Torsion spring mounting device

Abstract

The utility model relates to the technical field of torsion springs, in particular to a torsion spring installation device which comprises an installation column (1). A rotary limiting structure and a spring mounting structure are arranged on the mounting column (1); a torsion spring (2) is arranged on the spring mounting structure; the torsion spring (2) is connected with the rotary limiting structure; the spring mounting structure can provide a mounting position for the torsion spring; the rotary limiting structure is matched with the spring mounting structure, so that the torsion spring can be compressed and limited, the mounting operation is greatly simplified, and the product quality risk caused by the change of personnel operation is avoided; and the torsion spring can be prevented from popping up during installation, and safety accidents are effectively avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of torsion springs, and in particular to a torsion spring installation device. Background Art

[0002] The large torsion springs used in production are originally open and relaxed, and the installation posture is: contracted and tensed; the contracted and tensed state of the spring is not standard, the posture is not unique, and the installation is difficult; and the large torsion spring is not completely limited, which can easily cause it to fly during installation operations, which can easily lead to safety accidents.

[0003] After searching, the applicant found that the Chinese patent document with publication number 109698085A disclosed a plum blossom contact spring installation tool on April 30, 2019, which includes a hollow conical guide body and a handle with an annular hollow structure; at least four installation guide grooves are provided on the side of the guide body, and a guide block matching the installation guide groove is provided on the handle. The guide block moves along the installation guide groove, thereby driving the handle to move along the installation guide groove on the guide body; this device also cannot solve the above technical problems.

[0004] Therefore, in order to improve or solve at least one of the above problems, it is necessary to optimize the existing torsion spring installation device. Utility Model Content

[0005] The purpose of the utility model is to provide a torsion spring installation device which is convenient for installation of a torsion spring and safe to use.

[0006] In order to solve the above technical problems, the technical solution adopted by the present invention is: a torsion spring installation device, including a mounting column; the mounting column is provided with a rotation limiting structure and a spring mounting structure; the spring mounting structure is provided with a torsion spring; the torsion spring is connected to the rotation limiting structure.

[0007] The rotation limiting structure includes a fixed sleeve and a rotating sleeve; the fixed sleeve and the rotating sleeve are both sleeved on the mounting column; a first push rod is provided on the fixed sleeve; a second push rod is provided on the rotating sleeve; the first push rod and the second push rod are both in contact with the torsion spring.

[0008] The fixing sleeve is provided with a fixing bolt; the mounting column is provided with a mounting hole; the fixing bolt is inserted into the mounting hole.

[0009] The rotating sleeve is provided with an indexing pin; the mounting column is provided with a pin hole; and the indexing pin is connected to the pin hole.

[0010] The indexing pin includes a mounting seat and a pin head; a spring is provided in the mounting seat; the pin head is installed in the mounting seat and pressed tightly against the spring.

[0011] A limiting groove is provided on the outer wall of the mounting column; the limiting groove is communicated with the pin hole.

[0012] The fixed sleeve is provided with a first handle; the first push rod is connected to the bottom of the first handle; the rotating sleeve is provided with a second handle; the second push rod is connected to the bottom of the second handle;

[0013] A first slot is provided at the end of the first push rod; a second slot is provided at the end of the second push rod; the torsion spring includes an upper hanging rod and a lower hanging rod; the upper hanging rod is installed in the first slot; the lower hanging rod is installed in the second slot.

[0014] The spring mounting structure includes a positioning rod; a connecting tube is provided at the bottom of the mounting column; one end of the positioning rod is sleeved with the torsion spring; the other end of the positioning rod is provided with a limiting rod; the limiting rod is installed in the connecting tube.

[0015] A third handle is provided at one end of the mounting column away from the connecting pipe; the end of the third handle is connected to a mounting plate; a bolt is provided on the mounting plate; a bolt hole is provided on the top of the mounting column, and the bolt is installed in the bolt hole.

[0016] Both ends of the fixing bolt are provided with a clamping spring.

[0017] The beneficial effects of this application are:

[0018] 1. The rotation limiting structure of the present application includes a fixed sleeve and a rotating sleeve. The fixed sleeve is fixedly connected to the mounting post, and the rotating sleeve can rotate on the mounting post. When installing the torsion spring, the torsion spring is first installed on the positioning rod, and then the positioning rod is installed on the connecting tube of the mounting post. At the same time, the upper hanging rod and the lower hanging rod of the torsion spring are respectively pressed against the first slot of the first push rod and the second slot of the second push rod; rotating the second handle of the rotating sleeve can drive the second push rod to compress the torsion spring; when it is rotated to a certain angle, the pin head of the indexing pin pops out and is clamped in the pin hole on the mounting post to achieve limiting. At this time, the compressed torsion spring can be installed on the equipment.

[0019] This device uses a rotating sleeve and a fixed sleeve to simplify the installation operation of the torsion spring, effectively improve work efficiency, and eliminate product quality risks caused by changes in personnel operations.

[0020] 2. The upper hanging rod and the lower hanging rod of the torsion spring of the present application are installed in the first slot of the first push rod and the second slot of the second push rod to achieve position limiting; at the same time, the pin head of the indexing pin cooperates with the pin hole on the mounting column to achieve position limiting when the torsion spring is fully compressed; it effectively ensures that the torsion spring will not pop out during installation, and can effectively avoid the occurrence of safety accidents. BRIEF DESCRIPTION OF THE DRAWINGS

[0021] The specific embodiments of the present invention are further described in detail below with reference to the accompanying drawings, wherein:

[0022] Figure 1 This is a schematic structural diagram of the torsion spring installation device.

[0023] Figure 2 This is a cross-sectional view of the torsion spring installation device.

[0024] Figure 3 This is a schematic diagram of the installation status of the indexing pin and fixing bolt of the torsion spring installation device.

[0025] Figure 4 This is a schematic structural diagram of the positioning rod of the torsion spring installation device.

[0026] The marks in the above figure are:

[0027] The markings in the figure are: 1, mounting column, 101, limiting groove, 102, connecting pipe,

[0028] 2. Torsion spring, 201. Upper hanging rod, 202. Lower hanging rod,

[0029] 3. Fixed sleeve, 301. First push rod, 302. First handle, 303. First slot,

[0030] 4. Rotating sleeve, 401. Second push rod, 402. Second handle, 403. Second slot,

[0031] 5. Fixing bolt, 501. Mounting hole, 502. Circlip,

[0032] 6. Indexing pin, 601. Pin hole, 602. Mounting seat, 603. Pin head, 604. Mounting sleeve,

[0033] 7. Positioning rod, 701. Limiting rod, 702. Installation section, 703. Guide section,

[0034] 8. Third handle, 801. Mounting plate, 802. Bolt. DETAILED DESCRIPTION

[0035] The following is a further detailed description of the specific implementation methods of the present invention by describing the embodiments with reference to the accompanying drawings, with the aim of helping those skilled in the art to have a more complete, accurate and in-depth understanding of the inventive concept and technical solution of the present invention and to facilitate its implementation.

[0036] Figure 1 The torsion spring mounting device shown includes a mounting column 1; a rotation limiting structure and a spring mounting structure are provided on the mounting column 1; a torsion spring 2 is provided on the spring mounting structure; and the torsion spring 2 is connected to the rotation limiting structure.

[0037] The spring mounting structure can provide an installation position for the torsion spring 2; the rotation limiting structure and the spring mounting structure can cooperate to compress and limit the torsion spring 2, which greatly simplifies the installation operation and eliminates the product quality risks caused by changes in personnel operations; and can prevent the torsion spring 2 from popping out during installation, effectively avoiding the occurrence of safety accidents.

[0038] The rotation limiting structure includes a fixed sleeve 3 and a rotating sleeve 4; the fixed sleeve 3 and the rotating sleeve 4 are both sleeved on the mounting column 1; a first push rod 301 is provided on the fixed sleeve 3; a second push rod 401 is provided on the rotating sleeve 4; the first push rod 301 and the second push rod 401 are both in contact with the torsion spring 2.

[0039] The mounting column 1 is a cylindrical structure; the fixed sleeve 3 and the rotating sleeve 4 are both hollow circular tube structures; the fixed sleeve 3 is arranged at one end of the mounting column 1 close to the positioning rod 7; the fixed sleeve 3 is fixedly sleeved on the mounting column 1, and the rotating sleeve 4 can rotate on the mounting column 1. The rotation of the rotating sleeve 4 can drive the second push rod 401 to rotate around the mounting column 1, and the first push rod 301 cooperates with the second push rod 401 to realize the compression operation of the torsion spring 2.

[0040] A fixing bolt 5 is provided on the fixing sleeve 3 ; a mounting hole 501 is provided on the mounting column 1 ; and the fixing bolt 5 is inserted into the mounting hole 501 .

[0041] The mounting hole 501 is a through hole; a cavity is provided inside the mounting column 1; a fixing bolt mounting hole is provided on the fixing sleeve 3; the fixing bolt 5 passes through the fixing bolt mounting hole and the mounting hole 501 in sequence, thereby fixing the fixing sleeve 3 to the mounting column 1; the fixing bolt 5 can facilitate the installation and removal operations of the fixing sleeve 3 on the mounting column 1.

[0042] An indexing pin 6 is provided on the rotating sleeve 4 ; a pin hole 601 is provided on the mounting column 1 ; and the indexing pin 6 is connected to the pin hole 601 .

[0043] The indexing pin 6 is fixedly connected to the rotating sleeve 4 and can rotate with the rotating sleeve 4. When the rotating sleeve 4 rotates to a certain angle, the pin head 603 of the indexing pin 6 pops out and engages in the pin hole 601, thereby fixing the rotating sleeve 4 and the mounting column 1, and enabling the torsion spring 2 to remain in a compressed state for installation.

[0044] The indexing pin 6 includes a mounting seat 602 and a pin head 603 ; a spring is provided in the mounting seat 602 ; the pin head 603 is installed in the mounting seat 602 and pressed tightly against the spring.

[0045] A through hole is provided on the outer wall of the rotating sleeve 4, and the mounting seat 602 is installed in the through hole; the mounting seat 602 includes a mounting sleeve 604, and the spring and the pin head 603 are both installed in the mounting sleeve 604. The pin head 603 extends from the mounting sleeve 604 and presses the spring.

[0046] A limiting groove 101 is provided on the outer wall of the mounting column 1 ; the limiting groove 101 is communicated with the pin hole 601 .

[0047] The limiting groove 101 is set along the outer wall of the mounting column 1; when the rotating sleeve 4 has not been rotated into place, the pin head 603 of the indexing pin 6 is pressed against the limiting groove 101, and the spring is in a compressed state; as the rotating sleeve 4 rotates, the pin head 603 slides in the limiting groove 101; when the rotating sleeve 4 is rotated into place, the pin head 603 is ejected from the mounting sleeve 604 by the spring, and is thus engaged in the pin hole 601; when the torsion spring 2 is installed, the rotating sleeve 4 is rotated forcefully to rotate the pin head 603 into the limiting groove 101, and continues to rotate with the rotating sleeve 4.

[0048] The fixed sleeve 3 is provided with a first handle 302; the first push rod 301 is connected to the bottom of the first handle 302; the rotating sleeve 4 is provided with a second handle 402; the second push rod 401 is connected to the bottom of the second handle 402;

[0049] A first slot 303 is provided at the end of the first push rod 301; a second slot 403 is provided at the end of the second push rod 401; the torsion spring 2 includes an upper hanging rod 201 and a lower hanging rod 202; the upper hanging rod 201 is installed in the first slot 303; the lower hanging rod 202 is installed in the second slot 403.

[0050] The first handle 302 is fixedly connected to the side wall of the fixed sleeve 3; the first push rod 301 is fixedly connected to the bottom surface of the first handle 302; the second handle 402 is fixedly connected to the side wall of the rotating sleeve 4; the second push rod 401 is fixedly connected to the bottom surface of the second handle 402; the upper hanging rod 201 and the lower hanging rod 202 are respectively installed in the first slot 303 and the second slot 403, which can realize the limiting of the torsion spring 2 and effectively prevent the torsion spring 2 from popping out during installation and causing a safety accident.

[0051] The spring mounting structure includes a positioning rod 7; a connecting tube 102 is provided at the bottom of the mounting column 1; one end of the positioning rod 7 is sleeved with the torsion spring 2; the other end of the positioning rod 7 is provided with a limiting rod 701; the limiting rod 701 is installed in the connecting tube 102.

[0052] The positioning rod 7 includes a mounting section 702 and a guide section 703; the diameter of the mounting section 702 is larger than that of the guide section 703; the torsion spring 2 is sleeved on the mounting section 702; the connecting tube 102 is a hollow circular tube structure and is an integral structure with the mounting column 1; the limiting rod 701 is sleeved in the connecting tube 102; the positioning rod 7 provides an installation position for the torsion spring 2 and can facilitate the installation operation of the torsion spring 2 on the mounting column 1.

[0053] A third handle 8 is provided at one end of the mounting column 1 away from the connecting pipe 102; the end of the third handle 8 is connected to a mounting plate 801; a bolt 802 is provided on the mounting plate 801; a bolt hole is provided at the top of the mounting column 1, and the bolt 802 is installed in the bolt hole.

[0054] The bolt 802 cooperates with the bolt hole to fix the mounting plate 801 on the top of the mounting column 1, thereby fixing the third handle 8 on the mounting column 1; the third handle 8 can be conveniently held by the staff to perform the installation operation of the torsion spring 2.

[0055] Both ends of the fixing bolt 5 are provided with a clamping spring 502 .

[0056] The retaining spring 502 can fix the fixing bolt 5 on the fixing sleeve 3, effectively preventing the fixing bolt 5 from being separated from the fixing sleeve 3 during operation, and ensuring that the device can function normally.

[0057] The specific workflow of this utility model is as follows:

[0058] Install the torsion spring 2 on the positioning rod 7; insert the limiting rod 701 of the positioning rod 7 into the connecting tube 102; install the upper hanging rod 201 and the lower hanging rod 202 of the torsion spring 2 in the first slot 303 and the second slot 403 respectively; rotate the second handle 402, and when the rotating sleeve 4 rotates a certain angle, the pin head 603 of the indexing pin 6 pops out and is engaged in the pin hole 601, and the compressed torsion spring 2 can be installed in the equipment.

[0059] The above description of the present invention is provided as an example, in conjunction with the accompanying drawings. Obviously, the specific implementation of the present invention is not limited to the above-described method. Any non-substantial improvements made using the method concepts and technical solutions of the present invention, or any application of the above-described concepts and technical solutions of the present invention to other situations without modification, are all within the scope of protection of the present invention.

Claims

1. A torsion spring mounting device, characterized in that: It comprises a mounting post (1); a rotation limiting structure and a spring mounting structure are provided on the mounting post (1); a torsion spring (2) is provided on the spring mounting structure; the torsion spring (2) is connected to the rotation limiting structure; The rotation limiting structure comprises a fixed sleeve (3) and a rotating sleeve (4); the fixed sleeve (3) and the rotating sleeve (4) are both sleeved on the mounting column (1); a first push rod (301) is provided on the fixed sleeve (3); a second push rod (401) is provided on the rotating sleeve (4); the first push rod (301) and the second push rod (401) are both in contact with the torsion spring (2).

2. A torsion spring mounting device according to claim 1, characterized in that: The fixing sleeve (3) is provided with a fixing bolt (5); the mounting column (1) is provided with a mounting hole (501); and the fixing bolt (5) is inserted into the mounting hole (501).

3. A torsion spring mounting device according to claim 2, characterized in that: The rotating sleeve (4) is provided with an indexing pin (6); the mounting column (1) is provided with a pin hole (601); the indexing pin (6) is connected to the pin hole (601).

4. A torsion spring mounting device according to claim 3, characterized in that: The indexing pin (6) comprises a mounting seat (602) and a pin head (603); a spring is provided in the mounting seat (602); the pin head (603) is mounted in the mounting seat (602) and is tightly pressed against the spring.

5. A torsion spring mounting device according to claim 4, characterized in that: A limiting groove (101) is provided on the outer wall of the mounting column (1); the limiting groove (101) is communicated with the pin hole (601).

6. A torsion spring installation device according to any one of claims 2 to 5, characterized in that: The fixed sleeve (3) is provided with a first handle (302); the first push rod (301) is connected to the bottom of the first handle (302); the rotating sleeve (4) is provided with a second handle (402); the second push rod (401) is connected to the bottom of the second handle (402); The end of the first push rod (301) is provided with a first card slot (303); the end of the second push rod (401) is provided with a second card slot (403); the torsion spring (2) comprises an upper hanging rod (201) and a lower hanging rod (202); the upper hanging rod (201) is installed in the first card slot (303); and the lower hanging rod (202) is installed in the second card slot (403).

7. A torsion spring mounting device according to claim 6, characterized in that: The spring mounting structure comprises a positioning rod (7); a connecting tube (102) is provided at the bottom of the mounting column (1); one end of the positioning rod (7) is sleeved with the torsion spring (2); the other end of the positioning rod (7) is provided with a limiting rod (701); and the limiting rod (701) is installed in the connecting tube (102).

8. A torsion spring mounting device according to claim 7, characterized in that: A third handle (8) is provided at one end of the mounting column (1) away from the connecting pipe (102); a mounting plate (801) is connected to the end of the third handle (8); a bolt (802) is provided on the mounting plate (801); a bolt hole is provided at the top of the mounting column (1), and the bolt (802) is installed in the bolt hole.

9. A torsion spring installation device according to any one of claims 7-8, characterized in that: Both ends of the fixing bolt (5) are provided with a retaining spring (502).

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