supporting mechanism (5), the third connecting piece (903) is located on one side of the second sliding member (7) and the second supporting mechanism (5), and the fourth connecting piece (904) is located on the other side of the second sliding member (7) and the second supporting mechanism (5).

4. A pull-up stand according to claim 1, 2 or 3, characterized in that: The first supporting mechanism (4) comprises a first hollow rod (401) and a second hollow rod (402), the first hollow rod (401) and the second hollow rod (402) being rotatably connected to the two sides of the first connecting frame (2), respectively; the second supporting mechanism (5) comprises a third hollow rod (501) and a fourth hollow rod (502), the third hollow rod (501) and the fourth hollow rod (502) being rotatably connected to the two sides of the second connecting frame (3), respectively; when the first supporting mechanism (4) and the second supporting mechanism (5) are fully unfolded, the first hollow rod (401), the second hollow rod (402), the third hollow rod (501) and the fourth hollow rod (502) are all located on the same plane.

5. The pull-up stand according to claim 4, characterized in that: When the first supporting mechanism (4) and the second supporting mechanism (5) are fully unfolded, the angle formed by the first hollow rod (401) and the second hollow rod (402) is an obtuse angle, the angle formed by the third hollow rod (501) and the fourth hollow rod (502) is an obtuse angle, and the opening direction of the angle formed by the first hollow rod (401) and the second hollow rod (402) is opposite to the opening direction of the angle formed by the third hollow rod (501) and the fourth hollow rod (502).

6. The pull-up stand according to claim 5, characterized in that: There are two first connecting members (8), and the two first connecting members (8) are rotatably connected to the first hollow rod (401) and the second hollow rod (402) respectively; there are two second connecting members (9), and the two second connecting members (9) are rotatably connected to the third hollow rod (501) and the fourth hollow rod (502) respectively.

7. A pull-up stand according to claim 5 or 6, characterized in that: A first mounting rod (20) is provided on the first connecting frame (2), a second mounting rod (21) is provided on the second connecting frame (3), a positioning piece (22) is fixedly connected to the end of the first mounting rod (20), the positioning piece (22) and the second mounting rod (21) are rotatably connected, and a locking column (23) is commonly provided on the positioning piece (22) and the second mounting rod (21).

8. The pull-up stand according to claim 7, characterized in that: The second hollow rod (402) and the fourth hollow rod (502) are respectively provided with handles (24) for holding.

9. The pull-up stand according to claim 8, characterized in that: Foot pads (25) are provided at the bottoms of the first connecting frame (2), the second connecting frame (3), the first hollow rod (401), the second hollow rod (402), the third hollow rod (501) and the fourth hollow rod (502).

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