CN218793750U

CN218793750U - Stretching device with safeguard function

Info

Publication number: CN218793750U
Application number: CN202223153417.0U
Authority: CN
Inventors: 桂杰
Original assignee: Wuhan Maidong Tianxia Information Technology Co ltd
Current assignee: Wuhan Maidong Tianxia Information Technology Co ltd
Priority date: 2022-11-26
Filing date: 2022-11-26
Publication date: 2023-04-07
Anticipated expiration: 2032-11-26

Abstract

The utility model discloses a stretching device with safeguard function, concretely relates to sports equipment field, including unable adjustment base, restriction pole, act as go-between and pull ring, unable adjustment base upper end is fixed with two support frames with unable adjustment base central line symmetry, two first shifting chutes, two have all been seted up to the support frame lower extreme the arc wall has all been seted up, two to the support frame upper end support frame rear end bottom all is provided with the counter weight ware, two be equipped with the restriction pole jointly between the support frame opposite side. The utility model discloses a stretching device with protection function, when the user does the shank and stretches, lean against the restriction pole, can guarantee that the focus does not squint, and the antiskid on the unable adjustment base is protruding, can play anti-skidding effect; when the user carries out the drawing of arm, the counter weight part of the one end of pulling line of pulling, counter weight part not only can utilize the balancing weight to change the weight of self, and balancing weight simple to operate, swift does not have the potential safety hazard moreover.

Description

Stretching device with protection function

Technical Field

The utility model relates to a sports equipment field, in particular to stretching device with safeguard function.

Background

The stretching exercise is one of the exercises that many people must do before doing sports, and the stretching exercise can make the body of a person flexible and extensible, and the stretching exercise can help the muscles to relieve stiffness and spasm due to the fact that the exercising muscles feel stiffness and spasm during the sports.

Chinese patent document CN214913023U discloses a stretching exercise device, which includes a base and a pull wire disposed on the left and right sides, the base is provided with a bracket, a beam is disposed between the brackets, the beam is disposed at the upper end of the bracket, the beam is provided with a second pulley, the bracket is provided with a first pulley, one side of the bracket is provided with a speed limiter, one end of the pull wire is provided with a weight block, and the other end of the pull wire sequentially passes through a speed limiter, the first pulley, the second pulley and the beam and is connected with a stretching rod, the device can control the speed and weight of the weight block, and is easy to use, but when in actual use, the weight block is mutually adsorbed by a magnet, and potential safety hazards exist in the installation and disassembly processes; due to the fact that magnets are used for mutual adsorption, the situation that the installation is not in place possibly exists, and the exercise effect can be influenced.

SUMMERY OF THE UTILITY MODEL

A primary object of the present invention is to provide a stretching device with protection function, which can effectively solve the problem of unstable body when the safety protection and leg portion of the installation and disassembly of the counterweight component are stretched.

In order to achieve the above purpose, the utility model adopts the technical proposal that:

the utility model provides a stretching device with safeguard function, includes unable adjustment base, restriction pole, acts as go-between and pull ring, unable adjustment base upper end is fixed with two support frames with unable adjustment base central line symmetry, two first shift groove has all been seted up to the support frame lower extreme, two the equal fixedly connected with first telescopic link in first shift groove bottom, two first telescopic link upper end is equipped with the buffer board jointly, all be equipped with first spring between buffer board lower extreme and two first shift groove bottoms, two the arc wall has all been seted up to the support frame upper end, two arc wall inside all is equipped with first pulley, two the equal fixed mounting in support frame front end upper portion has first u-shaped piece, two the one end that the support frame was kept away from to first u-shaped piece all rotates connects the second pulley, two the equal fixed mounting in support frame rear end upper portion has second u-shaped piece, two the one end that the support frame was kept away from to second u-shaped piece all rotates connects the third pulley, first u-shaped piece, second u-shaped piece lie in the below of first pulley, two support frame rear end bottom all is provided with the counter weight ware, two be equipped with the restriction pole jointly between the support frame, and restrict the buffer pole and be located the rear end side connection pulley, the pull ring is connected in proper order with second pulley, the second pulley 8 second pulley.

Preferably, the counter weight device includes the counter weight set casing, the second shifting chute has been seted up in the counter weight set casing, second shifting chute bottom is equipped with two second springs, two second spring upper end is equipped with the backup pad jointly, the backup pad upper end is equipped with the counter weight part, the third shifting chute has all been seted up to the counter weight set casing inner wall left and right sides, second shifting chute upper portion fixed mounting has two non slipping spur (116), and leaves the gap between two non slipping spurs, the one end of acting as go-between near the counter weight device passes gap and counter weight part fixed connection, counter weight set casing front end and support frame rear end fixed connection.

Preferably, the counter weight part is including moving the shell, it is fixed with two symmetrical movable plates to move the shell left and right sides, it is equipped with a plurality of from the top down evenly distributed's fixed block to move the shell inner wall left and right sides, and arbitrary two are adjacent all be equipped with the balancing weight between the fixed block, two movable plate slidable mounting is in two third shifting chutes, it closely contacts with backup pad upper end to move the shell lower extreme.

Preferably, the rear side of the lower end of the movable shell is provided with a rotating rod, the upper end of the movable shell is provided with a semi-groove, the lower end of the movable shell is connected with a rotating plate through the rotating rod in a rotating mode, one end, far away from the rotating rod, of the rotating plate is provided with a movable hole, the movable hole is connected with an L-shaped block in a rotating mode, the thickness of the L-shaped block is smaller than the movable hole, one side, far away from the movable hole, of the L-shaped block is provided with a protrusion, and the protrusion of the L-shaped block is matched with the semi-groove.

Preferably, a plurality of anti-skid protrusions are arranged at the upper end of the fixed base.

Preferably, the weight block is detachable in the movable shell.

Compared with the prior art, the utility model discloses following beneficial effect has:

1. the utility model discloses a set up restriction lever, buffer board, first telescopic link, first spring, unable adjustment base, when the user sits and does the motion of squatting deeply on the buffer board, first telescopic link and first spring can provide certain resistance, let the tensile effect of user better, and the restriction lever can prevent that the user from the focus unstability in the use in addition, and the last non-slip raised of unable adjustment base can prevent to slip, and the restriction lever is protruding in addition non-slip, has played the effect of protection focus skew.

2. The utility model discloses a counter weight part that sets up, when the user is using the device in-process, can be through the installation with dismantle the balancing weight, weight when changing the use can satisfy the requirement of different crowds to the weight training, and the slidable mounting and the dismantlement of balancing weight, and not only convenient, swift, and installation space is big, loads and unloads safelyr, prevents to press from both sides and hinder.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention;

fig. 2 is a rear view of the present invention;

fig. 3 is a schematic structural view of the counterweight device of the present invention;

FIG. 4 is a schematic view of the counterweight component of the present invention;

figure 5 is an overall cross-sectional view of the present invention,

figure 6 is a side view of the present invention,

fig. 7 is a schematic structural view of the fixing base of the present invention.

In the figure: 1. a fixed base; 2. a support frame; 3. a buffer plate; 4. a first spring; 5. a first telescopic rod; 6. a first u-shaped block; 7. a second pulley; 8. a first pulley; 9. a second u-shaped block; 10. a third pulley; 11. a counterweight device; 111. a counterweight fixing shell; 112. a second spring; 113. a support plate; 114. a weight member; 1141. moving the shell; 1142. moving the plate; 1143. a rotating plate; 1144. an L-shaped block; 1145. a half groove; 1146. rotating the rod; 1147. a movable hole; 1148. a fixed block; 1149. a counterweight block; 115. a third moving slot; 116. anti-skid blocks; 117. a second moving slot; 12. a restricting lever; 13. a tension ring; 14. a pull wire; 1112. anti-skid projections; 55. a first moving slot; 81. an arc-shaped groove.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1-2, a stretching device with safeguard function, including unable adjustment base 1,

restriction lever

12, 14 and the pull ring 13 act as go-between, unable adjustment base 1 upper end is equipped with a plurality of non-slip raised 1112, can prevent slipping during the use, unable adjustment base 1 upper end is fixed with two support frames 2 with unable adjustment base 1 central line symmetry, arc wall 81 has all been seted up to two support frame 2 upper ends, two inside first pulleys 8 that all are equipped with of arc wall 81, two equal fixed mounting in support frame 2 front end upper portions have first u-shaped piece 6, two first u-shaped pieces 6 keep away from the one end of support frame 2 and all rotate and connect second pulley 7, two equal fixed mounting in support frame 2 rear end upper portions have second u-shaped piece 9, the one end that two second u-shaped pieces 9 kept away from support frame 2 all rotates and connects third pulley 10, first u 6, second u-shaped piece 9 is located the below of first pulley 8, two support frame 2 rear end bottoms all are provided with counterweight 11, support frame 2 is holistic bearing structure, the part of above-mentioned installation is essential device operation.

As shown in figure 6, one end of a stay wire 14 is fixedly connected with a counterweight 11, and the other end of the stay wire 14 is sequentially wound around a third pulley 10, a first pulley 8 and a second pulley 7 and is connected with a tension ring 13, which is the connection of the device when the arm is stretched, and the three pulleys enable the device to run more smoothly.

As shown in fig. 5, first moving chute 55 has all been seted up to 2 lower extremes of two support frames, the first telescopic link 5 of the equal fixedly connected with in two first moving chute 55 bottoms, two first telescopic link 5 upper ends are equipped with buffer board 3 jointly, all be equipped with first spring 4 between buffer board 3 lower extreme and two first moving chute 55 bottoms, be equipped with restriction lever 12 jointly between 2 opposite sides of two support frames, and restriction lever 12 is located buffer board 3 rear side top, buffer board 3 pushes down the process and receives two first springs 4 and the ascending power of two first telescopic links 5, let the tensile effect of user better, and restriction lever 12 can protect user's focus.

As shown in fig. 3, the counterweight device 11 includes a counterweight fixing housing 111, a second moving slot 117 is formed in the counterweight fixing housing 111, two second springs 112 are arranged at the bottom of the second moving slot 117, a supporting plate 113 is jointly arranged at the upper ends of the two second springs 112, a counterweight component 114 is arranged at the upper end of the supporting plate 113, third moving slots 115 are formed in the left side and the right side of the inner wall of the counterweight fixing housing 111, two anti-slip blocks 116 are fixedly mounted on the upper portion of the second moving slot 117, a gap is formed between the two anti-slip blocks 116, one end of the stay wire 14 close to the counterweight device 11 passes through the gap to be fixedly connected with the counterweight component 114, the front end of the counterweight fixing housing 111 is fixedly connected with the rear end of the supporting frame 2, the counterweight device 11 is a carrier for changing the counterweight weight, and the counterweight component 114 slides therein.

As shown in fig. 4, the counterweight component 114 includes a movable housing 1141, two symmetrical movable plates 1142 are fixed on the left and right sides of the movable housing 1141, a plurality of fixed blocks 1148 uniformly distributed from top to bottom are arranged on the left and right sides of the inner wall of the movable housing 1141, a counterweight 1149 is arranged between any two upper and lower adjacent fixed blocks 1148, the two movable plates 1142 are slidably mounted in the two third movable grooves 115, the lower end of the movable housing 1141 is in close contact with the upper end of the supporting plate 113, a rotating rod 1146 is arranged on the rear side of the lower end of the movable housing 1141, a half groove 1145 is formed in the upper end of the movable housing 1141, the counterweight 1149 is detachable in the movable housing 1141, the counterweight 1149 is conveniently mounted and detached in the movable housing 1141, and the weight of the counterweight component 114 is conveniently adjusted.

As shown in fig. 4, the lower end of the movable housing 1141 is rotatably connected with the rotating plate 1143 through the rotating rod 1146, the rotating plate 1143 has a movable hole 1147 at one end away from the rotating rod 1146, the movable hole 1147 is rotatably connected with the L-shaped block 1144, the thickness of the L-shaped block 1144 is smaller than that of the movable hole 1147, a protrusion is arranged at one side of the L-shaped block 1144 away from the movable hole 1147, the protrusion of the L-shaped block 1144 is matched with the half groove 1145, the rotating plate 1143 can limit the movement of the weight block 1149, the protrusion of the L-shaped block 1144 is matched with the half groove 1145 to limit the rotating plate 1143, so as not to rotate the weight block 1149, and prevent the weight block 1149 from sliding down when in use.

It should be noted that the utility model relates to a stretching device with protection function, when in use, the fixed base 1 is moved up, the user sits on the buffer plate 3, the body leans against the limiting rod 12, the user squats down, the buffer plate 3 is pressed down by two first springs 4 and two first telescopic rods 5, the stretching effect of the user is better, the limiting rod 12 can protect the gravity center of the user, and the gravity center can not move backwards; when the counterweight device is used, a user grasps the two tension rings 13 with two hands, the pull wire 14 fixed on the tension rings 13 is sequentially wound on the third pulley 10, the first pulley 8 and the second pulley 7 and is connected with the counterweight part 114, the counterweight part 114 slides in the second moving groove 117 in the counterweight fixing shell 111, the counterweight 1149 in the counterweight part 114 can be detached and used for changing the weight of the counterweight part 114, and the lower end of the counterweight part 114 is provided with the support plate 113 and the two second springs 112, so that the force generated by the downward sliding of the counterweight part 114 can be buffered.

The foregoing shows and describes the basic principles and principal features of the invention, together with the advantages thereof. It will be understood by those skilled in the art that the present invention is not limited to the above embodiments, and that the foregoing embodiments and descriptions are provided only to illustrate the principles of the present invention without departing from the spirit and scope of the present invention. The scope of the invention is defined by the appended claims and equivalents thereof.

Claims

1. The utility model provides a stretching device with safeguard function, includes unable adjustment base (1), restriction pole (12), acts as go-between (14) and pulling force ring (13), its characterized in that: the upper end of the fixed base (1) is fixed with two support frames (2) which are symmetrical by the central line of the fixed base (1), the lower ends of the two support frames (2) are both provided with first moving grooves (55), the bottoms of the two first moving grooves (55) are both fixedly connected with first telescopic rods (5), the upper ends of the two first telescopic rods (5) are both provided with a buffer plate (3), a first spring (4) is arranged between the lower end of the buffer plate (3) and the bottoms of the two first moving grooves (55), the upper ends of the two support frames (2) are both provided with arc-shaped grooves (81), first pulleys (8) are arranged inside the two arc-shaped grooves (81), first u-shaped blocks (6) are fixedly arranged on the upper parts of the front ends of the two support frames (2), one ends of the two first u-shaped blocks (6) far away from the support frames (2) are both rotatably connected with second pulleys (7), second u-shaped blocks (9) are both fixedly arranged on the upper parts of the rear ends of the two support frames (2), one ends of the two second u-shaped blocks (9) far away from the support frames (2) are both rotatably connected with a third pulley (10), and a second pulley (9) is arranged between the two support frames (11) and a second support frames (11) and a lower end limiting rod (12) is arranged on the lower side of the two support frames (11), and limiting rod (12) is located buffer board (3) rear side top, act as go-between (14) one end fixed connection counter weight ware (11), act as go-between (14) other end twines third pulley (10), first pulley (8) and second pulley (7) in proper order and is connected with tension ring (13).

2. The stretching device with the safeguard function as claimed in claim 1, wherein: counterweight (11) are including fixed shell (111) of counter weight, second shifting chute (117) have been seted up in fixed shell (111) of counter weight, second shifting chute (117) bottom is equipped with two second springs (112), two second spring (112) upper end is equipped with backup pad (113) jointly, backup pad (113) upper end is equipped with counter weight part (114), third shifting chute (115) have all been seted up to the fixed shell (111) inner wall left and right sides of counter weight, second shifting chute (117) upper portion fixed mounting has two non slipping spur (116), and leaves the gap between two non slipping spur (116), the one end of acting as go-between (14) being close to counterweight (11) passes gap and counter weight part (114) fixed connection, fixed shell (111) front end of counter weight and support frame (2) rear end fixed connection.

3. The stretching device with a shielding function as set forth in claim 2, wherein: the counterweight component (114) comprises a movable shell (1141), two symmetrical movable plates (1142) are fixed on the left side and the right side of the movable shell (1141), a plurality of fixed blocks (1148) are uniformly distributed from top to bottom on the left side and the right side of the inner wall of the movable shell (1141), a counterweight block (1149) is arranged between any two adjacent fixed blocks (1148), the two movable plates (1142) are slidably mounted in two third movable grooves (115), and the lower end of the movable shell (1141) is in close contact with the upper end of the support plate (113).

4. A stretching device with a shielding function as set forth in claim 3, wherein: remove shell (1141) lower extreme rear side and be equipped with dwang (1146), half recess (1145) have been seted up to remove shell (1141) upper end, remove shell (1141) lower extreme passes through dwang (1146) and rotates and connect rotor plate (1143), rotor plate (1143) keep away from the one end of dwang (1146) and seted up activity hole (1147), activity hole (1147) rotate and connect L shape piece (1144), L shape piece (1144) thickness is less than activity hole (1147), there is the arch one side that activity hole (1147) was kept away from in L shape piece (1144), the arch and half recess (1145) looks adaptation of L shape piece (1144).

5. The stretching device with the safeguard function as claimed in claim 1, wherein: the upper end of the fixed base (1) is provided with a plurality of anti-skid protrusions (1112).

6. A stretching device with a shielding function as set forth in claim 3, wherein: the counterweight (1149) is detachable within the mobile housing (1141).