CN211374013U

CN211374013U - Spring compression device

Info

Publication number: CN211374013U
Application number: CN201921953961.9U
Authority: CN
Inventors: 沈恒迪
Original assignee: Suzhou Liwanmei Precision Electronics Co ltd
Current assignee: Suzhou Liwanmei Precision Electronics Co ltd
Priority date: 2019-11-13
Filing date: 2019-11-13
Publication date: 2020-08-28
Anticipated expiration: 2029-11-13

Abstract

The utility model relates to a spring compression detects technical field, and discloses a spring compression device, including the groove box, the groove box both sides are equipped with left side wall and right side wall respectively, left side wall is articulated with the groove box, right side wall and groove box fixed connection, the inboard fixedly connected with locating piece of left side wall, the inside threaded rod that is equipped with of groove box, the threaded rod runs through locating piece and left side wall in proper order and extends to the left side wall outside, the threaded rod is located groove box outside one end fixedly connected with worm wheel, the fixed block of two symmetric distributions of left side wall outside fixedly connected with. This spring compression device rotates the handle and drives the worm and rotate through with the spring housing on the threaded rod, and then drives worm wheel and threaded rod and rotate, finally can make the internal thread pipe remove, utilizes push pedal compression spring, and whole volume is less, and portable is applicable to the compression detection of small-size spring, through the transmission mode of worm gear, and simple structure is laborsaving and the precision is high.

Description

Spring compression device

Technical Field

The utility model relates to a spring compression detects technical field, specifically is a spring compression device.

Background

The compression spring is a spiral spring bearing pressure, the cross section of the material used by the compression spring is mostly circular, and the compression spring is also rolled by rectangular steel ropes and stranded steel ropes, the spring is generally equidistant, and the shape of the compression spring is as follows: the compression spring detection device is characterized by comprising a compression spring, a cylinder, a cone, a middle convex shape, a middle concave shape, a small amount of noncircular shapes and the like, wherein a certain gap is reserved between the rings of the compression spring, the compression spring contracts and deforms when being subjected to external load, deformation energy is stored, the detection on the compression spring is an important step for ensuring the quality of the compression spring, and the compression detection on the compression spring is a common detection mode.

The existing compression spring compression detection machine is large in size and weight, complex to operate and not portable enough, and when a worker goes out to evaluate and measure a smaller spring, professional large-scale compression detection equipment is not suitable any more.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a spring compression device to solve the problem that proposes among the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme:

a spring compression device comprises a groove box, wherein a left side wall and a right side wall are respectively arranged on two sides of the groove box, the left side wall is hinged with the groove box, the right side wall is fixedly connected with the groove box, a positioning block is fixedly connected with the inner side of the left side wall, a threaded rod is arranged in the groove box, the threaded rod sequentially penetrates through the positioning block and the left side wall and extends to the outer side of the left side wall, one end of the threaded rod, which is positioned on the outer side of the groove box, is fixedly connected with a worm wheel, the outer side of the left side wall is fixedly connected with two symmetrically distributed fixed blocks, a worm is arranged between the fixed blocks, one end of the worm is rotatably connected with one fixed block through a bearing, the other end of the worm penetrates through the other fixed block and is rotatably connected with the fixed block through a bearing, one end, which is positioned, the utility model discloses a cell box, including the cell box, internal thread pipe and internal thread pipe, internal thread pipe one end runs through the right flank and extends to inside the groove box, the internal thread pipe is located the inside one end fixedly connected with push pedal of groove box, the internal thread pipe is located groove box outside one end fixedly connected with limiting plate, the push pedal surface is equipped with the screw hole, the screw hole extends.

As a further aspect of the present invention: the threaded rod is matched with the threaded hole.

As a further aspect of the present invention: the improved groove box is characterized in that a groove cover is arranged on one side of the groove box and is hinged to the groove box, a limiting buckle is fixedly connected to one side of the groove cover, and a cylinder is fixedly connected to one side, far away from the groove cover, of the groove box.

As a further aspect of the present invention: the barrel is provided with a lantern ring, the lantern ring is movably sleeved with the barrel, a limiting notch is formed in the surface, close to one end of the groove box, of the barrel, and the limiting notch is matched with the limiting buckle.

As a further aspect of the present invention: the left side wall and the right side wall surface are provided with limiting holes, the two sides of the groove cover are fixedly connected with limiting blocks, and the limiting blocks are matched with the limiting holes.

As a further aspect of the present invention: and a transparent observation window is fixedly arranged on the groove cover.

As a further aspect of the present invention: the surface of the internal thread pipe is provided with scale marks.

As a further aspect of the present invention: the worm wheel is matched with the worm.

Compared with the prior art, the beneficial effects of the utility model are that: through being equipped with the groove box, the threaded rod, the locating piece, the worm wheel, the worm, a handle, the push pedal, internal thread pipe etc, with the spring housing on the threaded rod, it can drive the worm rotation to rotate the handle, and then drive worm wheel and threaded rod and rotate, finally can make the internal thread pipe remove in to the groove box, utilize push pedal compression spring, whole volume is less, portable, the compression that is applicable to small-size spring detects, transmission mode through the worm wheel and worm, simple structure is laborsaving and the precision is high, through being equipped with the scale mark, but the numerical value difference accurate measurement compression volume around the compression, improve detection efficiency, through being equipped with spacing knot, spacing notch, spacing hole, stopper etc., cover the capping and fix through the lantern ring, avoid unexpected wounded after the spring compression, be favorable to observing the spring compression process through being equipped with transparent observation window, the staff of being.

Drawings

Fig. 1 is a schematic view of the overall structure of a spring compression device.

Fig. 2 is a side view of a spring compression device.

Fig. 3 is a schematic view of the structure of an internally threaded tube in a spring compression device.

In the figure: 1-groove box, 2-left side wall, 3-right side wall, 4-positioning block, 5-threaded rod, 6-worm wheel, 7-fixing block, 8-worm, 9-handle, 10-internal threaded pipe, 11-slide bar, 12-push plate, 13-limiting plate, 14-groove cover, 15-limiting buckle, 16-cylinder, 17-lantern ring, 18-limiting notch, 19-limiting hole, 20-limiting block and 21-transparent observation window.

Detailed Description

The technical solution of the present patent will be described in further detail with reference to the following embodiments.

Referring to fig. 1-3, a spring compression device comprises a groove box 1, a left side wall 2 and a right side wall 3 are respectively arranged at two sides of the groove box 1, the left side wall 2 is hinged with the groove box 1, in practical application, the bottom edge of the left side wall 2 is set to be a horizontal edge, the horizontal edge is hinged with a horizontal rabbet at the left side of the groove box 1, so as to facilitate rotating the left side wall 2, thereby driving a threaded rod 5 to rotate, which is beneficial for sleeving a spring, the right side wall 3 is fixedly connected with the groove box 1, a positioning block 4 is fixedly connected at the inner side of the left side wall 2, in practical application, the positioning block 4 is shaped like a round cake, which is beneficial for limiting one end of the spring, and avoiding the influence of deflection on measurement accuracy in the spring compression process, the threaded rod 5 is arranged inside the groove box 1, the threaded rod 5 sequentially penetrates through the positioning block 4 and the left, two fixed blocks 7 which are symmetrically distributed are fixedly connected to the outer side of the left side wall 2, a worm 8 is arranged between the fixed blocks 7, the worm wheel 6 is matched with the worm 8, the worm 6 and the threaded rod 5 are driven to rotate by the rotation of the worm, the structure is simple, labor is saved, the precision is high by the transmission mode of the worm wheel 6 and the worm 8, one end of the worm 8 is rotatably connected with one fixed block 7 through a bearing, the other end of the worm 8 penetrates through the other fixed block 7 and is rotatably connected with the fixed block 7 through a bearing, one end of the inner threaded pipe 10 which is positioned at the outer side of the fixed block 7 is fixedly connected with a handle 9 and is beneficial to rotating the handle 9 to drive the worm 8 to rotate and is convenient to operate, the outer side of the right side wall 3 is provided with an inner threaded pipe 10, the surface of the inner threaded pipe 10 is provided with two sliding strips 11 which are, the inner threaded pipe 10 is fixedly connected with a limiting plate 13 at one end outside the groove box 1, the surface of the push plate 12 is provided with a threaded hole, the threaded hole extends into the inner threaded pipe 10, the threaded rod 5 is matched with the threaded hole, the threaded rod 5 is favorable for rotating to drive the inner threaded pipe 10 to move, and further to compress the spring, one side of the groove box 1 is provided with a groove cover 14, the groove cover 14 is hinged with the groove box 1, one side of the groove cover 14 is fixedly connected with a limiting buckle 15, one side of the groove box 1 far away from the groove cover 14 is fixedly connected with a cylinder 16, the cylinder 16 is provided with a lantern ring 17, the lantern ring 17 is movably sleeved with the cylinder 16, the surface of one end of the cylinder 16 close to the groove box 1 is provided with a limiting notch 18, the limiting notch 18 is matched with the limiting buckle 15, in practical application, the groove cover 14 is turned over, the limiting buckle, left side wall 2 and right side wall 3 surface all are equipped with spacing hole 19, the equal fixedly connected with stopper 20 in capping 14 both sides, and stopper 20 matches the position that is favorable to positioning groove lid 14 and groove box 1 with spacing hole 19, avoids the skew, and fixed transparent observation window 21 that is equipped with on capping 14 is convenient for observe the spring compression process, is favorable to the staff to judge the spring state.

The utility model discloses a theory of operation is: firstly, the left side wall 2 is rotated, the left side wall 2 is hinged with the groove box 1, the left side wall 2 can be rotated for a certain angle to enable the threaded rod 5 to upwarp, then a spring to be detected in a compression mode is sleeved on the threaded rod 5, one end of the spring is matched and aligned with the positioning block 4, then the left side wall 2 is rotated to enable the left side wall to return to the initial position, then the groove cover 14 is covered, the limit buckle 15 is aligned with the limit notch 18, meanwhile, the two limit blocks 20 are respectively aligned with the two limit holes 19, then the lantern ring 17 is moved and movably sleeved with the sleeve through the lantern ring 17, the fixing of the limit buckle 15 can be realized by moving the lantern ring 17 to the limit buckle 15, then the groove cover 14 is fixed, then the internal threaded pipe 10 is pushed, the threaded hole on the push plate 12 at one end of the internal threaded pipe 10 is aligned with the threaded rod 5, then the handle 9 is rotated and is fixedly connected with, thereby drive worm wheel 6 and rotate, and then drive threaded rod 5 and rotate, match with the screw hole through threaded rod 5, and internal thread pipe 10 surface is equipped with draw runner 11, can drive internal thread 5 inward movement when threaded rod 5 rotates, write down the scale on internal thread pipe 10 surface when push pedal 12 contact spring, then continue to rotate handle 9, after push pedal 12 compresses the spring to assigned position, write down the scale on internal thread pipe 10 once more, through the observation of transparent observation window 21 to the spring during the recombination operation, can carry out analysis and judgment to the spring.

Although the preferred embodiments of the present patent have been described in detail, the present patent is not limited to the above embodiments, and various changes can be made without departing from the spirit of the present patent within the knowledge of those skilled in the art.

Claims

1. The spring compression device comprises a groove box (1) and is characterized in that a left side wall (2) and a right side wall (3) are arranged on two sides of the groove box (1) respectively, the left side wall (2) is hinged to the groove box (1), the right side wall (3) is fixedly connected with the groove box (1), a positioning block (4) is fixedly connected with the inner side of the left side wall (2), a threaded rod (5) is arranged inside the groove box (1), the threaded rod (5) sequentially penetrates through the positioning block (4) and the left side wall (2) and extends to the outer side of the left side wall (2), the threaded rod (5) is located at one end of the outer side of the groove box (1) and is fixedly connected with a worm wheel (6), two symmetrically distributed fixing blocks (7) are fixedly connected with the outer side of the left side wall (2), a worm (8) is arranged between the fixing blocks (7), one end of the worm (8) is rotatably connected with, the worm (8) other end runs through another fixed block (7) and rotates through the bearing with fixed block (7) and is connected, be located fixed block (7) outside one end fixedly connected with handle (9), right side wall (3) outside is equipped with internal thread pipe (10), internal thread pipe (10) fixed surface is provided with draw runner (11) of two symmetric distributions, internal thread pipe (10) one end runs through right side wall (3) and extends to inside groove box (1), internal thread pipe (10) are located the inside one end fixedly connected with push pedal (12) of groove box (1), internal thread pipe (10) are located groove box (1) outside one end fixedly connected with limiting plate (13), push pedal (12) surface is equipped with the screw hole, the screw hole extends to inside internal thread pipe (10).

2. Spring compression device according to claim 1, characterised in that the threaded rod (5) is matched to a threaded hole.

3. The spring compression device according to claim 1, characterized in that a groove cover (14) is arranged on one side of the groove box (1), the groove cover (14) is hinged with the groove box (1), a limit buckle (15) is fixedly connected on one side of the groove cover (14), and a cylinder (16) is fixedly connected on one side of the groove box (1) far away from the groove cover (14).

4. The spring compression device according to claim 3, characterized in that a sleeve ring (17) is arranged on the cylinder (16), the sleeve ring (17) is movably sleeved with the cylinder (16), a limiting notch (18) is arranged on the surface of one end, close to the groove box (1), of the cylinder (16), and the limiting notch (18) is matched with the limiting buckle (15).

5. The spring compression device according to claim 3, wherein the surfaces of the left side wall (2) and the right side wall (3) are respectively provided with a limiting hole (19), the two sides of the groove cover (14) are respectively fixedly connected with a limiting block (20), and the limiting blocks (20) are matched with the limiting holes (19).

6. A spring compression device as claimed in claim 3 in which a transparent viewing window (21) is secured to the slot cover (14).

7. A spring compression device as claimed in claim 1, characterised in that the internally threaded tube (10) is provided with graduations on its surface.

8. A spring compression device according to claim 1, wherein the worm wheel (6) is matched to the worm (8).